❓ A Western Australian parliamentary question on notice regarding the Millstream Water Reserve Water Supply (MWRWS), covering monitoring, aquifer levels, extraction licenses, and environmental impacts. The response provides data on bore locations, aquifer levels, extraction allocations, and management practices.
AnsweredQoN 3037Legislative Council
QuestionView source ↗
I refer to the Millstream Water Reserve Water Supply (MWRWS), and I ask:
(a) how many monitoring bores are contained in the MWRWS;
(b) what are the locations of the bores referred to at (a);
(c) what has been the Mean Aquifer Level (MAL) in the MWRWS for each recording interval, since 2000;
(d) what is the minimum MAL, below which the MWRWS should not fall:
(i) who sets this figure;
(ii) is this minimum MAL binding:
(A) if yes to (d)(ii), will the Minister please explain how so;
(iii) which body is responsible for monitoring the MAL;
(e) has the MAL at the MWRWS been revised at any point(s) since 2000:
(i) if yes to (e):
(A) when; and
(B) would the Minister please explain the manner in which the MAL was revised; and
(f) what are the implications of the MAL at the MWRWS falling below the minimum amount:
(i) for abstraction licence holders; and
(ii) the environment;
(g) which organisations are licensed to extract water from the MWRWS:
(i) what is the annual extraction maximum, as volume, allowed for each organisation referred to at (g);
(h) in the event that there is zero extraction from Harding Dam in any given year, then what is the maximum amount that The Water Corporation is permitted to extract from the MWRWS that year;
(i) what is the long-term reliable annual allocation for the MWRWS:
(i) who, or what entity, determines this allocation; and
(ii) is this allocation limit binding:
(A) if yes to (i)(ii), in what sense is it binding;
(j) in what circumstances can water extraction licence holders exceed the long-term reliable allocation for the MWRWS;
(k) what circumstances are insufficient or inappropriate to allow the licence holder to exceed the long-term reliable allocation for the MWRWS;
(l) what are the implications of the licence holder(s) exceeding the long-term reliable allocation for the MWRWS:
(i) for licence holders; and
(ii) groundwater-dependent vegetation;
(m) which Department is responsible for monitoring the health of groundwater-dependent vegetation within the MWRWS;
(n) will the Minister please table any studies conducted by Government, in relation to the health of groundwater-dependent vegetation, within the MWRWS, over the last ten years;
(o) in a general sense, will the Minister advise on the current health of groundwater-dependent vegetation within the MWRWS;
(p) in relation to Chindewarriner Pool:
(i) which organisation is responsible for monitoring salinity levels;
(ii) at what intervals is monitoring conducted; and
(iii) would the Minister please table all data relating to the salinity of the pool, for each monitoring instance, since 1 January 2000; and
(q) in relation to salinity in the MWRWS:
(i) which bores are monitored to assess salinity levels;
(ii) will the Minister please table, for each monitoring instance since 1 January 2000, the combined average Total Dissolved Solids (TDS); and
(iii) does the State have a maximum for combined average TDS and, if yes:
(A) what is this maximum?
(B) what are the implications of the combined average TDS exceeding this maximum?
(a) how many monitoring bores are contained in the MWRWS;
(b) what are the locations of the bores referred to at (a);
(c) what has been the Mean Aquifer Level (MAL) in the MWRWS for each recording interval, since 2000;
(d) what is the minimum MAL, below which the MWRWS should not fall:
(i) who sets this figure;
(ii) is this minimum MAL binding:
(A) if yes to (d)(ii), will the Minister please explain how so;
(iii) which body is responsible for monitoring the MAL;
(e) has the MAL at the MWRWS been revised at any point(s) since 2000:
(i) if yes to (e):
(A) when; and
(B) would the Minister please explain the manner in which the MAL was revised; and
(f) what are the implications of the MAL at the MWRWS falling below the minimum amount:
(i) for abstraction licence holders; and
(ii) the environment;
(g) which organisations are licensed to extract water from the MWRWS:
(i) what is the annual extraction maximum, as volume, allowed for each organisation referred to at (g);
(h) in the event that there is zero extraction from Harding Dam in any given year, then what is the maximum amount that The Water Corporation is permitted to extract from the MWRWS that year;
(i) what is the long-term reliable annual allocation for the MWRWS:
(i) who, or what entity, determines this allocation; and
(ii) is this allocation limit binding:
(A) if yes to (i)(ii), in what sense is it binding;
(j) in what circumstances can water extraction licence holders exceed the long-term reliable allocation for the MWRWS;
(k) what circumstances are insufficient or inappropriate to allow the licence holder to exceed the long-term reliable allocation for the MWRWS;
(l) what are the implications of the licence holder(s) exceeding the long-term reliable allocation for the MWRWS:
(i) for licence holders; and
(ii) groundwater-dependent vegetation;
(m) which Department is responsible for monitoring the health of groundwater-dependent vegetation within the MWRWS;
(n) will the Minister please table any studies conducted by Government, in relation to the health of groundwater-dependent vegetation, within the MWRWS, over the last ten years;
(o) in a general sense, will the Minister advise on the current health of groundwater-dependent vegetation within the MWRWS;
(p) in relation to Chindewarriner Pool:
(i) which organisation is responsible for monitoring salinity levels;
(ii) at what intervals is monitoring conducted; and
(iii) would the Minister please table all data relating to the salinity of the pool, for each monitoring instance, since 1 January 2000; and
(q) in relation to salinity in the MWRWS:
(i) which bores are monitored to assess salinity levels;
(ii) will the Minister please table, for each monitoring instance since 1 January 2000, the combined average Total Dissolved Solids (TDS); and
(iii) does the State have a maximum for combined average TDS and, if yes:
(A) what is this maximum?
(B) what are the implications of the combined average TDS exceeding this maximum?
AnswerView source ↗
Answered
15 October 2020
Responded by
Minister for Regional Development representing the Minister for Water
Response time
18 days
b) Locations of bores Monitoring Site Northing (m) Easting (m) Millstream Bore 7 7610230.8 508856.2 Millstream Bore 8 7609949 509142.3 Millstream Bore Crystal Pool 1 7612179 506956 Millstream Bore Crystal Pool 2 7611881 506829 Millstream Bore Crystal Pool 3 7611913 506779 Millstream Bore Deep Reach 1/84 7609466 509935 Millstream Bore Deep Reach 2/84 7609378 510217 Millstream Bore Deep Reach 3/84 7609239 510561 Millstream Bore Nwws 1C 7608929.3 506646.2 Millstream Bore Nwws 1E 7612267.9 506833.8 Millstream Bore Nwws 2B 7610331.1 495681 Millstream Bore Nwws 2C 7607391.3 496755 Millstream Bore Nwws 4A 7604680.8 490202.3 Millstream Bore Nwws 5B 7603546.3 512299 Millstream Bore Nwws 7A 7612993.8 502091.6 Millstream Bore Nwws 7C 7608243.9 501958.8 Millstream Bore Nwws 8C 7602297.9 488845.4 Millstream Bore NWWS P10 7615056 503638 Millstream Bore Nwws P2 7614547.3 496044.7 Millstream Bore Nwws P2/77 7614139 505704 Millstream Bore Nwws P3/77 7614469.6 506327 Millstream Bore Nwws P4/78 7613855.5 506313.6 Millstream Bore Nwws P7/77 7610701.6 511160.5 Millstream Bore Nwws P7/78 7610096.6 510819 Millstream Bore Nwws P8 7613446 496657.3 Millstream Bore Nwws P8/77 7610195.5 510931.6 Millstream Bore Nwws P9/77 7608650.2 511988.1 Millstream Bore 3/04 7613720.3 507106.2 Millstream Bore 4/04 7613191.4 507036 Millstream Bore 8/04 7607962.2 512480.8 Millstream Bore 12/04 7613941.6 507603.1 (c) [See tabled paper no.] (d) The MAL varies between 293.5 and 293.8 mAHD. The MAL criteria for the Water Year is dependent upon the river flow from the Gregory Gorge gauging station during the previous water year. i. The MAL criteria level is set by DWER. ii. The Water Corporation must comply with the terms and conditions of its water licence. If the MAL goes below criteria then response action is determined in consultation with DWER. iii. Water Corporation is responsible for monitoring MAL. (e) Yes. (i) (A) The Department of Water and Environmental Regulation revised Mean Aquifer Level criteria in the Pilbara Groundwater Allocation Plan (2013). (B) The revised criteria represent a revision to the previous Millstream water management plan (Welker 1998). The revised Mean Aquifer Level aims to maintain historical groundwater levels to maintain ecological function. It takes into account recent high groundwater levels and excludes low groundwater levels that were depleted due to groundwater abstraction. The new criteria are variable and are set each year depending on how much the system was recharged in the previous year. Criteria Welker 1998 criteria Current Department of Water and Environmental Regulation 2013 criteria Details Minimal allowable Mean Aquifer Level 293.10 metres Australian height datum 293.50 metres Australian height datum Mean Aquifer Level 293.1 metres Australian height datum was removed as this level was only reached historically during periods of high abstraction and required high rates of supplementation into the environment. Implemented in years following three or more years of below average recharge Dry Mean Aquifer Level 293.60 metres Australian height datum Implemented in years following below average recharge Average Mean Aquifer Level 293.60 metres Australian height datum 293.80 metres Australian height datum Implemented in years following above average recharge (f) (i) Only the Water Corporation has MAL criteria as part of the terms and conditions of its water licence. If the MAL goes below criteria then the response action by Water Corporation is determined in consultation with DWER . (ii) If MAL exceeds minimum MAL criteria there is a risk that riparian vegetation with direct access to the aquifer will experience a decline in condition. (g) and (g)(i) The following organisations are authorised to extract water from the Millstream aquifer up to their annual allocation: Organisation Annual allocation Water Corporation 15,000,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 300,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 220,000 kilolitres Shire of Ashburton 31,500 kilolitres Fortescue Metals Group Ltd 20,000 kilolitres Rio Tinto Exploration Pty Ltd 100 kilolitres API Management Pty Ltd 1,500 kilolitres (h) In the event that there is zero extraction from Harding dam in any given year, then the maximum amount that Water Corporation is permitted to extract from the Millstream Water Reserve Water Supply (Millstream aquifer) that year is 15,000,000 kilolitres. (i) The long term reliable (average) annual allocation for the Millstream Water Reserve Water Supply (groundwater) is estimated to be 6,000,000 kilolitres per year. (i) The Department of Water and Environmental Regulation determines this allocation. (ii) The current allocation limit of the Millstream aquifer is 15,682,500 kilolitres (which includes Millstream groundwater and Harding Dam surface water). This is the Department of Water and Environmental Regulation’s policy on the maximum volume of water able to be licenced for abstraction from the resource. (A) The allocation limit is defined in the Pilbara Groundwater Allocation Plan (2013). This plan is non statutory but guides the licensing process as managed under clauses 5C and 26D of the Rights in Water and Irrigation Act 1914. (j) The Water Corporation is the only organisation with a licensed allocation that exceeds the long term reliable allocation for the Millstream Water Reserve Water Supply – Millstream aquifer. The Corporation can extract water in excess of the long term reliable allocation providing management conditions are met, and Harding Dam cannot be used. (k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
Monitoring Site Northing (m) Easting (m) Millstream Bore 7 7610230.8 508856.2 Millstream Bore 8 7609949 509142.3 Millstream Bore Crystal Pool 1 7612179 506956 Millstream Bore Crystal Pool 2 7611881 506829 Millstream Bore Crystal Pool 3 7611913 506779 Millstream Bore Deep Reach 1/84 7609466 509935 Millstream Bore Deep Reach 2/84 7609378 510217 Millstream Bore Deep Reach 3/84 7609239 510561 Millstream Bore Nwws 1C 7608929.3 506646.2 Millstream Bore Nwws 1E 7612267.9 506833.8 Millstream Bore Nwws 2B 7610331.1 495681 Millstream Bore Nwws 2C 7607391.3 496755 Millstream Bore Nwws 4A 7604680.8 490202.3 Millstream Bore Nwws 5B 7603546.3 512299 Millstream Bore Nwws 7A 7612993.8 502091.6 Millstream Bore Nwws 7C 7608243.9 501958.8 Millstream Bore Nwws 8C 7602297.9 488845.4 Millstream Bore NWWS P10 7615056 503638 Millstream Bore Nwws P2 7614547.3 496044.7 Millstream Bore Nwws P2/77 7614139 505704 Millstream Bore Nwws P3/77 7614469.6 506327 Millstream Bore Nwws P4/78 7613855.5 506313.6 Millstream Bore Nwws P7/77 7610701.6 511160.5 Millstream Bore Nwws P7/78 7610096.6 510819 Millstream Bore Nwws P8 7613446 496657.3 Millstream Bore Nwws P8/77 7610195.5 510931.6 Millstream Bore Nwws P9/77 7608650.2 511988.1 Millstream Bore 3/04 7613720.3 507106.2 Millstream Bore 4/04 7613191.4 507036 Millstream Bore 8/04 7607962.2 512480.8 Millstream Bore 12/04 7613941.6 507603.1 (c) [See tabled paper no.] (d) The MAL varies between 293.5 and 293.8 mAHD. The MAL criteria for the Water Year is dependent upon the river flow from the Gregory Gorge gauging station during the previous water year. i. The MAL criteria level is set by DWER. ii. The Water Corporation must comply with the terms and conditions of its water licence. If the MAL goes below criteria then response action is determined in consultation with DWER. iii. Water Corporation is responsible for monitoring MAL. (e) Yes. (i) (A) The Department of Water and Environmental Regulation revised Mean Aquifer Level criteria in the Pilbara Groundwater Allocation Plan (2013). (B) The revised criteria represent a revision to the previous Millstream water management plan (Welker 1998). The revised Mean Aquifer Level aims to maintain historical groundwater levels to maintain ecological function. It takes into account recent high groundwater levels and excludes low groundwater levels that were depleted due to groundwater abstraction. The new criteria are variable and are set each year depending on how much the system was recharged in the previous year. Criteria Welker 1998 criteria Current Department of Water and Environmental Regulation 2013 criteria Details Minimal allowable Mean Aquifer Level 293.10 metres Australian height datum 293.50 metres Australian height datum Mean Aquifer Level 293.1 metres Australian height datum was removed as this level was only reached historically during periods of high abstraction and required high rates of supplementation into the environment. Implemented in years following three or more years of below average recharge Dry Mean Aquifer Level 293.60 metres Australian height datum Implemented in years following below average recharge Average Mean Aquifer Level 293.60 metres Australian height datum 293.80 metres Australian height datum Implemented in years following above average recharge (f) (i) Only the Water Corporation has MAL criteria as part of the terms and conditions of its water licence. If the MAL goes below criteria then the response action by Water Corporation is determined in consultation with DWER . (ii) If MAL exceeds minimum MAL criteria there is a risk that riparian vegetation with direct access to the aquifer will experience a decline in condition. (g) and (g)(i) The following organisations are authorised to extract water from the Millstream aquifer up to their annual allocation: Organisation Annual allocation Water Corporation 15,000,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 300,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 220,000 kilolitres Shire of Ashburton 31,500 kilolitres Fortescue Metals Group Ltd 20,000 kilolitres Rio Tinto Exploration Pty Ltd 100 kilolitres API Management Pty Ltd 1,500 kilolitres (h) In the event that there is zero extraction from Harding dam in any given year, then the maximum amount that Water Corporation is permitted to extract from the Millstream Water Reserve Water Supply (Millstream aquifer) that year is 15,000,000 kilolitres. (i) The long term reliable (average) annual allocation for the Millstream Water Reserve Water Supply (groundwater) is estimated to be 6,000,000 kilolitres per year. (i) The Department of Water and Environmental Regulation determines this allocation. (ii) The current allocation limit of the Millstream aquifer is 15,682,500 kilolitres (which includes Millstream groundwater and Harding Dam surface water). This is the Department of Water and Environmental Regulation’s policy on the maximum volume of water able to be licenced for abstraction from the resource. (A) The allocation limit is defined in the Pilbara Groundwater Allocation Plan (2013). This plan is non statutory but guides the licensing process as managed under clauses 5C and 26D of the Rights in Water and Irrigation Act 1914. (j) The Water Corporation is the only organisation with a licensed allocation that exceeds the long term reliable allocation for the Millstream Water Reserve Water Supply – Millstream aquifer. The Corporation can extract water in excess of the long term reliable allocation providing management conditions are met, and Harding Dam cannot be used. (k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(c) [See tabled paper no.] (d) The MAL varies between 293.5 and 293.8 mAHD. The MAL criteria for the Water Year is dependent upon the river flow from the Gregory Gorge gauging station during the previous water year. i. The MAL criteria level is set by DWER. ii. The Water Corporation must comply with the terms and conditions of its water licence. If the MAL goes below criteria then response action is determined in consultation with DWER. iii. Water Corporation is responsible for monitoring MAL. (e) Yes. (i) (A) The Department of Water and Environmental Regulation revised Mean Aquifer Level criteria in the Pilbara Groundwater Allocation Plan (2013). (B) The revised criteria represent a revision to the previous Millstream water management plan (Welker 1998). The revised Mean Aquifer Level aims to maintain historical groundwater levels to maintain ecological function. It takes into account recent high groundwater levels and excludes low groundwater levels that were depleted due to groundwater abstraction. The new criteria are variable and are set each year depending on how much the system was recharged in the previous year. Criteria Welker 1998 criteria Current Department of Water and Environmental Regulation 2013 criteria Details Minimal allowable Mean Aquifer Level 293.10 metres Australian height datum 293.50 metres Australian height datum Mean Aquifer Level 293.1 metres Australian height datum was removed as this level was only reached historically during periods of high abstraction and required high rates of supplementation into the environment. Implemented in years following three or more years of below average recharge Dry Mean Aquifer Level 293.60 metres Australian height datum Implemented in years following below average recharge Average Mean Aquifer Level 293.60 metres Australian height datum 293.80 metres Australian height datum Implemented in years following above average recharge (f) (i) Only the Water Corporation has MAL criteria as part of the terms and conditions of its water licence. If the MAL goes below criteria then the response action by Water Corporation is determined in consultation with DWER . (ii) If MAL exceeds minimum MAL criteria there is a risk that riparian vegetation with direct access to the aquifer will experience a decline in condition. (g) and (g)(i) The following organisations are authorised to extract water from the Millstream aquifer up to their annual allocation: Organisation Annual allocation Water Corporation 15,000,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 300,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 220,000 kilolitres Shire of Ashburton 31,500 kilolitres Fortescue Metals Group Ltd 20,000 kilolitres Rio Tinto Exploration Pty Ltd 100 kilolitres API Management Pty Ltd 1,500 kilolitres (h) In the event that there is zero extraction from Harding dam in any given year, then the maximum amount that Water Corporation is permitted to extract from the Millstream Water Reserve Water Supply (Millstream aquifer) that year is 15,000,000 kilolitres. (i) The long term reliable (average) annual allocation for the Millstream Water Reserve Water Supply (groundwater) is estimated to be 6,000,000 kilolitres per year. (i) The Department of Water and Environmental Regulation determines this allocation. (ii) The current allocation limit of the Millstream aquifer is 15,682,500 kilolitres (which includes Millstream groundwater and Harding Dam surface water). This is the Department of Water and Environmental Regulation’s policy on the maximum volume of water able to be licenced for abstraction from the resource. (A) The allocation limit is defined in the Pilbara Groundwater Allocation Plan (2013). This plan is non statutory but guides the licensing process as managed under clauses 5C and 26D of the Rights in Water and Irrigation Act 1914. (j) The Water Corporation is the only organisation with a licensed allocation that exceeds the long term reliable allocation for the Millstream Water Reserve Water Supply – Millstream aquifer. The Corporation can extract water in excess of the long term reliable allocation providing management conditions are met, and Harding Dam cannot be used. (k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(d) The MAL varies between 293.5 and 293.8 mAHD. The MAL criteria for the Water Year is dependent upon the river flow from the Gregory Gorge gauging station during the previous water year. i. The MAL criteria level is set by DWER. ii. The Water Corporation must comply with the terms and conditions of its water licence. If the MAL goes below criteria then response action is determined in consultation with DWER. iii. Water Corporation is responsible for monitoring MAL. (e) Yes. (i) (A) The Department of Water and Environmental Regulation revised Mean Aquifer Level criteria in the Pilbara Groundwater Allocation Plan (2013). (B) The revised criteria represent a revision to the previous Millstream water management plan (Welker 1998). The revised Mean Aquifer Level aims to maintain historical groundwater levels to maintain ecological function. It takes into account recent high groundwater levels and excludes low groundwater levels that were depleted due to groundwater abstraction. The new criteria are variable and are set each year depending on how much the system was recharged in the previous year. Criteria Welker 1998 criteria Current Department of Water and Environmental Regulation 2013 criteria Details Minimal allowable Mean Aquifer Level 293.10 metres Australian height datum 293.50 metres Australian height datum Mean Aquifer Level 293.1 metres Australian height datum was removed as this level was only reached historically during periods of high abstraction and required high rates of supplementation into the environment. Implemented in years following three or more years of below average recharge Dry Mean Aquifer Level 293.60 metres Australian height datum Implemented in years following below average recharge Average Mean Aquifer Level 293.60 metres Australian height datum 293.80 metres Australian height datum Implemented in years following above average recharge (f) (i) Only the Water Corporation has MAL criteria as part of the terms and conditions of its water licence. If the MAL goes below criteria then the response action by Water Corporation is determined in consultation with DWER . (ii) If MAL exceeds minimum MAL criteria there is a risk that riparian vegetation with direct access to the aquifer will experience a decline in condition. (g) and (g)(i) The following organisations are authorised to extract water from the Millstream aquifer up to their annual allocation: Organisation Annual allocation Water Corporation 15,000,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 300,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 220,000 kilolitres Shire of Ashburton 31,500 kilolitres Fortescue Metals Group Ltd 20,000 kilolitres Rio Tinto Exploration Pty Ltd 100 kilolitres API Management Pty Ltd 1,500 kilolitres (h) In the event that there is zero extraction from Harding dam in any given year, then the maximum amount that Water Corporation is permitted to extract from the Millstream Water Reserve Water Supply (Millstream aquifer) that year is 15,000,000 kilolitres. (i) The long term reliable (average) annual allocation for the Millstream Water Reserve Water Supply (groundwater) is estimated to be 6,000,000 kilolitres per year. (i) The Department of Water and Environmental Regulation determines this allocation. (ii) The current allocation limit of the Millstream aquifer is 15,682,500 kilolitres (which includes Millstream groundwater and Harding Dam surface water). This is the Department of Water and Environmental Regulation’s policy on the maximum volume of water able to be licenced for abstraction from the resource. (A) The allocation limit is defined in the Pilbara Groundwater Allocation Plan (2013). This plan is non statutory but guides the licensing process as managed under clauses 5C and 26D of the Rights in Water and Irrigation Act 1914. (j) The Water Corporation is the only organisation with a licensed allocation that exceeds the long term reliable allocation for the Millstream Water Reserve Water Supply – Millstream aquifer. The Corporation can extract water in excess of the long term reliable allocation providing management conditions are met, and Harding Dam cannot be used. (k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(d) The MAL varies between 293.5 and 293.8 mAHD. The MAL criteria for the Water Year is dependent upon the river flow from the Gregory Gorge gauging station during the previous water year. i. The MAL criteria level is set by DWER. ii. The Water Corporation must comply with the terms and conditions of its water licence. If the MAL goes below criteria then response action is determined in consultation with DWER. iii. Water Corporation is responsible for monitoring MAL. (e) Yes. (i) (A) The Department of Water and Environmental Regulation revised Mean Aquifer Level criteria in the Pilbara Groundwater Allocation Plan (2013). (B) The revised criteria represent a revision to the previous Millstream water management plan (Welker 1998). The revised Mean Aquifer Level aims to maintain historical groundwater levels to maintain ecological function. It takes into account recent high groundwater levels and excludes low groundwater levels that were depleted due to groundwater abstraction. The new criteria are variable and are set each year depending on how much the system was recharged in the previous year. Criteria Welker 1998 criteria Current Department of Water and Environmental Regulation 2013 criteria Details Minimal allowable Mean Aquifer Level 293.10 metres Australian height datum 293.50 metres Australian height datum Mean Aquifer Level 293.1 metres Australian height datum was removed as this level was only reached historically during periods of high abstraction and required high rates of supplementation into the environment. Implemented in years following three or more years of below average recharge Dry Mean Aquifer Level 293.60 metres Australian height datum Implemented in years following below average recharge Average Mean Aquifer Level 293.60 metres Australian height datum 293.80 metres Australian height datum Implemented in years following above average recharge (f) (i) Only the Water Corporation has MAL criteria as part of the terms and conditions of its water licence. If the MAL goes below criteria then the response action by Water Corporation is determined in consultation with DWER . (ii) If MAL exceeds minimum MAL criteria there is a risk that riparian vegetation with direct access to the aquifer will experience a decline in condition. (g) and (g)(i) The following organisations are authorised to extract water from the Millstream aquifer up to their annual allocation: Organisation Annual allocation Water Corporation 15,000,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 300,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 220,000 kilolitres Shire of Ashburton 31,500 kilolitres Fortescue Metals Group Ltd 20,000 kilolitres Rio Tinto Exploration Pty Ltd 100 kilolitres API Management Pty Ltd 1,500 kilolitres (h) In the event that there is zero extraction from Harding dam in any given year, then the maximum amount that Water Corporation is permitted to extract from the Millstream Water Reserve Water Supply (Millstream aquifer) that year is 15,000,000 kilolitres. (i) The long term reliable (average) annual allocation for the Millstream Water Reserve Water Supply (groundwater) is estimated to be 6,000,000 kilolitres per year. (i) The Department of Water and Environmental Regulation determines this allocation. (ii) The current allocation limit of the Millstream aquifer is 15,682,500 kilolitres (which includes Millstream groundwater and Harding Dam surface water). This is the Department of Water and Environmental Regulation’s policy on the maximum volume of water able to be licenced for abstraction from the resource. (A) The allocation limit is defined in the Pilbara Groundwater Allocation Plan (2013). This plan is non statutory but guides the licensing process as managed under clauses 5C and 26D of the Rights in Water and Irrigation Act 1914. (j) The Water Corporation is the only organisation with a licensed allocation that exceeds the long term reliable allocation for the Millstream Water Reserve Water Supply – Millstream aquifer. The Corporation can extract water in excess of the long term reliable allocation providing management conditions are met, and Harding Dam cannot be used. (k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
i. The MAL criteria level is set by DWER. ii. The Water Corporation must comply with the terms and conditions of its water licence. If the MAL goes below criteria then response action is determined in consultation with DWER. iii. Water Corporation is responsible for monitoring MAL. (e) Yes. (i) (A) The Department of Water and Environmental Regulation revised Mean Aquifer Level criteria in the Pilbara Groundwater Allocation Plan (2013). (B) The revised criteria represent a revision to the previous Millstream water management plan (Welker 1998). The revised Mean Aquifer Level aims to maintain historical groundwater levels to maintain ecological function. It takes into account recent high groundwater levels and excludes low groundwater levels that were depleted due to groundwater abstraction. The new criteria are variable and are set each year depending on how much the system was recharged in the previous year. Criteria Welker 1998 criteria Current Department of Water and Environmental Regulation 2013 criteria Details Minimal allowable Mean Aquifer Level 293.10 metres Australian height datum 293.50 metres Australian height datum Mean Aquifer Level 293.1 metres Australian height datum was removed as this level was only reached historically during periods of high abstraction and required high rates of supplementation into the environment. Implemented in years following three or more years of below average recharge Dry Mean Aquifer Level 293.60 metres Australian height datum Implemented in years following below average recharge Average Mean Aquifer Level 293.60 metres Australian height datum 293.80 metres Australian height datum Implemented in years following above average recharge (f) (i) Only the Water Corporation has MAL criteria as part of the terms and conditions of its water licence. If the MAL goes below criteria then the response action by Water Corporation is determined in consultation with DWER . (ii) If MAL exceeds minimum MAL criteria there is a risk that riparian vegetation with direct access to the aquifer will experience a decline in condition. (g) and (g)(i) The following organisations are authorised to extract water from the Millstream aquifer up to their annual allocation: Organisation Annual allocation Water Corporation 15,000,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 300,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 220,000 kilolitres Shire of Ashburton 31,500 kilolitres Fortescue Metals Group Ltd 20,000 kilolitres Rio Tinto Exploration Pty Ltd 100 kilolitres API Management Pty Ltd 1,500 kilolitres (h) In the event that there is zero extraction from Harding dam in any given year, then the maximum amount that Water Corporation is permitted to extract from the Millstream Water Reserve Water Supply (Millstream aquifer) that year is 15,000,000 kilolitres. (i) The long term reliable (average) annual allocation for the Millstream Water Reserve Water Supply (groundwater) is estimated to be 6,000,000 kilolitres per year. (i) The Department of Water and Environmental Regulation determines this allocation. (ii) The current allocation limit of the Millstream aquifer is 15,682,500 kilolitres (which includes Millstream groundwater and Harding Dam surface water). This is the Department of Water and Environmental Regulation’s policy on the maximum volume of water able to be licenced for abstraction from the resource. (A) The allocation limit is defined in the Pilbara Groundwater Allocation Plan (2013). This plan is non statutory but guides the licensing process as managed under clauses 5C and 26D of the Rights in Water and Irrigation Act 1914. (j) The Water Corporation is the only organisation with a licensed allocation that exceeds the long term reliable allocation for the Millstream Water Reserve Water Supply – Millstream aquifer. The Corporation can extract water in excess of the long term reliable allocation providing management conditions are met, and Harding Dam cannot be used. (k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
ii. The Water Corporation must comply with the terms and conditions of its water licence. If the MAL goes below criteria then response action is determined in consultation with DWER. iii. Water Corporation is responsible for monitoring MAL. (e) Yes. (i) (A) The Department of Water and Environmental Regulation revised Mean Aquifer Level criteria in the Pilbara Groundwater Allocation Plan (2013). (B) The revised criteria represent a revision to the previous Millstream water management plan (Welker 1998). The revised Mean Aquifer Level aims to maintain historical groundwater levels to maintain ecological function. It takes into account recent high groundwater levels and excludes low groundwater levels that were depleted due to groundwater abstraction. The new criteria are variable and are set each year depending on how much the system was recharged in the previous year. Criteria Welker 1998 criteria Current Department of Water and Environmental Regulation 2013 criteria Details Minimal allowable Mean Aquifer Level 293.10 metres Australian height datum 293.50 metres Australian height datum Mean Aquifer Level 293.1 metres Australian height datum was removed as this level was only reached historically during periods of high abstraction and required high rates of supplementation into the environment. Implemented in years following three or more years of below average recharge Dry Mean Aquifer Level 293.60 metres Australian height datum Implemented in years following below average recharge Average Mean Aquifer Level 293.60 metres Australian height datum 293.80 metres Australian height datum Implemented in years following above average recharge (f) (i) Only the Water Corporation has MAL criteria as part of the terms and conditions of its water licence. If the MAL goes below criteria then the response action by Water Corporation is determined in consultation with DWER . (ii) If MAL exceeds minimum MAL criteria there is a risk that riparian vegetation with direct access to the aquifer will experience a decline in condition. (g) and (g)(i) The following organisations are authorised to extract water from the Millstream aquifer up to their annual allocation: Organisation Annual allocation Water Corporation 15,000,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 300,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 220,000 kilolitres Shire of Ashburton 31,500 kilolitres Fortescue Metals Group Ltd 20,000 kilolitres Rio Tinto Exploration Pty Ltd 100 kilolitres API Management Pty Ltd 1,500 kilolitres (h) In the event that there is zero extraction from Harding dam in any given year, then the maximum amount that Water Corporation is permitted to extract from the Millstream Water Reserve Water Supply (Millstream aquifer) that year is 15,000,000 kilolitres. (i) The long term reliable (average) annual allocation for the Millstream Water Reserve Water Supply (groundwater) is estimated to be 6,000,000 kilolitres per year. (i) The Department of Water and Environmental Regulation determines this allocation. (ii) The current allocation limit of the Millstream aquifer is 15,682,500 kilolitres (which includes Millstream groundwater and Harding Dam surface water). This is the Department of Water and Environmental Regulation’s policy on the maximum volume of water able to be licenced for abstraction from the resource. (A) The allocation limit is defined in the Pilbara Groundwater Allocation Plan (2013). This plan is non statutory but guides the licensing process as managed under clauses 5C and 26D of the Rights in Water and Irrigation Act 1914. (j) The Water Corporation is the only organisation with a licensed allocation that exceeds the long term reliable allocation for the Millstream Water Reserve Water Supply – Millstream aquifer. The Corporation can extract water in excess of the long term reliable allocation providing management conditions are met, and Harding Dam cannot be used. (k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
iii. Water Corporation is responsible for monitoring MAL. (e) Yes. (i) (A) The Department of Water and Environmental Regulation revised Mean Aquifer Level criteria in the Pilbara Groundwater Allocation Plan (2013). (B) The revised criteria represent a revision to the previous Millstream water management plan (Welker 1998). The revised Mean Aquifer Level aims to maintain historical groundwater levels to maintain ecological function. It takes into account recent high groundwater levels and excludes low groundwater levels that were depleted due to groundwater abstraction. The new criteria are variable and are set each year depending on how much the system was recharged in the previous year. Criteria Welker 1998 criteria Current Department of Water and Environmental Regulation 2013 criteria Details Minimal allowable Mean Aquifer Level 293.10 metres Australian height datum 293.50 metres Australian height datum Mean Aquifer Level 293.1 metres Australian height datum was removed as this level was only reached historically during periods of high abstraction and required high rates of supplementation into the environment. Implemented in years following three or more years of below average recharge Dry Mean Aquifer Level 293.60 metres Australian height datum Implemented in years following below average recharge Average Mean Aquifer Level 293.60 metres Australian height datum 293.80 metres Australian height datum Implemented in years following above average recharge (f) (i) Only the Water Corporation has MAL criteria as part of the terms and conditions of its water licence. If the MAL goes below criteria then the response action by Water Corporation is determined in consultation with DWER . (ii) If MAL exceeds minimum MAL criteria there is a risk that riparian vegetation with direct access to the aquifer will experience a decline in condition. (g) and (g)(i) The following organisations are authorised to extract water from the Millstream aquifer up to their annual allocation: Organisation Annual allocation Water Corporation 15,000,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 300,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 220,000 kilolitres Shire of Ashburton 31,500 kilolitres Fortescue Metals Group Ltd 20,000 kilolitres Rio Tinto Exploration Pty Ltd 100 kilolitres API Management Pty Ltd 1,500 kilolitres (h) In the event that there is zero extraction from Harding dam in any given year, then the maximum amount that Water Corporation is permitted to extract from the Millstream Water Reserve Water Supply (Millstream aquifer) that year is 15,000,000 kilolitres. (i) The long term reliable (average) annual allocation for the Millstream Water Reserve Water Supply (groundwater) is estimated to be 6,000,000 kilolitres per year. (i) The Department of Water and Environmental Regulation determines this allocation. (ii) The current allocation limit of the Millstream aquifer is 15,682,500 kilolitres (which includes Millstream groundwater and Harding Dam surface water). This is the Department of Water and Environmental Regulation’s policy on the maximum volume of water able to be licenced for abstraction from the resource. (A) The allocation limit is defined in the Pilbara Groundwater Allocation Plan (2013). This plan is non statutory but guides the licensing process as managed under clauses 5C and 26D of the Rights in Water and Irrigation Act 1914. (j) The Water Corporation is the only organisation with a licensed allocation that exceeds the long term reliable allocation for the Millstream Water Reserve Water Supply – Millstream aquifer. The Corporation can extract water in excess of the long term reliable allocation providing management conditions are met, and Harding Dam cannot be used. (k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(e) Yes. (i) (A) The Department of Water and Environmental Regulation revised Mean Aquifer Level criteria in the Pilbara Groundwater Allocation Plan (2013). (B) The revised criteria represent a revision to the previous Millstream water management plan (Welker 1998). The revised Mean Aquifer Level aims to maintain historical groundwater levels to maintain ecological function. It takes into account recent high groundwater levels and excludes low groundwater levels that were depleted due to groundwater abstraction. The new criteria are variable and are set each year depending on how much the system was recharged in the previous year. Criteria Welker 1998 criteria Current Department of Water and Environmental Regulation 2013 criteria Details Minimal allowable Mean Aquifer Level 293.10 metres Australian height datum 293.50 metres Australian height datum Mean Aquifer Level 293.1 metres Australian height datum was removed as this level was only reached historically during periods of high abstraction and required high rates of supplementation into the environment. Implemented in years following three or more years of below average recharge Dry Mean Aquifer Level 293.60 metres Australian height datum Implemented in years following below average recharge Average Mean Aquifer Level 293.60 metres Australian height datum 293.80 metres Australian height datum Implemented in years following above average recharge (f) (i) Only the Water Corporation has MAL criteria as part of the terms and conditions of its water licence. If the MAL goes below criteria then the response action by Water Corporation is determined in consultation with DWER . (ii) If MAL exceeds minimum MAL criteria there is a risk that riparian vegetation with direct access to the aquifer will experience a decline in condition. (g) and (g)(i) The following organisations are authorised to extract water from the Millstream aquifer up to their annual allocation: Organisation Annual allocation Water Corporation 15,000,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 300,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 220,000 kilolitres Shire of Ashburton 31,500 kilolitres Fortescue Metals Group Ltd 20,000 kilolitres Rio Tinto Exploration Pty Ltd 100 kilolitres API Management Pty Ltd 1,500 kilolitres (h) In the event that there is zero extraction from Harding dam in any given year, then the maximum amount that Water Corporation is permitted to extract from the Millstream Water Reserve Water Supply (Millstream aquifer) that year is 15,000,000 kilolitres. (i) The long term reliable (average) annual allocation for the Millstream Water Reserve Water Supply (groundwater) is estimated to be 6,000,000 kilolitres per year. (i) The Department of Water and Environmental Regulation determines this allocation. (ii) The current allocation limit of the Millstream aquifer is 15,682,500 kilolitres (which includes Millstream groundwater and Harding Dam surface water). This is the Department of Water and Environmental Regulation’s policy on the maximum volume of water able to be licenced for abstraction from the resource. (A) The allocation limit is defined in the Pilbara Groundwater Allocation Plan (2013). This plan is non statutory but guides the licensing process as managed under clauses 5C and 26D of the Rights in Water and Irrigation Act 1914. (j) The Water Corporation is the only organisation with a licensed allocation that exceeds the long term reliable allocation for the Millstream Water Reserve Water Supply – Millstream aquifer. The Corporation can extract water in excess of the long term reliable allocation providing management conditions are met, and Harding Dam cannot be used. (k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(e) Yes. (i) (A) The Department of Water and Environmental Regulation revised Mean Aquifer Level criteria in the Pilbara Groundwater Allocation Plan (2013). (B) The revised criteria represent a revision to the previous Millstream water management plan (Welker 1998). The revised Mean Aquifer Level aims to maintain historical groundwater levels to maintain ecological function. It takes into account recent high groundwater levels and excludes low groundwater levels that were depleted due to groundwater abstraction. The new criteria are variable and are set each year depending on how much the system was recharged in the previous year. Criteria Welker 1998 criteria Current Department of Water and Environmental Regulation 2013 criteria Details Minimal allowable Mean Aquifer Level 293.10 metres Australian height datum 293.50 metres Australian height datum Mean Aquifer Level 293.1 metres Australian height datum was removed as this level was only reached historically during periods of high abstraction and required high rates of supplementation into the environment. Implemented in years following three or more years of below average recharge Dry Mean Aquifer Level 293.60 metres Australian height datum Implemented in years following below average recharge Average Mean Aquifer Level 293.60 metres Australian height datum 293.80 metres Australian height datum Implemented in years following above average recharge (f) (i) Only the Water Corporation has MAL criteria as part of the terms and conditions of its water licence. If the MAL goes below criteria then the response action by Water Corporation is determined in consultation with DWER . (ii) If MAL exceeds minimum MAL criteria there is a risk that riparian vegetation with direct access to the aquifer will experience a decline in condition. (g) and (g)(i) The following organisations are authorised to extract water from the Millstream aquifer up to their annual allocation: Organisation Annual allocation Water Corporation 15,000,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 300,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 220,000 kilolitres Shire of Ashburton 31,500 kilolitres Fortescue Metals Group Ltd 20,000 kilolitres Rio Tinto Exploration Pty Ltd 100 kilolitres API Management Pty Ltd 1,500 kilolitres (h) In the event that there is zero extraction from Harding dam in any given year, then the maximum amount that Water Corporation is permitted to extract from the Millstream Water Reserve Water Supply (Millstream aquifer) that year is 15,000,000 kilolitres. (i) The long term reliable (average) annual allocation for the Millstream Water Reserve Water Supply (groundwater) is estimated to be 6,000,000 kilolitres per year. (i) The Department of Water and Environmental Regulation determines this allocation. (ii) The current allocation limit of the Millstream aquifer is 15,682,500 kilolitres (which includes Millstream groundwater and Harding Dam surface water). This is the Department of Water and Environmental Regulation’s policy on the maximum volume of water able to be licenced for abstraction from the resource. (A) The allocation limit is defined in the Pilbara Groundwater Allocation Plan (2013). This plan is non statutory but guides the licensing process as managed under clauses 5C and 26D of the Rights in Water and Irrigation Act 1914. (j) The Water Corporation is the only organisation with a licensed allocation that exceeds the long term reliable allocation for the Millstream Water Reserve Water Supply – Millstream aquifer. The Corporation can extract water in excess of the long term reliable allocation providing management conditions are met, and Harding Dam cannot be used. (k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(i) (A) The Department of Water and Environmental Regulation revised Mean Aquifer Level criteria in the Pilbara Groundwater Allocation Plan (2013). (B) The revised criteria represent a revision to the previous Millstream water management plan (Welker 1998). The revised Mean Aquifer Level aims to maintain historical groundwater levels to maintain ecological function. It takes into account recent high groundwater levels and excludes low groundwater levels that were depleted due to groundwater abstraction. The new criteria are variable and are set each year depending on how much the system was recharged in the previous year. Criteria Welker 1998 criteria Current Department of Water and Environmental Regulation 2013 criteria Details Minimal allowable Mean Aquifer Level 293.10 metres Australian height datum 293.50 metres Australian height datum Mean Aquifer Level 293.1 metres Australian height datum was removed as this level was only reached historically during periods of high abstraction and required high rates of supplementation into the environment. Implemented in years following three or more years of below average recharge Dry Mean Aquifer Level 293.60 metres Australian height datum Implemented in years following below average recharge Average Mean Aquifer Level 293.60 metres Australian height datum 293.80 metres Australian height datum Implemented in years following above average recharge (f) (i) Only the Water Corporation has MAL criteria as part of the terms and conditions of its water licence. If the MAL goes below criteria then the response action by Water Corporation is determined in consultation with DWER . (ii) If MAL exceeds minimum MAL criteria there is a risk that riparian vegetation with direct access to the aquifer will experience a decline in condition. (g) and (g)(i) The following organisations are authorised to extract water from the Millstream aquifer up to their annual allocation: Organisation Annual allocation Water Corporation 15,000,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 300,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 220,000 kilolitres Shire of Ashburton 31,500 kilolitres Fortescue Metals Group Ltd 20,000 kilolitres Rio Tinto Exploration Pty Ltd 100 kilolitres API Management Pty Ltd 1,500 kilolitres (h) In the event that there is zero extraction from Harding dam in any given year, then the maximum amount that Water Corporation is permitted to extract from the Millstream Water Reserve Water Supply (Millstream aquifer) that year is 15,000,000 kilolitres. (i) The long term reliable (average) annual allocation for the Millstream Water Reserve Water Supply (groundwater) is estimated to be 6,000,000 kilolitres per year. (i) The Department of Water and Environmental Regulation determines this allocation. (ii) The current allocation limit of the Millstream aquifer is 15,682,500 kilolitres (which includes Millstream groundwater and Harding Dam surface water). This is the Department of Water and Environmental Regulation’s policy on the maximum volume of water able to be licenced for abstraction from the resource. (A) The allocation limit is defined in the Pilbara Groundwater Allocation Plan (2013). This plan is non statutory but guides the licensing process as managed under clauses 5C and 26D of the Rights in Water and Irrigation Act 1914. (j) The Water Corporation is the only organisation with a licensed allocation that exceeds the long term reliable allocation for the Millstream Water Reserve Water Supply – Millstream aquifer. The Corporation can extract water in excess of the long term reliable allocation providing management conditions are met, and Harding Dam cannot be used. (k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(B) The revised criteria represent a revision to the previous Millstream water management plan (Welker 1998). The revised Mean Aquifer Level aims to maintain historical groundwater levels to maintain ecological function. It takes into account recent high groundwater levels and excludes low groundwater levels that were depleted due to groundwater abstraction. The new criteria are variable and are set each year depending on how much the system was recharged in the previous year. Criteria Welker 1998 criteria Current Department of Water and Environmental Regulation 2013 criteria Details Minimal allowable Mean Aquifer Level 293.10 metres Australian height datum 293.50 metres Australian height datum Mean Aquifer Level 293.1 metres Australian height datum was removed as this level was only reached historically during periods of high abstraction and required high rates of supplementation into the environment. Implemented in years following three or more years of below average recharge Dry Mean Aquifer Level 293.60 metres Australian height datum Implemented in years following below average recharge Average Mean Aquifer Level 293.60 metres Australian height datum 293.80 metres Australian height datum Implemented in years following above average recharge (f) (i) Only the Water Corporation has MAL criteria as part of the terms and conditions of its water licence. If the MAL goes below criteria then the response action by Water Corporation is determined in consultation with DWER . (ii) If MAL exceeds minimum MAL criteria there is a risk that riparian vegetation with direct access to the aquifer will experience a decline in condition. (g) and (g)(i) The following organisations are authorised to extract water from the Millstream aquifer up to their annual allocation: Organisation Annual allocation Water Corporation 15,000,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 300,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 220,000 kilolitres Shire of Ashburton 31,500 kilolitres Fortescue Metals Group Ltd 20,000 kilolitres Rio Tinto Exploration Pty Ltd 100 kilolitres API Management Pty Ltd 1,500 kilolitres (h) In the event that there is zero extraction from Harding dam in any given year, then the maximum amount that Water Corporation is permitted to extract from the Millstream Water Reserve Water Supply (Millstream aquifer) that year is 15,000,000 kilolitres. (i) The long term reliable (average) annual allocation for the Millstream Water Reserve Water Supply (groundwater) is estimated to be 6,000,000 kilolitres per year. (i) The Department of Water and Environmental Regulation determines this allocation. (ii) The current allocation limit of the Millstream aquifer is 15,682,500 kilolitres (which includes Millstream groundwater and Harding Dam surface water). This is the Department of Water and Environmental Regulation’s policy on the maximum volume of water able to be licenced for abstraction from the resource. (A) The allocation limit is defined in the Pilbara Groundwater Allocation Plan (2013). This plan is non statutory but guides the licensing process as managed under clauses 5C and 26D of the Rights in Water and Irrigation Act 1914. (j) The Water Corporation is the only organisation with a licensed allocation that exceeds the long term reliable allocation for the Millstream Water Reserve Water Supply – Millstream aquifer. The Corporation can extract water in excess of the long term reliable allocation providing management conditions are met, and Harding Dam cannot be used. (k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
Criteria Welker 1998 criteria Current Department of Water and Environmental Regulation 2013 criteria Details Minimal allowable Mean Aquifer Level 293.10 metres Australian height datum 293.50 metres Australian height datum Mean Aquifer Level 293.1 metres Australian height datum was removed as this level was only reached historically during periods of high abstraction and required high rates of supplementation into the environment. Implemented in years following three or more years of below average recharge Dry Mean Aquifer Level 293.60 metres Australian height datum Implemented in years following below average recharge Average Mean Aquifer Level 293.60 metres Australian height datum 293.80 metres Australian height datum Implemented in years following above average recharge (f) (i) Only the Water Corporation has MAL criteria as part of the terms and conditions of its water licence. If the MAL goes below criteria then the response action by Water Corporation is determined in consultation with DWER . (ii) If MAL exceeds minimum MAL criteria there is a risk that riparian vegetation with direct access to the aquifer will experience a decline in condition. (g) and (g)(i) The following organisations are authorised to extract water from the Millstream aquifer up to their annual allocation: Organisation Annual allocation Water Corporation 15,000,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 300,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 220,000 kilolitres Shire of Ashburton 31,500 kilolitres Fortescue Metals Group Ltd 20,000 kilolitres Rio Tinto Exploration Pty Ltd 100 kilolitres API Management Pty Ltd 1,500 kilolitres (h) In the event that there is zero extraction from Harding dam in any given year, then the maximum amount that Water Corporation is permitted to extract from the Millstream Water Reserve Water Supply (Millstream aquifer) that year is 15,000,000 kilolitres. (i) The long term reliable (average) annual allocation for the Millstream Water Reserve Water Supply (groundwater) is estimated to be 6,000,000 kilolitres per year. (i) The Department of Water and Environmental Regulation determines this allocation. (ii) The current allocation limit of the Millstream aquifer is 15,682,500 kilolitres (which includes Millstream groundwater and Harding Dam surface water). This is the Department of Water and Environmental Regulation’s policy on the maximum volume of water able to be licenced for abstraction from the resource. (A) The allocation limit is defined in the Pilbara Groundwater Allocation Plan (2013). This plan is non statutory but guides the licensing process as managed under clauses 5C and 26D of the Rights in Water and Irrigation Act 1914. (j) The Water Corporation is the only organisation with a licensed allocation that exceeds the long term reliable allocation for the Millstream Water Reserve Water Supply – Millstream aquifer. The Corporation can extract water in excess of the long term reliable allocation providing management conditions are met, and Harding Dam cannot be used. (k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
Criteria Welker 1998 criteria Current Department of Water and Environmental Regulation 2013 criteria Details Minimal allowable Mean Aquifer Level 293.10 metres Australian height datum 293.50 metres Australian height datum Mean Aquifer Level 293.1 metres Australian height datum was removed as this level was only reached historically during periods of high abstraction and required high rates of supplementation into the environment. Implemented in years following three or more years of below average recharge Dry Mean Aquifer Level 293.60 metres Australian height datum Implemented in years following below average recharge Average Mean Aquifer Level 293.60 metres Australian height datum 293.80 metres Australian height datum Implemented in years following above average recharge (f) (i) Only the Water Corporation has MAL criteria as part of the terms and conditions of its water licence. If the MAL goes below criteria then the response action by Water Corporation is determined in consultation with DWER . (ii) If MAL exceeds minimum MAL criteria there is a risk that riparian vegetation with direct access to the aquifer will experience a decline in condition. (g) and (g)(i) The following organisations are authorised to extract water from the Millstream aquifer up to their annual allocation: Organisation Annual allocation Water Corporation 15,000,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 300,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 220,000 kilolitres Shire of Ashburton 31,500 kilolitres Fortescue Metals Group Ltd 20,000 kilolitres Rio Tinto Exploration Pty Ltd 100 kilolitres API Management Pty Ltd 1,500 kilolitres (h) In the event that there is zero extraction from Harding dam in any given year, then the maximum amount that Water Corporation is permitted to extract from the Millstream Water Reserve Water Supply (Millstream aquifer) that year is 15,000,000 kilolitres. (i) The long term reliable (average) annual allocation for the Millstream Water Reserve Water Supply (groundwater) is estimated to be 6,000,000 kilolitres per year. (i) The Department of Water and Environmental Regulation determines this allocation. (ii) The current allocation limit of the Millstream aquifer is 15,682,500 kilolitres (which includes Millstream groundwater and Harding Dam surface water). This is the Department of Water and Environmental Regulation’s policy on the maximum volume of water able to be licenced for abstraction from the resource. (A) The allocation limit is defined in the Pilbara Groundwater Allocation Plan (2013). This plan is non statutory but guides the licensing process as managed under clauses 5C and 26D of the Rights in Water and Irrigation Act 1914. (j) The Water Corporation is the only organisation with a licensed allocation that exceeds the long term reliable allocation for the Millstream Water Reserve Water Supply – Millstream aquifer. The Corporation can extract water in excess of the long term reliable allocation providing management conditions are met, and Harding Dam cannot be used. (k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(f) (i) Only the Water Corporation has MAL criteria as part of the terms and conditions of its water licence. If the MAL goes below criteria then the response action by Water Corporation is determined in consultation with DWER . (ii) If MAL exceeds minimum MAL criteria there is a risk that riparian vegetation with direct access to the aquifer will experience a decline in condition. (g) and (g)(i) The following organisations are authorised to extract water from the Millstream aquifer up to their annual allocation: Organisation Annual allocation Water Corporation 15,000,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 300,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 220,000 kilolitres Shire of Ashburton 31,500 kilolitres Fortescue Metals Group Ltd 20,000 kilolitres Rio Tinto Exploration Pty Ltd 100 kilolitres API Management Pty Ltd 1,500 kilolitres (h) In the event that there is zero extraction from Harding dam in any given year, then the maximum amount that Water Corporation is permitted to extract from the Millstream Water Reserve Water Supply (Millstream aquifer) that year is 15,000,000 kilolitres. (i) The long term reliable (average) annual allocation for the Millstream Water Reserve Water Supply (groundwater) is estimated to be 6,000,000 kilolitres per year. (i) The Department of Water and Environmental Regulation determines this allocation. (ii) The current allocation limit of the Millstream aquifer is 15,682,500 kilolitres (which includes Millstream groundwater and Harding Dam surface water). This is the Department of Water and Environmental Regulation’s policy on the maximum volume of water able to be licenced for abstraction from the resource. (A) The allocation limit is defined in the Pilbara Groundwater Allocation Plan (2013). This plan is non statutory but guides the licensing process as managed under clauses 5C and 26D of the Rights in Water and Irrigation Act 1914. (j) The Water Corporation is the only organisation with a licensed allocation that exceeds the long term reliable allocation for the Millstream Water Reserve Water Supply – Millstream aquifer. The Corporation can extract water in excess of the long term reliable allocation providing management conditions are met, and Harding Dam cannot be used. (k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(i) Only the Water Corporation has MAL criteria as part of the terms and conditions of its water licence. If the MAL goes below criteria then the response action by Water Corporation is determined in consultation with DWER . (ii) If MAL exceeds minimum MAL criteria there is a risk that riparian vegetation with direct access to the aquifer will experience a decline in condition. (g) and (g)(i) The following organisations are authorised to extract water from the Millstream aquifer up to their annual allocation: Organisation Annual allocation Water Corporation 15,000,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 300,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 220,000 kilolitres Shire of Ashburton 31,500 kilolitres Fortescue Metals Group Ltd 20,000 kilolitres Rio Tinto Exploration Pty Ltd 100 kilolitres API Management Pty Ltd 1,500 kilolitres (h) In the event that there is zero extraction from Harding dam in any given year, then the maximum amount that Water Corporation is permitted to extract from the Millstream Water Reserve Water Supply (Millstream aquifer) that year is 15,000,000 kilolitres. (i) The long term reliable (average) annual allocation for the Millstream Water Reserve Water Supply (groundwater) is estimated to be 6,000,000 kilolitres per year. (i) The Department of Water and Environmental Regulation determines this allocation. (ii) The current allocation limit of the Millstream aquifer is 15,682,500 kilolitres (which includes Millstream groundwater and Harding Dam surface water). This is the Department of Water and Environmental Regulation’s policy on the maximum volume of water able to be licenced for abstraction from the resource. (A) The allocation limit is defined in the Pilbara Groundwater Allocation Plan (2013). This plan is non statutory but guides the licensing process as managed under clauses 5C and 26D of the Rights in Water and Irrigation Act 1914. (j) The Water Corporation is the only organisation with a licensed allocation that exceeds the long term reliable allocation for the Millstream Water Reserve Water Supply – Millstream aquifer. The Corporation can extract water in excess of the long term reliable allocation providing management conditions are met, and Harding Dam cannot be used. (k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(ii) If MAL exceeds minimum MAL criteria there is a risk that riparian vegetation with direct access to the aquifer will experience a decline in condition. (g) and (g)(i) The following organisations are authorised to extract water from the Millstream aquifer up to their annual allocation: Organisation Annual allocation Water Corporation 15,000,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 300,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 220,000 kilolitres Shire of Ashburton 31,500 kilolitres Fortescue Metals Group Ltd 20,000 kilolitres Rio Tinto Exploration Pty Ltd 100 kilolitres API Management Pty Ltd 1,500 kilolitres (h) In the event that there is zero extraction from Harding dam in any given year, then the maximum amount that Water Corporation is permitted to extract from the Millstream Water Reserve Water Supply (Millstream aquifer) that year is 15,000,000 kilolitres. (i) The long term reliable (average) annual allocation for the Millstream Water Reserve Water Supply (groundwater) is estimated to be 6,000,000 kilolitres per year. (i) The Department of Water and Environmental Regulation determines this allocation. (ii) The current allocation limit of the Millstream aquifer is 15,682,500 kilolitres (which includes Millstream groundwater and Harding Dam surface water). This is the Department of Water and Environmental Regulation’s policy on the maximum volume of water able to be licenced for abstraction from the resource. (A) The allocation limit is defined in the Pilbara Groundwater Allocation Plan (2013). This plan is non statutory but guides the licensing process as managed under clauses 5C and 26D of the Rights in Water and Irrigation Act 1914. (j) The Water Corporation is the only organisation with a licensed allocation that exceeds the long term reliable allocation for the Millstream Water Reserve Water Supply – Millstream aquifer. The Corporation can extract water in excess of the long term reliable allocation providing management conditions are met, and Harding Dam cannot be used. (k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(g) and (g)(i) The following organisations are authorised to extract water from the Millstream aquifer up to their annual allocation: Organisation Annual allocation Water Corporation 15,000,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 300,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 220,000 kilolitres Shire of Ashburton 31,500 kilolitres Fortescue Metals Group Ltd 20,000 kilolitres Rio Tinto Exploration Pty Ltd 100 kilolitres API Management Pty Ltd 1,500 kilolitres (h) In the event that there is zero extraction from Harding dam in any given year, then the maximum amount that Water Corporation is permitted to extract from the Millstream Water Reserve Water Supply (Millstream aquifer) that year is 15,000,000 kilolitres. (i) The long term reliable (average) annual allocation for the Millstream Water Reserve Water Supply (groundwater) is estimated to be 6,000,000 kilolitres per year. (i) The Department of Water and Environmental Regulation determines this allocation. (ii) The current allocation limit of the Millstream aquifer is 15,682,500 kilolitres (which includes Millstream groundwater and Harding Dam surface water). This is the Department of Water and Environmental Regulation’s policy on the maximum volume of water able to be licenced for abstraction from the resource. (A) The allocation limit is defined in the Pilbara Groundwater Allocation Plan (2013). This plan is non statutory but guides the licensing process as managed under clauses 5C and 26D of the Rights in Water and Irrigation Act 1914. (j) The Water Corporation is the only organisation with a licensed allocation that exceeds the long term reliable allocation for the Millstream Water Reserve Water Supply – Millstream aquifer. The Corporation can extract water in excess of the long term reliable allocation providing management conditions are met, and Harding Dam cannot be used. (k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(g) and (g)(i) The following organisations are authorised to extract water from the Millstream aquifer up to their annual allocation: Organisation Annual allocation Water Corporation 15,000,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 300,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 220,000 kilolitres Shire of Ashburton 31,500 kilolitres Fortescue Metals Group Ltd 20,000 kilolitres Rio Tinto Exploration Pty Ltd 100 kilolitres API Management Pty Ltd 1,500 kilolitres (h) In the event that there is zero extraction from Harding dam in any given year, then the maximum amount that Water Corporation is permitted to extract from the Millstream Water Reserve Water Supply (Millstream aquifer) that year is 15,000,000 kilolitres. (i) The long term reliable (average) annual allocation for the Millstream Water Reserve Water Supply (groundwater) is estimated to be 6,000,000 kilolitres per year. (i) The Department of Water and Environmental Regulation determines this allocation. (ii) The current allocation limit of the Millstream aquifer is 15,682,500 kilolitres (which includes Millstream groundwater and Harding Dam surface water). This is the Department of Water and Environmental Regulation’s policy on the maximum volume of water able to be licenced for abstraction from the resource. (A) The allocation limit is defined in the Pilbara Groundwater Allocation Plan (2013). This plan is non statutory but guides the licensing process as managed under clauses 5C and 26D of the Rights in Water and Irrigation Act 1914. (j) The Water Corporation is the only organisation with a licensed allocation that exceeds the long term reliable allocation for the Millstream Water Reserve Water Supply – Millstream aquifer. The Corporation can extract water in excess of the long term reliable allocation providing management conditions are met, and Harding Dam cannot be used. (k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
Organisation Annual allocation Water Corporation 15,000,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 300,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 220,000 kilolitres Shire of Ashburton 31,500 kilolitres Fortescue Metals Group Ltd 20,000 kilolitres Rio Tinto Exploration Pty Ltd 100 kilolitres API Management Pty Ltd 1,500 kilolitres (h) In the event that there is zero extraction from Harding dam in any given year, then the maximum amount that Water Corporation is permitted to extract from the Millstream Water Reserve Water Supply (Millstream aquifer) that year is 15,000,000 kilolitres. (i) The long term reliable (average) annual allocation for the Millstream Water Reserve Water Supply (groundwater) is estimated to be 6,000,000 kilolitres per year. (i) The Department of Water and Environmental Regulation determines this allocation. (ii) The current allocation limit of the Millstream aquifer is 15,682,500 kilolitres (which includes Millstream groundwater and Harding Dam surface water). This is the Department of Water and Environmental Regulation’s policy on the maximum volume of water able to be licenced for abstraction from the resource. (A) The allocation limit is defined in the Pilbara Groundwater Allocation Plan (2013). This plan is non statutory but guides the licensing process as managed under clauses 5C and 26D of the Rights in Water and Irrigation Act 1914. (j) The Water Corporation is the only organisation with a licensed allocation that exceeds the long term reliable allocation for the Millstream Water Reserve Water Supply – Millstream aquifer. The Corporation can extract water in excess of the long term reliable allocation providing management conditions are met, and Harding Dam cannot be used. (k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
Organisation Annual allocation Water Corporation 15,000,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 300,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 220,000 kilolitres Shire of Ashburton 31,500 kilolitres Fortescue Metals Group Ltd 20,000 kilolitres Rio Tinto Exploration Pty Ltd 100 kilolitres API Management Pty Ltd 1,500 kilolitres (h) In the event that there is zero extraction from Harding dam in any given year, then the maximum amount that Water Corporation is permitted to extract from the Millstream Water Reserve Water Supply (Millstream aquifer) that year is 15,000,000 kilolitres. (i) The long term reliable (average) annual allocation for the Millstream Water Reserve Water Supply (groundwater) is estimated to be 6,000,000 kilolitres per year. (i) The Department of Water and Environmental Regulation determines this allocation. (ii) The current allocation limit of the Millstream aquifer is 15,682,500 kilolitres (which includes Millstream groundwater and Harding Dam surface water). This is the Department of Water and Environmental Regulation’s policy on the maximum volume of water able to be licenced for abstraction from the resource. (A) The allocation limit is defined in the Pilbara Groundwater Allocation Plan (2013). This plan is non statutory but guides the licensing process as managed under clauses 5C and 26D of the Rights in Water and Irrigation Act 1914. (j) The Water Corporation is the only organisation with a licensed allocation that exceeds the long term reliable allocation for the Millstream Water Reserve Water Supply – Millstream aquifer. The Corporation can extract water in excess of the long term reliable allocation providing management conditions are met, and Harding Dam cannot be used. (k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(h) In the event that there is zero extraction from Harding dam in any given year, then the maximum amount that Water Corporation is permitted to extract from the Millstream Water Reserve Water Supply (Millstream aquifer) that year is 15,000,000 kilolitres. (i) The long term reliable (average) annual allocation for the Millstream Water Reserve Water Supply (groundwater) is estimated to be 6,000,000 kilolitres per year. (i) The Department of Water and Environmental Regulation determines this allocation. (ii) The current allocation limit of the Millstream aquifer is 15,682,500 kilolitres (which includes Millstream groundwater and Harding Dam surface water). This is the Department of Water and Environmental Regulation’s policy on the maximum volume of water able to be licenced for abstraction from the resource. (A) The allocation limit is defined in the Pilbara Groundwater Allocation Plan (2013). This plan is non statutory but guides the licensing process as managed under clauses 5C and 26D of the Rights in Water and Irrigation Act 1914. (j) The Water Corporation is the only organisation with a licensed allocation that exceeds the long term reliable allocation for the Millstream Water Reserve Water Supply – Millstream aquifer. The Corporation can extract water in excess of the long term reliable allocation providing management conditions are met, and Harding Dam cannot be used. (k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(i) The long term reliable (average) annual allocation for the Millstream Water Reserve Water Supply (groundwater) is estimated to be 6,000,000 kilolitres per year. (i) The Department of Water and Environmental Regulation determines this allocation. (ii) The current allocation limit of the Millstream aquifer is 15,682,500 kilolitres (which includes Millstream groundwater and Harding Dam surface water). This is the Department of Water and Environmental Regulation’s policy on the maximum volume of water able to be licenced for abstraction from the resource. (A) The allocation limit is defined in the Pilbara Groundwater Allocation Plan (2013). This plan is non statutory but guides the licensing process as managed under clauses 5C and 26D of the Rights in Water and Irrigation Act 1914. (j) The Water Corporation is the only organisation with a licensed allocation that exceeds the long term reliable allocation for the Millstream Water Reserve Water Supply – Millstream aquifer. The Corporation can extract water in excess of the long term reliable allocation providing management conditions are met, and Harding Dam cannot be used. (k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(i) The long term reliable (average) annual allocation for the Millstream Water Reserve Water Supply (groundwater) is estimated to be 6,000,000 kilolitres per year. (i) The Department of Water and Environmental Regulation determines this allocation. (ii) The current allocation limit of the Millstream aquifer is 15,682,500 kilolitres (which includes Millstream groundwater and Harding Dam surface water). This is the Department of Water and Environmental Regulation’s policy on the maximum volume of water able to be licenced for abstraction from the resource. (A) The allocation limit is defined in the Pilbara Groundwater Allocation Plan (2013). This plan is non statutory but guides the licensing process as managed under clauses 5C and 26D of the Rights in Water and Irrigation Act 1914. (j) The Water Corporation is the only organisation with a licensed allocation that exceeds the long term reliable allocation for the Millstream Water Reserve Water Supply – Millstream aquifer. The Corporation can extract water in excess of the long term reliable allocation providing management conditions are met, and Harding Dam cannot be used. (k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(i) The Department of Water and Environmental Regulation determines this allocation. (ii) The current allocation limit of the Millstream aquifer is 15,682,500 kilolitres (which includes Millstream groundwater and Harding Dam surface water). This is the Department of Water and Environmental Regulation’s policy on the maximum volume of water able to be licenced for abstraction from the resource. (A) The allocation limit is defined in the Pilbara Groundwater Allocation Plan (2013). This plan is non statutory but guides the licensing process as managed under clauses 5C and 26D of the Rights in Water and Irrigation Act 1914. (j) The Water Corporation is the only organisation with a licensed allocation that exceeds the long term reliable allocation for the Millstream Water Reserve Water Supply – Millstream aquifer. The Corporation can extract water in excess of the long term reliable allocation providing management conditions are met, and Harding Dam cannot be used. (k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(ii) The current allocation limit of the Millstream aquifer is 15,682,500 kilolitres (which includes Millstream groundwater and Harding Dam surface water). This is the Department of Water and Environmental Regulation’s policy on the maximum volume of water able to be licenced for abstraction from the resource. (A) The allocation limit is defined in the Pilbara Groundwater Allocation Plan (2013). This plan is non statutory but guides the licensing process as managed under clauses 5C and 26D of the Rights in Water and Irrigation Act 1914. (j) The Water Corporation is the only organisation with a licensed allocation that exceeds the long term reliable allocation for the Millstream Water Reserve Water Supply – Millstream aquifer. The Corporation can extract water in excess of the long term reliable allocation providing management conditions are met, and Harding Dam cannot be used. (k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(A) The allocation limit is defined in the Pilbara Groundwater Allocation Plan (2013). This plan is non statutory but guides the licensing process as managed under clauses 5C and 26D of the Rights in Water and Irrigation Act 1914. (j) The Water Corporation is the only organisation with a licensed allocation that exceeds the long term reliable allocation for the Millstream Water Reserve Water Supply – Millstream aquifer. The Corporation can extract water in excess of the long term reliable allocation providing management conditions are met, and Harding Dam cannot be used. (k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(j) The Water Corporation is the only organisation with a licensed allocation that exceeds the long term reliable allocation for the Millstream Water Reserve Water Supply – Millstream aquifer. The Corporation can extract water in excess of the long term reliable allocation providing management conditions are met, and Harding Dam cannot be used. (k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
· Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
· Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
· Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
· Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
· Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
[See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
Monitoring Site Northing (m) Easting (m) Millstream Bore 7 7610230.8 508856.2 Millstream Bore 8 7609949 509142.3 Millstream Bore Crystal Pool 1 7612179 506956 Millstream Bore Crystal Pool 2 7611881 506829 Millstream Bore Crystal Pool 3 7611913 506779 Millstream Bore Deep Reach 1/84 7609466 509935 Millstream Bore Deep Reach 2/84 7609378 510217 Millstream Bore Deep Reach 3/84 7609239 510561 Millstream Bore Nwws 1C 7608929.3 506646.2 Millstream Bore Nwws 1E 7612267.9 506833.8 Millstream Bore Nwws 2B 7610331.1 495681 Millstream Bore Nwws 2C 7607391.3 496755 Millstream Bore Nwws 4A 7604680.8 490202.3 Millstream Bore Nwws 5B 7603546.3 512299 Millstream Bore Nwws 7A 7612993.8 502091.6 Millstream Bore Nwws 7C 7608243.9 501958.8 Millstream Bore Nwws 8C 7602297.9 488845.4 Millstream Bore NWWS P10 7615056 503638 Millstream Bore Nwws P2 7614547.3 496044.7 Millstream Bore Nwws P2/77 7614139 505704 Millstream Bore Nwws P3/77 7614469.6 506327 Millstream Bore Nwws P4/78 7613855.5 506313.6 Millstream Bore Nwws P7/77 7610701.6 511160.5 Millstream Bore Nwws P7/78 7610096.6 510819 Millstream Bore Nwws P8 7613446 496657.3 Millstream Bore Nwws P8/77 7610195.5 510931.6 Millstream Bore Nwws P9/77 7608650.2 511988.1 Millstream Bore 3/04 7613720.3 507106.2 Millstream Bore 4/04 7613191.4 507036 Millstream Bore 8/04 7607962.2 512480.8 Millstream Bore 12/04 7613941.6 507603.1 (c) [See tabled paper no.] (d) The MAL varies between 293.5 and 293.8 mAHD. The MAL criteria for the Water Year is dependent upon the river flow from the Gregory Gorge gauging station during the previous water year. i. The MAL criteria level is set by DWER. ii. The Water Corporation must comply with the terms and conditions of its water licence. If the MAL goes below criteria then response action is determined in consultation with DWER. iii. Water Corporation is responsible for monitoring MAL. (e) Yes. (i) (A) The Department of Water and Environmental Regulation revised Mean Aquifer Level criteria in the Pilbara Groundwater Allocation Plan (2013). (B) The revised criteria represent a revision to the previous Millstream water management plan (Welker 1998). The revised Mean Aquifer Level aims to maintain historical groundwater levels to maintain ecological function. It takes into account recent high groundwater levels and excludes low groundwater levels that were depleted due to groundwater abstraction. The new criteria are variable and are set each year depending on how much the system was recharged in the previous year. Criteria Welker 1998 criteria Current Department of Water and Environmental Regulation 2013 criteria Details Minimal allowable Mean Aquifer Level 293.10 metres Australian height datum 293.50 metres Australian height datum Mean Aquifer Level 293.1 metres Australian height datum was removed as this level was only reached historically during periods of high abstraction and required high rates of supplementation into the environment. Implemented in years following three or more years of below average recharge Dry Mean Aquifer Level 293.60 metres Australian height datum Implemented in years following below average recharge Average Mean Aquifer Level 293.60 metres Australian height datum 293.80 metres Australian height datum Implemented in years following above average recharge (f) (i) Only the Water Corporation has MAL criteria as part of the terms and conditions of its water licence. If the MAL goes below criteria then the response action by Water Corporation is determined in consultation with DWER . (ii) If MAL exceeds minimum MAL criteria there is a risk that riparian vegetation with direct access to the aquifer will experience a decline in condition. (g) and (g)(i) The following organisations are authorised to extract water from the Millstream aquifer up to their annual allocation: Organisation Annual allocation Water Corporation 15,000,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 300,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 220,000 kilolitres Shire of Ashburton 31,500 kilolitres Fortescue Metals Group Ltd 20,000 kilolitres Rio Tinto Exploration Pty Ltd 100 kilolitres API Management Pty Ltd 1,500 kilolitres (h) In the event that there is zero extraction from Harding dam in any given year, then the maximum amount that Water Corporation is permitted to extract from the Millstream Water Reserve Water Supply (Millstream aquifer) that year is 15,000,000 kilolitres. (i) The long term reliable (average) annual allocation for the Millstream Water Reserve Water Supply (groundwater) is estimated to be 6,000,000 kilolitres per year. (i) The Department of Water and Environmental Regulation determines this allocation. (ii) The current allocation limit of the Millstream aquifer is 15,682,500 kilolitres (which includes Millstream groundwater and Harding Dam surface water). This is the Department of Water and Environmental Regulation’s policy on the maximum volume of water able to be licenced for abstraction from the resource. (A) The allocation limit is defined in the Pilbara Groundwater Allocation Plan (2013). This plan is non statutory but guides the licensing process as managed under clauses 5C and 26D of the Rights in Water and Irrigation Act 1914. (j) The Water Corporation is the only organisation with a licensed allocation that exceeds the long term reliable allocation for the Millstream Water Reserve Water Supply – Millstream aquifer. The Corporation can extract water in excess of the long term reliable allocation providing management conditions are met, and Harding Dam cannot be used. (k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(c) [See tabled paper no.] (d) The MAL varies between 293.5 and 293.8 mAHD. The MAL criteria for the Water Year is dependent upon the river flow from the Gregory Gorge gauging station during the previous water year. i. The MAL criteria level is set by DWER. ii. The Water Corporation must comply with the terms and conditions of its water licence. If the MAL goes below criteria then response action is determined in consultation with DWER. iii. Water Corporation is responsible for monitoring MAL. (e) Yes. (i) (A) The Department of Water and Environmental Regulation revised Mean Aquifer Level criteria in the Pilbara Groundwater Allocation Plan (2013). (B) The revised criteria represent a revision to the previous Millstream water management plan (Welker 1998). The revised Mean Aquifer Level aims to maintain historical groundwater levels to maintain ecological function. It takes into account recent high groundwater levels and excludes low groundwater levels that were depleted due to groundwater abstraction. The new criteria are variable and are set each year depending on how much the system was recharged in the previous year. Criteria Welker 1998 criteria Current Department of Water and Environmental Regulation 2013 criteria Details Minimal allowable Mean Aquifer Level 293.10 metres Australian height datum 293.50 metres Australian height datum Mean Aquifer Level 293.1 metres Australian height datum was removed as this level was only reached historically during periods of high abstraction and required high rates of supplementation into the environment. Implemented in years following three or more years of below average recharge Dry Mean Aquifer Level 293.60 metres Australian height datum Implemented in years following below average recharge Average Mean Aquifer Level 293.60 metres Australian height datum 293.80 metres Australian height datum Implemented in years following above average recharge (f) (i) Only the Water Corporation has MAL criteria as part of the terms and conditions of its water licence. If the MAL goes below criteria then the response action by Water Corporation is determined in consultation with DWER . (ii) If MAL exceeds minimum MAL criteria there is a risk that riparian vegetation with direct access to the aquifer will experience a decline in condition. (g) and (g)(i) The following organisations are authorised to extract water from the Millstream aquifer up to their annual allocation: Organisation Annual allocation Water Corporation 15,000,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 300,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 220,000 kilolitres Shire of Ashburton 31,500 kilolitres Fortescue Metals Group Ltd 20,000 kilolitres Rio Tinto Exploration Pty Ltd 100 kilolitres API Management Pty Ltd 1,500 kilolitres (h) In the event that there is zero extraction from Harding dam in any given year, then the maximum amount that Water Corporation is permitted to extract from the Millstream Water Reserve Water Supply (Millstream aquifer) that year is 15,000,000 kilolitres. (i) The long term reliable (average) annual allocation for the Millstream Water Reserve Water Supply (groundwater) is estimated to be 6,000,000 kilolitres per year. (i) The Department of Water and Environmental Regulation determines this allocation. (ii) The current allocation limit of the Millstream aquifer is 15,682,500 kilolitres (which includes Millstream groundwater and Harding Dam surface water). This is the Department of Water and Environmental Regulation’s policy on the maximum volume of water able to be licenced for abstraction from the resource. (A) The allocation limit is defined in the Pilbara Groundwater Allocation Plan (2013). This plan is non statutory but guides the licensing process as managed under clauses 5C and 26D of the Rights in Water and Irrigation Act 1914. (j) The Water Corporation is the only organisation with a licensed allocation that exceeds the long term reliable allocation for the Millstream Water Reserve Water Supply – Millstream aquifer. The Corporation can extract water in excess of the long term reliable allocation providing management conditions are met, and Harding Dam cannot be used. (k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(d) The MAL varies between 293.5 and 293.8 mAHD. The MAL criteria for the Water Year is dependent upon the river flow from the Gregory Gorge gauging station during the previous water year. i. The MAL criteria level is set by DWER. ii. The Water Corporation must comply with the terms and conditions of its water licence. If the MAL goes below criteria then response action is determined in consultation with DWER. iii. Water Corporation is responsible for monitoring MAL. (e) Yes. (i) (A) The Department of Water and Environmental Regulation revised Mean Aquifer Level criteria in the Pilbara Groundwater Allocation Plan (2013). (B) The revised criteria represent a revision to the previous Millstream water management plan (Welker 1998). The revised Mean Aquifer Level aims to maintain historical groundwater levels to maintain ecological function. It takes into account recent high groundwater levels and excludes low groundwater levels that were depleted due to groundwater abstraction. The new criteria are variable and are set each year depending on how much the system was recharged in the previous year. Criteria Welker 1998 criteria Current Department of Water and Environmental Regulation 2013 criteria Details Minimal allowable Mean Aquifer Level 293.10 metres Australian height datum 293.50 metres Australian height datum Mean Aquifer Level 293.1 metres Australian height datum was removed as this level was only reached historically during periods of high abstraction and required high rates of supplementation into the environment. Implemented in years following three or more years of below average recharge Dry Mean Aquifer Level 293.60 metres Australian height datum Implemented in years following below average recharge Average Mean Aquifer Level 293.60 metres Australian height datum 293.80 metres Australian height datum Implemented in years following above average recharge (f) (i) Only the Water Corporation has MAL criteria as part of the terms and conditions of its water licence. If the MAL goes below criteria then the response action by Water Corporation is determined in consultation with DWER . (ii) If MAL exceeds minimum MAL criteria there is a risk that riparian vegetation with direct access to the aquifer will experience a decline in condition. (g) and (g)(i) The following organisations are authorised to extract water from the Millstream aquifer up to their annual allocation: Organisation Annual allocation Water Corporation 15,000,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 300,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 220,000 kilolitres Shire of Ashburton 31,500 kilolitres Fortescue Metals Group Ltd 20,000 kilolitres Rio Tinto Exploration Pty Ltd 100 kilolitres API Management Pty Ltd 1,500 kilolitres (h) In the event that there is zero extraction from Harding dam in any given year, then the maximum amount that Water Corporation is permitted to extract from the Millstream Water Reserve Water Supply (Millstream aquifer) that year is 15,000,000 kilolitres. (i) The long term reliable (average) annual allocation for the Millstream Water Reserve Water Supply (groundwater) is estimated to be 6,000,000 kilolitres per year. (i) The Department of Water and Environmental Regulation determines this allocation. (ii) The current allocation limit of the Millstream aquifer is 15,682,500 kilolitres (which includes Millstream groundwater and Harding Dam surface water). This is the Department of Water and Environmental Regulation’s policy on the maximum volume of water able to be licenced for abstraction from the resource. (A) The allocation limit is defined in the Pilbara Groundwater Allocation Plan (2013). This plan is non statutory but guides the licensing process as managed under clauses 5C and 26D of the Rights in Water and Irrigation Act 1914. (j) The Water Corporation is the only organisation with a licensed allocation that exceeds the long term reliable allocation for the Millstream Water Reserve Water Supply – Millstream aquifer. The Corporation can extract water in excess of the long term reliable allocation providing management conditions are met, and Harding Dam cannot be used. (k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(d) The MAL varies between 293.5 and 293.8 mAHD. The MAL criteria for the Water Year is dependent upon the river flow from the Gregory Gorge gauging station during the previous water year. i. The MAL criteria level is set by DWER. ii. The Water Corporation must comply with the terms and conditions of its water licence. If the MAL goes below criteria then response action is determined in consultation with DWER. iii. Water Corporation is responsible for monitoring MAL. (e) Yes. (i) (A) The Department of Water and Environmental Regulation revised Mean Aquifer Level criteria in the Pilbara Groundwater Allocation Plan (2013). (B) The revised criteria represent a revision to the previous Millstream water management plan (Welker 1998). The revised Mean Aquifer Level aims to maintain historical groundwater levels to maintain ecological function. It takes into account recent high groundwater levels and excludes low groundwater levels that were depleted due to groundwater abstraction. The new criteria are variable and are set each year depending on how much the system was recharged in the previous year. Criteria Welker 1998 criteria Current Department of Water and Environmental Regulation 2013 criteria Details Minimal allowable Mean Aquifer Level 293.10 metres Australian height datum 293.50 metres Australian height datum Mean Aquifer Level 293.1 metres Australian height datum was removed as this level was only reached historically during periods of high abstraction and required high rates of supplementation into the environment. Implemented in years following three or more years of below average recharge Dry Mean Aquifer Level 293.60 metres Australian height datum Implemented in years following below average recharge Average Mean Aquifer Level 293.60 metres Australian height datum 293.80 metres Australian height datum Implemented in years following above average recharge (f) (i) Only the Water Corporation has MAL criteria as part of the terms and conditions of its water licence. If the MAL goes below criteria then the response action by Water Corporation is determined in consultation with DWER . (ii) If MAL exceeds minimum MAL criteria there is a risk that riparian vegetation with direct access to the aquifer will experience a decline in condition. (g) and (g)(i) The following organisations are authorised to extract water from the Millstream aquifer up to their annual allocation: Organisation Annual allocation Water Corporation 15,000,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 300,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 220,000 kilolitres Shire of Ashburton 31,500 kilolitres Fortescue Metals Group Ltd 20,000 kilolitres Rio Tinto Exploration Pty Ltd 100 kilolitres API Management Pty Ltd 1,500 kilolitres (h) In the event that there is zero extraction from Harding dam in any given year, then the maximum amount that Water Corporation is permitted to extract from the Millstream Water Reserve Water Supply (Millstream aquifer) that year is 15,000,000 kilolitres. (i) The long term reliable (average) annual allocation for the Millstream Water Reserve Water Supply (groundwater) is estimated to be 6,000,000 kilolitres per year. (i) The Department of Water and Environmental Regulation determines this allocation. (ii) The current allocation limit of the Millstream aquifer is 15,682,500 kilolitres (which includes Millstream groundwater and Harding Dam surface water). This is the Department of Water and Environmental Regulation’s policy on the maximum volume of water able to be licenced for abstraction from the resource. (A) The allocation limit is defined in the Pilbara Groundwater Allocation Plan (2013). This plan is non statutory but guides the licensing process as managed under clauses 5C and 26D of the Rights in Water and Irrigation Act 1914. (j) The Water Corporation is the only organisation with a licensed allocation that exceeds the long term reliable allocation for the Millstream Water Reserve Water Supply – Millstream aquifer. The Corporation can extract water in excess of the long term reliable allocation providing management conditions are met, and Harding Dam cannot be used. (k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
i. The MAL criteria level is set by DWER. ii. The Water Corporation must comply with the terms and conditions of its water licence. If the MAL goes below criteria then response action is determined in consultation with DWER. iii. Water Corporation is responsible for monitoring MAL. (e) Yes. (i) (A) The Department of Water and Environmental Regulation revised Mean Aquifer Level criteria in the Pilbara Groundwater Allocation Plan (2013). (B) The revised criteria represent a revision to the previous Millstream water management plan (Welker 1998). The revised Mean Aquifer Level aims to maintain historical groundwater levels to maintain ecological function. It takes into account recent high groundwater levels and excludes low groundwater levels that were depleted due to groundwater abstraction. The new criteria are variable and are set each year depending on how much the system was recharged in the previous year. Criteria Welker 1998 criteria Current Department of Water and Environmental Regulation 2013 criteria Details Minimal allowable Mean Aquifer Level 293.10 metres Australian height datum 293.50 metres Australian height datum Mean Aquifer Level 293.1 metres Australian height datum was removed as this level was only reached historically during periods of high abstraction and required high rates of supplementation into the environment. Implemented in years following three or more years of below average recharge Dry Mean Aquifer Level 293.60 metres Australian height datum Implemented in years following below average recharge Average Mean Aquifer Level 293.60 metres Australian height datum 293.80 metres Australian height datum Implemented in years following above average recharge (f) (i) Only the Water Corporation has MAL criteria as part of the terms and conditions of its water licence. If the MAL goes below criteria then the response action by Water Corporation is determined in consultation with DWER . (ii) If MAL exceeds minimum MAL criteria there is a risk that riparian vegetation with direct access to the aquifer will experience a decline in condition. (g) and (g)(i) The following organisations are authorised to extract water from the Millstream aquifer up to their annual allocation: Organisation Annual allocation Water Corporation 15,000,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 300,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 220,000 kilolitres Shire of Ashburton 31,500 kilolitres Fortescue Metals Group Ltd 20,000 kilolitres Rio Tinto Exploration Pty Ltd 100 kilolitres API Management Pty Ltd 1,500 kilolitres (h) In the event that there is zero extraction from Harding dam in any given year, then the maximum amount that Water Corporation is permitted to extract from the Millstream Water Reserve Water Supply (Millstream aquifer) that year is 15,000,000 kilolitres. (i) The long term reliable (average) annual allocation for the Millstream Water Reserve Water Supply (groundwater) is estimated to be 6,000,000 kilolitres per year. (i) The Department of Water and Environmental Regulation determines this allocation. (ii) The current allocation limit of the Millstream aquifer is 15,682,500 kilolitres (which includes Millstream groundwater and Harding Dam surface water). This is the Department of Water and Environmental Regulation’s policy on the maximum volume of water able to be licenced for abstraction from the resource. (A) The allocation limit is defined in the Pilbara Groundwater Allocation Plan (2013). This plan is non statutory but guides the licensing process as managed under clauses 5C and 26D of the Rights in Water and Irrigation Act 1914. (j) The Water Corporation is the only organisation with a licensed allocation that exceeds the long term reliable allocation for the Millstream Water Reserve Water Supply – Millstream aquifer. The Corporation can extract water in excess of the long term reliable allocation providing management conditions are met, and Harding Dam cannot be used. (k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
ii. The Water Corporation must comply with the terms and conditions of its water licence. If the MAL goes below criteria then response action is determined in consultation with DWER. iii. Water Corporation is responsible for monitoring MAL. (e) Yes. (i) (A) The Department of Water and Environmental Regulation revised Mean Aquifer Level criteria in the Pilbara Groundwater Allocation Plan (2013). (B) The revised criteria represent a revision to the previous Millstream water management plan (Welker 1998). The revised Mean Aquifer Level aims to maintain historical groundwater levels to maintain ecological function. It takes into account recent high groundwater levels and excludes low groundwater levels that were depleted due to groundwater abstraction. The new criteria are variable and are set each year depending on how much the system was recharged in the previous year. Criteria Welker 1998 criteria Current Department of Water and Environmental Regulation 2013 criteria Details Minimal allowable Mean Aquifer Level 293.10 metres Australian height datum 293.50 metres Australian height datum Mean Aquifer Level 293.1 metres Australian height datum was removed as this level was only reached historically during periods of high abstraction and required high rates of supplementation into the environment. Implemented in years following three or more years of below average recharge Dry Mean Aquifer Level 293.60 metres Australian height datum Implemented in years following below average recharge Average Mean Aquifer Level 293.60 metres Australian height datum 293.80 metres Australian height datum Implemented in years following above average recharge (f) (i) Only the Water Corporation has MAL criteria as part of the terms and conditions of its water licence. If the MAL goes below criteria then the response action by Water Corporation is determined in consultation with DWER . (ii) If MAL exceeds minimum MAL criteria there is a risk that riparian vegetation with direct access to the aquifer will experience a decline in condition. (g) and (g)(i) The following organisations are authorised to extract water from the Millstream aquifer up to their annual allocation: Organisation Annual allocation Water Corporation 15,000,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 300,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 220,000 kilolitres Shire of Ashburton 31,500 kilolitres Fortescue Metals Group Ltd 20,000 kilolitres Rio Tinto Exploration Pty Ltd 100 kilolitres API Management Pty Ltd 1,500 kilolitres (h) In the event that there is zero extraction from Harding dam in any given year, then the maximum amount that Water Corporation is permitted to extract from the Millstream Water Reserve Water Supply (Millstream aquifer) that year is 15,000,000 kilolitres. (i) The long term reliable (average) annual allocation for the Millstream Water Reserve Water Supply (groundwater) is estimated to be 6,000,000 kilolitres per year. (i) The Department of Water and Environmental Regulation determines this allocation. (ii) The current allocation limit of the Millstream aquifer is 15,682,500 kilolitres (which includes Millstream groundwater and Harding Dam surface water). This is the Department of Water and Environmental Regulation’s policy on the maximum volume of water able to be licenced for abstraction from the resource. (A) The allocation limit is defined in the Pilbara Groundwater Allocation Plan (2013). This plan is non statutory but guides the licensing process as managed under clauses 5C and 26D of the Rights in Water and Irrigation Act 1914. (j) The Water Corporation is the only organisation with a licensed allocation that exceeds the long term reliable allocation for the Millstream Water Reserve Water Supply – Millstream aquifer. The Corporation can extract water in excess of the long term reliable allocation providing management conditions are met, and Harding Dam cannot be used. (k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
iii. Water Corporation is responsible for monitoring MAL. (e) Yes. (i) (A) The Department of Water and Environmental Regulation revised Mean Aquifer Level criteria in the Pilbara Groundwater Allocation Plan (2013). (B) The revised criteria represent a revision to the previous Millstream water management plan (Welker 1998). The revised Mean Aquifer Level aims to maintain historical groundwater levels to maintain ecological function. It takes into account recent high groundwater levels and excludes low groundwater levels that were depleted due to groundwater abstraction. The new criteria are variable and are set each year depending on how much the system was recharged in the previous year. Criteria Welker 1998 criteria Current Department of Water and Environmental Regulation 2013 criteria Details Minimal allowable Mean Aquifer Level 293.10 metres Australian height datum 293.50 metres Australian height datum Mean Aquifer Level 293.1 metres Australian height datum was removed as this level was only reached historically during periods of high abstraction and required high rates of supplementation into the environment. Implemented in years following three or more years of below average recharge Dry Mean Aquifer Level 293.60 metres Australian height datum Implemented in years following below average recharge Average Mean Aquifer Level 293.60 metres Australian height datum 293.80 metres Australian height datum Implemented in years following above average recharge (f) (i) Only the Water Corporation has MAL criteria as part of the terms and conditions of its water licence. If the MAL goes below criteria then the response action by Water Corporation is determined in consultation with DWER . (ii) If MAL exceeds minimum MAL criteria there is a risk that riparian vegetation with direct access to the aquifer will experience a decline in condition. (g) and (g)(i) The following organisations are authorised to extract water from the Millstream aquifer up to their annual allocation: Organisation Annual allocation Water Corporation 15,000,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 300,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 220,000 kilolitres Shire of Ashburton 31,500 kilolitres Fortescue Metals Group Ltd 20,000 kilolitres Rio Tinto Exploration Pty Ltd 100 kilolitres API Management Pty Ltd 1,500 kilolitres (h) In the event that there is zero extraction from Harding dam in any given year, then the maximum amount that Water Corporation is permitted to extract from the Millstream Water Reserve Water Supply (Millstream aquifer) that year is 15,000,000 kilolitres. (i) The long term reliable (average) annual allocation for the Millstream Water Reserve Water Supply (groundwater) is estimated to be 6,000,000 kilolitres per year. (i) The Department of Water and Environmental Regulation determines this allocation. (ii) The current allocation limit of the Millstream aquifer is 15,682,500 kilolitres (which includes Millstream groundwater and Harding Dam surface water). This is the Department of Water and Environmental Regulation’s policy on the maximum volume of water able to be licenced for abstraction from the resource. (A) The allocation limit is defined in the Pilbara Groundwater Allocation Plan (2013). This plan is non statutory but guides the licensing process as managed under clauses 5C and 26D of the Rights in Water and Irrigation Act 1914. (j) The Water Corporation is the only organisation with a licensed allocation that exceeds the long term reliable allocation for the Millstream Water Reserve Water Supply – Millstream aquifer. The Corporation can extract water in excess of the long term reliable allocation providing management conditions are met, and Harding Dam cannot be used. (k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(e) Yes. (i) (A) The Department of Water and Environmental Regulation revised Mean Aquifer Level criteria in the Pilbara Groundwater Allocation Plan (2013). (B) The revised criteria represent a revision to the previous Millstream water management plan (Welker 1998). The revised Mean Aquifer Level aims to maintain historical groundwater levels to maintain ecological function. It takes into account recent high groundwater levels and excludes low groundwater levels that were depleted due to groundwater abstraction. The new criteria are variable and are set each year depending on how much the system was recharged in the previous year. Criteria Welker 1998 criteria Current Department of Water and Environmental Regulation 2013 criteria Details Minimal allowable Mean Aquifer Level 293.10 metres Australian height datum 293.50 metres Australian height datum Mean Aquifer Level 293.1 metres Australian height datum was removed as this level was only reached historically during periods of high abstraction and required high rates of supplementation into the environment. Implemented in years following three or more years of below average recharge Dry Mean Aquifer Level 293.60 metres Australian height datum Implemented in years following below average recharge Average Mean Aquifer Level 293.60 metres Australian height datum 293.80 metres Australian height datum Implemented in years following above average recharge (f) (i) Only the Water Corporation has MAL criteria as part of the terms and conditions of its water licence. If the MAL goes below criteria then the response action by Water Corporation is determined in consultation with DWER . (ii) If MAL exceeds minimum MAL criteria there is a risk that riparian vegetation with direct access to the aquifer will experience a decline in condition. (g) and (g)(i) The following organisations are authorised to extract water from the Millstream aquifer up to their annual allocation: Organisation Annual allocation Water Corporation 15,000,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 300,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 220,000 kilolitres Shire of Ashburton 31,500 kilolitres Fortescue Metals Group Ltd 20,000 kilolitres Rio Tinto Exploration Pty Ltd 100 kilolitres API Management Pty Ltd 1,500 kilolitres (h) In the event that there is zero extraction from Harding dam in any given year, then the maximum amount that Water Corporation is permitted to extract from the Millstream Water Reserve Water Supply (Millstream aquifer) that year is 15,000,000 kilolitres. (i) The long term reliable (average) annual allocation for the Millstream Water Reserve Water Supply (groundwater) is estimated to be 6,000,000 kilolitres per year. (i) The Department of Water and Environmental Regulation determines this allocation. (ii) The current allocation limit of the Millstream aquifer is 15,682,500 kilolitres (which includes Millstream groundwater and Harding Dam surface water). This is the Department of Water and Environmental Regulation’s policy on the maximum volume of water able to be licenced for abstraction from the resource. (A) The allocation limit is defined in the Pilbara Groundwater Allocation Plan (2013). This plan is non statutory but guides the licensing process as managed under clauses 5C and 26D of the Rights in Water and Irrigation Act 1914. (j) The Water Corporation is the only organisation with a licensed allocation that exceeds the long term reliable allocation for the Millstream Water Reserve Water Supply – Millstream aquifer. The Corporation can extract water in excess of the long term reliable allocation providing management conditions are met, and Harding Dam cannot be used. (k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(e) Yes. (i) (A) The Department of Water and Environmental Regulation revised Mean Aquifer Level criteria in the Pilbara Groundwater Allocation Plan (2013). (B) The revised criteria represent a revision to the previous Millstream water management plan (Welker 1998). The revised Mean Aquifer Level aims to maintain historical groundwater levels to maintain ecological function. It takes into account recent high groundwater levels and excludes low groundwater levels that were depleted due to groundwater abstraction. The new criteria are variable and are set each year depending on how much the system was recharged in the previous year. Criteria Welker 1998 criteria Current Department of Water and Environmental Regulation 2013 criteria Details Minimal allowable Mean Aquifer Level 293.10 metres Australian height datum 293.50 metres Australian height datum Mean Aquifer Level 293.1 metres Australian height datum was removed as this level was only reached historically during periods of high abstraction and required high rates of supplementation into the environment. Implemented in years following three or more years of below average recharge Dry Mean Aquifer Level 293.60 metres Australian height datum Implemented in years following below average recharge Average Mean Aquifer Level 293.60 metres Australian height datum 293.80 metres Australian height datum Implemented in years following above average recharge (f) (i) Only the Water Corporation has MAL criteria as part of the terms and conditions of its water licence. If the MAL goes below criteria then the response action by Water Corporation is determined in consultation with DWER . (ii) If MAL exceeds minimum MAL criteria there is a risk that riparian vegetation with direct access to the aquifer will experience a decline in condition. (g) and (g)(i) The following organisations are authorised to extract water from the Millstream aquifer up to their annual allocation: Organisation Annual allocation Water Corporation 15,000,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 300,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 220,000 kilolitres Shire of Ashburton 31,500 kilolitres Fortescue Metals Group Ltd 20,000 kilolitres Rio Tinto Exploration Pty Ltd 100 kilolitres API Management Pty Ltd 1,500 kilolitres (h) In the event that there is zero extraction from Harding dam in any given year, then the maximum amount that Water Corporation is permitted to extract from the Millstream Water Reserve Water Supply (Millstream aquifer) that year is 15,000,000 kilolitres. (i) The long term reliable (average) annual allocation for the Millstream Water Reserve Water Supply (groundwater) is estimated to be 6,000,000 kilolitres per year. (i) The Department of Water and Environmental Regulation determines this allocation. (ii) The current allocation limit of the Millstream aquifer is 15,682,500 kilolitres (which includes Millstream groundwater and Harding Dam surface water). This is the Department of Water and Environmental Regulation’s policy on the maximum volume of water able to be licenced for abstraction from the resource. (A) The allocation limit is defined in the Pilbara Groundwater Allocation Plan (2013). This plan is non statutory but guides the licensing process as managed under clauses 5C and 26D of the Rights in Water and Irrigation Act 1914. (j) The Water Corporation is the only organisation with a licensed allocation that exceeds the long term reliable allocation for the Millstream Water Reserve Water Supply – Millstream aquifer. The Corporation can extract water in excess of the long term reliable allocation providing management conditions are met, and Harding Dam cannot be used. (k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(i) (A) The Department of Water and Environmental Regulation revised Mean Aquifer Level criteria in the Pilbara Groundwater Allocation Plan (2013). (B) The revised criteria represent a revision to the previous Millstream water management plan (Welker 1998). The revised Mean Aquifer Level aims to maintain historical groundwater levels to maintain ecological function. It takes into account recent high groundwater levels and excludes low groundwater levels that were depleted due to groundwater abstraction. The new criteria are variable and are set each year depending on how much the system was recharged in the previous year. Criteria Welker 1998 criteria Current Department of Water and Environmental Regulation 2013 criteria Details Minimal allowable Mean Aquifer Level 293.10 metres Australian height datum 293.50 metres Australian height datum Mean Aquifer Level 293.1 metres Australian height datum was removed as this level was only reached historically during periods of high abstraction and required high rates of supplementation into the environment. Implemented in years following three or more years of below average recharge Dry Mean Aquifer Level 293.60 metres Australian height datum Implemented in years following below average recharge Average Mean Aquifer Level 293.60 metres Australian height datum 293.80 metres Australian height datum Implemented in years following above average recharge (f) (i) Only the Water Corporation has MAL criteria as part of the terms and conditions of its water licence. If the MAL goes below criteria then the response action by Water Corporation is determined in consultation with DWER . (ii) If MAL exceeds minimum MAL criteria there is a risk that riparian vegetation with direct access to the aquifer will experience a decline in condition. (g) and (g)(i) The following organisations are authorised to extract water from the Millstream aquifer up to their annual allocation: Organisation Annual allocation Water Corporation 15,000,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 300,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 220,000 kilolitres Shire of Ashburton 31,500 kilolitres Fortescue Metals Group Ltd 20,000 kilolitres Rio Tinto Exploration Pty Ltd 100 kilolitres API Management Pty Ltd 1,500 kilolitres (h) In the event that there is zero extraction from Harding dam in any given year, then the maximum amount that Water Corporation is permitted to extract from the Millstream Water Reserve Water Supply (Millstream aquifer) that year is 15,000,000 kilolitres. (i) The long term reliable (average) annual allocation for the Millstream Water Reserve Water Supply (groundwater) is estimated to be 6,000,000 kilolitres per year. (i) The Department of Water and Environmental Regulation determines this allocation. (ii) The current allocation limit of the Millstream aquifer is 15,682,500 kilolitres (which includes Millstream groundwater and Harding Dam surface water). This is the Department of Water and Environmental Regulation’s policy on the maximum volume of water able to be licenced for abstraction from the resource. (A) The allocation limit is defined in the Pilbara Groundwater Allocation Plan (2013). This plan is non statutory but guides the licensing process as managed under clauses 5C and 26D of the Rights in Water and Irrigation Act 1914. (j) The Water Corporation is the only organisation with a licensed allocation that exceeds the long term reliable allocation for the Millstream Water Reserve Water Supply – Millstream aquifer. The Corporation can extract water in excess of the long term reliable allocation providing management conditions are met, and Harding Dam cannot be used. (k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(B) The revised criteria represent a revision to the previous Millstream water management plan (Welker 1998). The revised Mean Aquifer Level aims to maintain historical groundwater levels to maintain ecological function. It takes into account recent high groundwater levels and excludes low groundwater levels that were depleted due to groundwater abstraction. The new criteria are variable and are set each year depending on how much the system was recharged in the previous year. Criteria Welker 1998 criteria Current Department of Water and Environmental Regulation 2013 criteria Details Minimal allowable Mean Aquifer Level 293.10 metres Australian height datum 293.50 metres Australian height datum Mean Aquifer Level 293.1 metres Australian height datum was removed as this level was only reached historically during periods of high abstraction and required high rates of supplementation into the environment. Implemented in years following three or more years of below average recharge Dry Mean Aquifer Level 293.60 metres Australian height datum Implemented in years following below average recharge Average Mean Aquifer Level 293.60 metres Australian height datum 293.80 metres Australian height datum Implemented in years following above average recharge (f) (i) Only the Water Corporation has MAL criteria as part of the terms and conditions of its water licence. If the MAL goes below criteria then the response action by Water Corporation is determined in consultation with DWER . (ii) If MAL exceeds minimum MAL criteria there is a risk that riparian vegetation with direct access to the aquifer will experience a decline in condition. (g) and (g)(i) The following organisations are authorised to extract water from the Millstream aquifer up to their annual allocation: Organisation Annual allocation Water Corporation 15,000,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 300,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 220,000 kilolitres Shire of Ashburton 31,500 kilolitres Fortescue Metals Group Ltd 20,000 kilolitres Rio Tinto Exploration Pty Ltd 100 kilolitres API Management Pty Ltd 1,500 kilolitres (h) In the event that there is zero extraction from Harding dam in any given year, then the maximum amount that Water Corporation is permitted to extract from the Millstream Water Reserve Water Supply (Millstream aquifer) that year is 15,000,000 kilolitres. (i) The long term reliable (average) annual allocation for the Millstream Water Reserve Water Supply (groundwater) is estimated to be 6,000,000 kilolitres per year. (i) The Department of Water and Environmental Regulation determines this allocation. (ii) The current allocation limit of the Millstream aquifer is 15,682,500 kilolitres (which includes Millstream groundwater and Harding Dam surface water). This is the Department of Water and Environmental Regulation’s policy on the maximum volume of water able to be licenced for abstraction from the resource. (A) The allocation limit is defined in the Pilbara Groundwater Allocation Plan (2013). This plan is non statutory but guides the licensing process as managed under clauses 5C and 26D of the Rights in Water and Irrigation Act 1914. (j) The Water Corporation is the only organisation with a licensed allocation that exceeds the long term reliable allocation for the Millstream Water Reserve Water Supply – Millstream aquifer. The Corporation can extract water in excess of the long term reliable allocation providing management conditions are met, and Harding Dam cannot be used. (k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
Criteria Welker 1998 criteria Current Department of Water and Environmental Regulation 2013 criteria Details Minimal allowable Mean Aquifer Level 293.10 metres Australian height datum 293.50 metres Australian height datum Mean Aquifer Level 293.1 metres Australian height datum was removed as this level was only reached historically during periods of high abstraction and required high rates of supplementation into the environment. Implemented in years following three or more years of below average recharge Dry Mean Aquifer Level 293.60 metres Australian height datum Implemented in years following below average recharge Average Mean Aquifer Level 293.60 metres Australian height datum 293.80 metres Australian height datum Implemented in years following above average recharge (f) (i) Only the Water Corporation has MAL criteria as part of the terms and conditions of its water licence. If the MAL goes below criteria then the response action by Water Corporation is determined in consultation with DWER . (ii) If MAL exceeds minimum MAL criteria there is a risk that riparian vegetation with direct access to the aquifer will experience a decline in condition. (g) and (g)(i) The following organisations are authorised to extract water from the Millstream aquifer up to their annual allocation: Organisation Annual allocation Water Corporation 15,000,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 300,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 220,000 kilolitres Shire of Ashburton 31,500 kilolitres Fortescue Metals Group Ltd 20,000 kilolitres Rio Tinto Exploration Pty Ltd 100 kilolitres API Management Pty Ltd 1,500 kilolitres (h) In the event that there is zero extraction from Harding dam in any given year, then the maximum amount that Water Corporation is permitted to extract from the Millstream Water Reserve Water Supply (Millstream aquifer) that year is 15,000,000 kilolitres. (i) The long term reliable (average) annual allocation for the Millstream Water Reserve Water Supply (groundwater) is estimated to be 6,000,000 kilolitres per year. (i) The Department of Water and Environmental Regulation determines this allocation. (ii) The current allocation limit of the Millstream aquifer is 15,682,500 kilolitres (which includes Millstream groundwater and Harding Dam surface water). This is the Department of Water and Environmental Regulation’s policy on the maximum volume of water able to be licenced for abstraction from the resource. (A) The allocation limit is defined in the Pilbara Groundwater Allocation Plan (2013). This plan is non statutory but guides the licensing process as managed under clauses 5C and 26D of the Rights in Water and Irrigation Act 1914. (j) The Water Corporation is the only organisation with a licensed allocation that exceeds the long term reliable allocation for the Millstream Water Reserve Water Supply – Millstream aquifer. The Corporation can extract water in excess of the long term reliable allocation providing management conditions are met, and Harding Dam cannot be used. (k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
Criteria Welker 1998 criteria Current Department of Water and Environmental Regulation 2013 criteria Details Minimal allowable Mean Aquifer Level 293.10 metres Australian height datum 293.50 metres Australian height datum Mean Aquifer Level 293.1 metres Australian height datum was removed as this level was only reached historically during periods of high abstraction and required high rates of supplementation into the environment. Implemented in years following three or more years of below average recharge Dry Mean Aquifer Level 293.60 metres Australian height datum Implemented in years following below average recharge Average Mean Aquifer Level 293.60 metres Australian height datum 293.80 metres Australian height datum Implemented in years following above average recharge (f) (i) Only the Water Corporation has MAL criteria as part of the terms and conditions of its water licence. If the MAL goes below criteria then the response action by Water Corporation is determined in consultation with DWER . (ii) If MAL exceeds minimum MAL criteria there is a risk that riparian vegetation with direct access to the aquifer will experience a decline in condition. (g) and (g)(i) The following organisations are authorised to extract water from the Millstream aquifer up to their annual allocation: Organisation Annual allocation Water Corporation 15,000,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 300,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 220,000 kilolitres Shire of Ashburton 31,500 kilolitres Fortescue Metals Group Ltd 20,000 kilolitres Rio Tinto Exploration Pty Ltd 100 kilolitres API Management Pty Ltd 1,500 kilolitres (h) In the event that there is zero extraction from Harding dam in any given year, then the maximum amount that Water Corporation is permitted to extract from the Millstream Water Reserve Water Supply (Millstream aquifer) that year is 15,000,000 kilolitres. (i) The long term reliable (average) annual allocation for the Millstream Water Reserve Water Supply (groundwater) is estimated to be 6,000,000 kilolitres per year. (i) The Department of Water and Environmental Regulation determines this allocation. (ii) The current allocation limit of the Millstream aquifer is 15,682,500 kilolitres (which includes Millstream groundwater and Harding Dam surface water). This is the Department of Water and Environmental Regulation’s policy on the maximum volume of water able to be licenced for abstraction from the resource. (A) The allocation limit is defined in the Pilbara Groundwater Allocation Plan (2013). This plan is non statutory but guides the licensing process as managed under clauses 5C and 26D of the Rights in Water and Irrigation Act 1914. (j) The Water Corporation is the only organisation with a licensed allocation that exceeds the long term reliable allocation for the Millstream Water Reserve Water Supply – Millstream aquifer. The Corporation can extract water in excess of the long term reliable allocation providing management conditions are met, and Harding Dam cannot be used. (k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(f) (i) Only the Water Corporation has MAL criteria as part of the terms and conditions of its water licence. If the MAL goes below criteria then the response action by Water Corporation is determined in consultation with DWER . (ii) If MAL exceeds minimum MAL criteria there is a risk that riparian vegetation with direct access to the aquifer will experience a decline in condition. (g) and (g)(i) The following organisations are authorised to extract water from the Millstream aquifer up to their annual allocation: Organisation Annual allocation Water Corporation 15,000,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 300,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 220,000 kilolitres Shire of Ashburton 31,500 kilolitres Fortescue Metals Group Ltd 20,000 kilolitres Rio Tinto Exploration Pty Ltd 100 kilolitres API Management Pty Ltd 1,500 kilolitres (h) In the event that there is zero extraction from Harding dam in any given year, then the maximum amount that Water Corporation is permitted to extract from the Millstream Water Reserve Water Supply (Millstream aquifer) that year is 15,000,000 kilolitres. (i) The long term reliable (average) annual allocation for the Millstream Water Reserve Water Supply (groundwater) is estimated to be 6,000,000 kilolitres per year. (i) The Department of Water and Environmental Regulation determines this allocation. (ii) The current allocation limit of the Millstream aquifer is 15,682,500 kilolitres (which includes Millstream groundwater and Harding Dam surface water). This is the Department of Water and Environmental Regulation’s policy on the maximum volume of water able to be licenced for abstraction from the resource. (A) The allocation limit is defined in the Pilbara Groundwater Allocation Plan (2013). This plan is non statutory but guides the licensing process as managed under clauses 5C and 26D of the Rights in Water and Irrigation Act 1914. (j) The Water Corporation is the only organisation with a licensed allocation that exceeds the long term reliable allocation for the Millstream Water Reserve Water Supply – Millstream aquifer. The Corporation can extract water in excess of the long term reliable allocation providing management conditions are met, and Harding Dam cannot be used. (k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(i) Only the Water Corporation has MAL criteria as part of the terms and conditions of its water licence. If the MAL goes below criteria then the response action by Water Corporation is determined in consultation with DWER . (ii) If MAL exceeds minimum MAL criteria there is a risk that riparian vegetation with direct access to the aquifer will experience a decline in condition. (g) and (g)(i) The following organisations are authorised to extract water from the Millstream aquifer up to their annual allocation: Organisation Annual allocation Water Corporation 15,000,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 300,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 220,000 kilolitres Shire of Ashburton 31,500 kilolitres Fortescue Metals Group Ltd 20,000 kilolitres Rio Tinto Exploration Pty Ltd 100 kilolitres API Management Pty Ltd 1,500 kilolitres (h) In the event that there is zero extraction from Harding dam in any given year, then the maximum amount that Water Corporation is permitted to extract from the Millstream Water Reserve Water Supply (Millstream aquifer) that year is 15,000,000 kilolitres. (i) The long term reliable (average) annual allocation for the Millstream Water Reserve Water Supply (groundwater) is estimated to be 6,000,000 kilolitres per year. (i) The Department of Water and Environmental Regulation determines this allocation. (ii) The current allocation limit of the Millstream aquifer is 15,682,500 kilolitres (which includes Millstream groundwater and Harding Dam surface water). This is the Department of Water and Environmental Regulation’s policy on the maximum volume of water able to be licenced for abstraction from the resource. (A) The allocation limit is defined in the Pilbara Groundwater Allocation Plan (2013). This plan is non statutory but guides the licensing process as managed under clauses 5C and 26D of the Rights in Water and Irrigation Act 1914. (j) The Water Corporation is the only organisation with a licensed allocation that exceeds the long term reliable allocation for the Millstream Water Reserve Water Supply – Millstream aquifer. The Corporation can extract water in excess of the long term reliable allocation providing management conditions are met, and Harding Dam cannot be used. (k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(ii) If MAL exceeds minimum MAL criteria there is a risk that riparian vegetation with direct access to the aquifer will experience a decline in condition. (g) and (g)(i) The following organisations are authorised to extract water from the Millstream aquifer up to their annual allocation: Organisation Annual allocation Water Corporation 15,000,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 300,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 220,000 kilolitres Shire of Ashburton 31,500 kilolitres Fortescue Metals Group Ltd 20,000 kilolitres Rio Tinto Exploration Pty Ltd 100 kilolitres API Management Pty Ltd 1,500 kilolitres (h) In the event that there is zero extraction from Harding dam in any given year, then the maximum amount that Water Corporation is permitted to extract from the Millstream Water Reserve Water Supply (Millstream aquifer) that year is 15,000,000 kilolitres. (i) The long term reliable (average) annual allocation for the Millstream Water Reserve Water Supply (groundwater) is estimated to be 6,000,000 kilolitres per year. (i) The Department of Water and Environmental Regulation determines this allocation. (ii) The current allocation limit of the Millstream aquifer is 15,682,500 kilolitres (which includes Millstream groundwater and Harding Dam surface water). This is the Department of Water and Environmental Regulation’s policy on the maximum volume of water able to be licenced for abstraction from the resource. (A) The allocation limit is defined in the Pilbara Groundwater Allocation Plan (2013). This plan is non statutory but guides the licensing process as managed under clauses 5C and 26D of the Rights in Water and Irrigation Act 1914. (j) The Water Corporation is the only organisation with a licensed allocation that exceeds the long term reliable allocation for the Millstream Water Reserve Water Supply – Millstream aquifer. The Corporation can extract water in excess of the long term reliable allocation providing management conditions are met, and Harding Dam cannot be used. (k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(g) and (g)(i) The following organisations are authorised to extract water from the Millstream aquifer up to their annual allocation: Organisation Annual allocation Water Corporation 15,000,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 300,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 220,000 kilolitres Shire of Ashburton 31,500 kilolitres Fortescue Metals Group Ltd 20,000 kilolitres Rio Tinto Exploration Pty Ltd 100 kilolitres API Management Pty Ltd 1,500 kilolitres (h) In the event that there is zero extraction from Harding dam in any given year, then the maximum amount that Water Corporation is permitted to extract from the Millstream Water Reserve Water Supply (Millstream aquifer) that year is 15,000,000 kilolitres. (i) The long term reliable (average) annual allocation for the Millstream Water Reserve Water Supply (groundwater) is estimated to be 6,000,000 kilolitres per year. (i) The Department of Water and Environmental Regulation determines this allocation. (ii) The current allocation limit of the Millstream aquifer is 15,682,500 kilolitres (which includes Millstream groundwater and Harding Dam surface water). This is the Department of Water and Environmental Regulation’s policy on the maximum volume of water able to be licenced for abstraction from the resource. (A) The allocation limit is defined in the Pilbara Groundwater Allocation Plan (2013). This plan is non statutory but guides the licensing process as managed under clauses 5C and 26D of the Rights in Water and Irrigation Act 1914. (j) The Water Corporation is the only organisation with a licensed allocation that exceeds the long term reliable allocation for the Millstream Water Reserve Water Supply – Millstream aquifer. The Corporation can extract water in excess of the long term reliable allocation providing management conditions are met, and Harding Dam cannot be used. (k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(g) and (g)(i) The following organisations are authorised to extract water from the Millstream aquifer up to their annual allocation: Organisation Annual allocation Water Corporation 15,000,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 300,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 220,000 kilolitres Shire of Ashburton 31,500 kilolitres Fortescue Metals Group Ltd 20,000 kilolitres Rio Tinto Exploration Pty Ltd 100 kilolitres API Management Pty Ltd 1,500 kilolitres (h) In the event that there is zero extraction from Harding dam in any given year, then the maximum amount that Water Corporation is permitted to extract from the Millstream Water Reserve Water Supply (Millstream aquifer) that year is 15,000,000 kilolitres. (i) The long term reliable (average) annual allocation for the Millstream Water Reserve Water Supply (groundwater) is estimated to be 6,000,000 kilolitres per year. (i) The Department of Water and Environmental Regulation determines this allocation. (ii) The current allocation limit of the Millstream aquifer is 15,682,500 kilolitres (which includes Millstream groundwater and Harding Dam surface water). This is the Department of Water and Environmental Regulation’s policy on the maximum volume of water able to be licenced for abstraction from the resource. (A) The allocation limit is defined in the Pilbara Groundwater Allocation Plan (2013). This plan is non statutory but guides the licensing process as managed under clauses 5C and 26D of the Rights in Water and Irrigation Act 1914. (j) The Water Corporation is the only organisation with a licensed allocation that exceeds the long term reliable allocation for the Millstream Water Reserve Water Supply – Millstream aquifer. The Corporation can extract water in excess of the long term reliable allocation providing management conditions are met, and Harding Dam cannot be used. (k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
Organisation Annual allocation Water Corporation 15,000,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 300,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 220,000 kilolitres Shire of Ashburton 31,500 kilolitres Fortescue Metals Group Ltd 20,000 kilolitres Rio Tinto Exploration Pty Ltd 100 kilolitres API Management Pty Ltd 1,500 kilolitres (h) In the event that there is zero extraction from Harding dam in any given year, then the maximum amount that Water Corporation is permitted to extract from the Millstream Water Reserve Water Supply (Millstream aquifer) that year is 15,000,000 kilolitres. (i) The long term reliable (average) annual allocation for the Millstream Water Reserve Water Supply (groundwater) is estimated to be 6,000,000 kilolitres per year. (i) The Department of Water and Environmental Regulation determines this allocation. (ii) The current allocation limit of the Millstream aquifer is 15,682,500 kilolitres (which includes Millstream groundwater and Harding Dam surface water). This is the Department of Water and Environmental Regulation’s policy on the maximum volume of water able to be licenced for abstraction from the resource. (A) The allocation limit is defined in the Pilbara Groundwater Allocation Plan (2013). This plan is non statutory but guides the licensing process as managed under clauses 5C and 26D of the Rights in Water and Irrigation Act 1914. (j) The Water Corporation is the only organisation with a licensed allocation that exceeds the long term reliable allocation for the Millstream Water Reserve Water Supply – Millstream aquifer. The Corporation can extract water in excess of the long term reliable allocation providing management conditions are met, and Harding Dam cannot be used. (k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
Organisation Annual allocation Water Corporation 15,000,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 300,000 kilolitres Pilbara Iron Company (Services) Pty Ltd 220,000 kilolitres Shire of Ashburton 31,500 kilolitres Fortescue Metals Group Ltd 20,000 kilolitres Rio Tinto Exploration Pty Ltd 100 kilolitres API Management Pty Ltd 1,500 kilolitres (h) In the event that there is zero extraction from Harding dam in any given year, then the maximum amount that Water Corporation is permitted to extract from the Millstream Water Reserve Water Supply (Millstream aquifer) that year is 15,000,000 kilolitres. (i) The long term reliable (average) annual allocation for the Millstream Water Reserve Water Supply (groundwater) is estimated to be 6,000,000 kilolitres per year. (i) The Department of Water and Environmental Regulation determines this allocation. (ii) The current allocation limit of the Millstream aquifer is 15,682,500 kilolitres (which includes Millstream groundwater and Harding Dam surface water). This is the Department of Water and Environmental Regulation’s policy on the maximum volume of water able to be licenced for abstraction from the resource. (A) The allocation limit is defined in the Pilbara Groundwater Allocation Plan (2013). This plan is non statutory but guides the licensing process as managed under clauses 5C and 26D of the Rights in Water and Irrigation Act 1914. (j) The Water Corporation is the only organisation with a licensed allocation that exceeds the long term reliable allocation for the Millstream Water Reserve Water Supply – Millstream aquifer. The Corporation can extract water in excess of the long term reliable allocation providing management conditions are met, and Harding Dam cannot be used. (k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(h) In the event that there is zero extraction from Harding dam in any given year, then the maximum amount that Water Corporation is permitted to extract from the Millstream Water Reserve Water Supply (Millstream aquifer) that year is 15,000,000 kilolitres. (i) The long term reliable (average) annual allocation for the Millstream Water Reserve Water Supply (groundwater) is estimated to be 6,000,000 kilolitres per year. (i) The Department of Water and Environmental Regulation determines this allocation. (ii) The current allocation limit of the Millstream aquifer is 15,682,500 kilolitres (which includes Millstream groundwater and Harding Dam surface water). This is the Department of Water and Environmental Regulation’s policy on the maximum volume of water able to be licenced for abstraction from the resource. (A) The allocation limit is defined in the Pilbara Groundwater Allocation Plan (2013). This plan is non statutory but guides the licensing process as managed under clauses 5C and 26D of the Rights in Water and Irrigation Act 1914. (j) The Water Corporation is the only organisation with a licensed allocation that exceeds the long term reliable allocation for the Millstream Water Reserve Water Supply – Millstream aquifer. The Corporation can extract water in excess of the long term reliable allocation providing management conditions are met, and Harding Dam cannot be used. (k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(i) The long term reliable (average) annual allocation for the Millstream Water Reserve Water Supply (groundwater) is estimated to be 6,000,000 kilolitres per year. (i) The Department of Water and Environmental Regulation determines this allocation. (ii) The current allocation limit of the Millstream aquifer is 15,682,500 kilolitres (which includes Millstream groundwater and Harding Dam surface water). This is the Department of Water and Environmental Regulation’s policy on the maximum volume of water able to be licenced for abstraction from the resource. (A) The allocation limit is defined in the Pilbara Groundwater Allocation Plan (2013). This plan is non statutory but guides the licensing process as managed under clauses 5C and 26D of the Rights in Water and Irrigation Act 1914. (j) The Water Corporation is the only organisation with a licensed allocation that exceeds the long term reliable allocation for the Millstream Water Reserve Water Supply – Millstream aquifer. The Corporation can extract water in excess of the long term reliable allocation providing management conditions are met, and Harding Dam cannot be used. (k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(i) The long term reliable (average) annual allocation for the Millstream Water Reserve Water Supply (groundwater) is estimated to be 6,000,000 kilolitres per year. (i) The Department of Water and Environmental Regulation determines this allocation. (ii) The current allocation limit of the Millstream aquifer is 15,682,500 kilolitres (which includes Millstream groundwater and Harding Dam surface water). This is the Department of Water and Environmental Regulation’s policy on the maximum volume of water able to be licenced for abstraction from the resource. (A) The allocation limit is defined in the Pilbara Groundwater Allocation Plan (2013). This plan is non statutory but guides the licensing process as managed under clauses 5C and 26D of the Rights in Water and Irrigation Act 1914. (j) The Water Corporation is the only organisation with a licensed allocation that exceeds the long term reliable allocation for the Millstream Water Reserve Water Supply – Millstream aquifer. The Corporation can extract water in excess of the long term reliable allocation providing management conditions are met, and Harding Dam cannot be used. (k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(i) The Department of Water and Environmental Regulation determines this allocation. (ii) The current allocation limit of the Millstream aquifer is 15,682,500 kilolitres (which includes Millstream groundwater and Harding Dam surface water). This is the Department of Water and Environmental Regulation’s policy on the maximum volume of water able to be licenced for abstraction from the resource. (A) The allocation limit is defined in the Pilbara Groundwater Allocation Plan (2013). This plan is non statutory but guides the licensing process as managed under clauses 5C and 26D of the Rights in Water and Irrigation Act 1914. (j) The Water Corporation is the only organisation with a licensed allocation that exceeds the long term reliable allocation for the Millstream Water Reserve Water Supply – Millstream aquifer. The Corporation can extract water in excess of the long term reliable allocation providing management conditions are met, and Harding Dam cannot be used. (k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(ii) The current allocation limit of the Millstream aquifer is 15,682,500 kilolitres (which includes Millstream groundwater and Harding Dam surface water). This is the Department of Water and Environmental Regulation’s policy on the maximum volume of water able to be licenced for abstraction from the resource. (A) The allocation limit is defined in the Pilbara Groundwater Allocation Plan (2013). This plan is non statutory but guides the licensing process as managed under clauses 5C and 26D of the Rights in Water and Irrigation Act 1914. (j) The Water Corporation is the only organisation with a licensed allocation that exceeds the long term reliable allocation for the Millstream Water Reserve Water Supply – Millstream aquifer. The Corporation can extract water in excess of the long term reliable allocation providing management conditions are met, and Harding Dam cannot be used. (k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(A) The allocation limit is defined in the Pilbara Groundwater Allocation Plan (2013). This plan is non statutory but guides the licensing process as managed under clauses 5C and 26D of the Rights in Water and Irrigation Act 1914. (j) The Water Corporation is the only organisation with a licensed allocation that exceeds the long term reliable allocation for the Millstream Water Reserve Water Supply – Millstream aquifer. The Corporation can extract water in excess of the long term reliable allocation providing management conditions are met, and Harding Dam cannot be used. (k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(j) The Water Corporation is the only organisation with a licensed allocation that exceeds the long term reliable allocation for the Millstream Water Reserve Water Supply – Millstream aquifer. The Corporation can extract water in excess of the long term reliable allocation providing management conditions are met, and Harding Dam cannot be used. (k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(k) It would be inappropriate to allow the Water Corporation to exceed the long term reliable allocation on an annual basis for the Millstream Water Reserve Water Supply in circumstances where Harding Dam supply is available, or where the aquifer or the ecosystem are stressed. (l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(l) The implications of the licence holder (Water Corporation) exceeding the long term reliable allocation for the Millstream Water Reserve Water Supply are: (i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(i) For other licence holders there are no implications. The Water Corporation borefield is distant from any of the other licensed users and does not impact the ability to take water. (ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(ii) For groundwater dependent vegetation there are no implications as abstraction is conditional on environmental management criteria being met. These criteria are designed to protect groundwater-dependent vegetation. (m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(m) The Department of Biodiversity, Conservation and Attractions and the Department of Water and Environmental Regulation undertake remote sensing vegetation condition analysis. The Water Corporation is required to undertake riparian vegetation monitoring if remote sensing indicates a concerning declining trend in vegetation condition. (n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(n) I table the studies that have been conducted on the health of groundwater-dependent vegetation since 2010: · Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
· Groundwater dependent ecosystems for Millstream: ecological values and issues (Attachment 1) · Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
· Millstream Vegetation monitoring program-Canopy photography baseline survey results (Attachment 2) · Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
· Remote Sensing monitoring has been conducted annually since 2013. This analysis in undertaken by Department of Biodiversity, Conservation and Attractions and reviewed by the Department of Water and Environmental Regulation: o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
o Attachment 3 Millstream Riparian Vegetation 2013 (Attachment 3) o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
o Attachment 4 Millstream Riparian Vegetation 2014 (Attachment 4) o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
o Attachment 5 Millstream Riparian Vegetation 2015 (Attachment 5) o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
o Attachment 6 Millstream Riparian Vegetation 2016 (Attachment 6) o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
o Attachment 7 Millstream Riparian Vegetation 2017 (Attachment 7) o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
o Attachment 8 Millstream Riparian Vegetation 2018 (Attachment 8) o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
o Attachment 9 Millstream Riparian Vegetation 2019 (Attachment 9) · Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
· Attachment 10 Millstream Borefield Vegetation Condition Monitoring Report 2017 (Attachment 10) · Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
· Attachment 11 West Pilbara WSS - Millstream Borefield 2019 Assessment of Vegetation Condition (Attachment 11) [See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
[See tabled paper no.] (o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(o) A majority of the vegetation assessed during the 2019 study were found to be recovering from the impacts of a recent fire. Overall groundwater-dependent vegetation appears to be in good. (p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(p) (i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(i) Water Corporation (ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(ii) The monitoring is conducted every two months (iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(iii) [see tabled paper no.] (q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(q) (i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(i) Bores currently monitored for salinity are; Millstream Bore 1, Millstream Bore 2, Millstream Bore 3, Millstream Bore 4, Millstream Bore 5, Millstream Bore 6 (ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(ii) [See tabled paper no.] (iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(iii) There are maximum Total Dissolved Salts levels specified in the Pilbara Groundwater Allocation Plan (2013) (A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(A) Maintain combined average salinity below 900 milligrams per litre Total Dissolved Salts”. (B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
(B) Exceeding the maximum Total Dissolved Salts has implications for the groundwater-dependent ecosystems and is managed through conditions placed on the water licence should adverse water quality trends be detected.
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