❓ A WA parliamentary question probes the Department of Environment's (DoE) capacity to regulate groundwater levels related to KCGM's tailings dams, specifically questioning the practicality of achieving certain groundwater level targets and the historical context of previous directives.
AnsweredQoN 2954Legislative Council
QuestionView source ↗
I refer to the final KCGM Seepage and Groundwater Management Plan dated September 29 2005, the Department of Environment (DoE) file note titled ‘Note on Reissue of Licence 6420’ dated September 29 2005, and the draft groundwater and seepage management plan dated July 22 2005 -
(1) Can the Minister state why the DoE as the regulator as of September 29 2005, was not capable of determining whether it was practical to reduce groundwater levels caused by seepage from the tailings dams to below four metres ground level on Prospecting Licence 26/3126?
(2) If no to (1), why not?
(3) Is it correct that on or about March 1999, KCGM was directed by the DoE to reduce groundwater levels caused by seepage from the Fimiston I and Fimiston II tailings dams to no less than six metres below ground level to ensure prevention and any further impact on vegetation?
(4) If no to (3), then what specifically were KCGM directed?
(5) If yes to (3), can the Minister explain why the DoE as of September 29 2005, was not capable of determining whether it was practical to reduce groundwater levels caused by the seepage from the tailings dam to below 4 metres on Prospecting Licence 26/3126 and P26/1848?
(1) Can the Minister state why the DoE as the regulator as of September 29 2005, was not capable of determining whether it was practical to reduce groundwater levels caused by seepage from the tailings dams to below four metres ground level on Prospecting Licence 26/3126?
(2) If no to (1), why not?
(3) Is it correct that on or about March 1999, KCGM was directed by the DoE to reduce groundwater levels caused by seepage from the Fimiston I and Fimiston II tailings dams to no less than six metres below ground level to ensure prevention and any further impact on vegetation?
(4) If no to (3), then what specifically were KCGM directed?
(5) If yes to (3), can the Minister explain why the DoE as of September 29 2005, was not capable of determining whether it was practical to reduce groundwater levels caused by the seepage from the tailings dam to below 4 metres on Prospecting Licence 26/3126 and P26/1848?
AnswerView source ↗
Answered
14 March 2006
Responded by
Minister for Education and Training representing the Minister for the Environment
Response time
117 days
The Minister for the Environment; Science has provided the following response: The following information is correct as at 22 December 2005 (1) This issue was raised during conversations between officers of the DoE and Community Reference Group members just prior to the issuing of the license for KCGM Fimiston operations in September 2005. It is worth noting that the DoE advertised the receipt of the application for the new licence on 18 July 2005 and the public comment period closed on 8 August 2005. No submissions were received during this period. The Note on the re-issue of this license made mention of these considerations and noted that historical levels in the area need to be determined including how this impacts on the practicality of implementing such a condition. The Seepage and Groundwater Management Plan was approved by the DoE on 29 September 2005 and incorporated into the license commitments on 30 September 2005. As part of the Seepage and Groundwater Management Plan, KCGM has committed to preparing a draft report on historical levels by 31 January 2006 which will be open for public comment for 3 weeks till 21 February 2006. This will enable a final report on historical levels to be completed by 31 March 2006. This will be used to finalise the ultimate goal of the Seepage and Groundwater Management Plan prior to the annual review of the plan by 31 August 2006 (including 21 day public comment period). (2) Not applicable. (3) The DoE's letter dated 18 March 1999 states that, "In the absence of any scientific data I consider that by maintaining the water at a depth of no less than 6m BGL, vegetation communities present will be protected". It also stated that, "if KCGM can provide some scientific justification for an alternative depth, then this will be considered by the DEP and if warranted, the acceptable level will be amended accordingly." KCGM was requested to have additional measures in place prior to 30 June 1999 to achieve this reduction. Please note that the letter says that the 6 metre target was only suggested for the, "central floodway area". KCGM responded to this in a letter dated 24 May 1999 detailing the plan to install additional monitoring bores etc. KCGM also stated that, "Our investigations, which are ongoing, suggest that levels of two to four metres below ground level will adequately protect root zones". KCGM committed to further discussions with the DoE regarding this matter. (4) Not applicable. (5) The DoE attained a voluntary commitment from KCGM to stabilise groundwater levels, with an internal management target for groundwater levels of 4m and 6m below ground level. These internal management targets have been formalised in the Seepage and Groundwater Management Plan amongst a range of other objectives and frameworks as outlined in Question on Notice 2885 (1) & (5). The considerations that the DoE needed make prior to imposing this condition are outlined in (1).
The following information is correct as at 22 December 2005 (1) This issue was raised during conversations between officers of the DoE and Community Reference Group members just prior to the issuing of the license for KCGM Fimiston operations in September 2005. It is worth noting that the DoE advertised the receipt of the application for the new licence on 18 July 2005 and the public comment period closed on 8 August 2005. No submissions were received during this period. The Note on the re-issue of this license made mention of these considerations and noted that historical levels in the area need to be determined including how this impacts on the practicality of implementing such a condition. The Seepage and Groundwater Management Plan was approved by the DoE on 29 September 2005 and incorporated into the license commitments on 30 September 2005. As part of the Seepage and Groundwater Management Plan, KCGM has committed to preparing a draft report on historical levels by 31 January 2006 which will be open for public comment for 3 weeks till 21 February 2006. This will enable a final report on historical levels to be completed by 31 March 2006. This will be used to finalise the ultimate goal of the Seepage and Groundwater Management Plan prior to the annual review of the plan by 31 August 2006 (including 21 day public comment period). (2) Not applicable. (3) The DoE's letter dated 18 March 1999 states that, "In the absence of any scientific data I consider that by maintaining the water at a depth of no less than 6m BGL, vegetation communities present will be protected". It also stated that, "if KCGM can provide some scientific justification for an alternative depth, then this will be considered by the DEP and if warranted, the acceptable level will be amended accordingly." KCGM was requested to have additional measures in place prior to 30 June 1999 to achieve this reduction. Please note that the letter says that the 6 metre target was only suggested for the, "central floodway area". KCGM responded to this in a letter dated 24 May 1999 detailing the plan to install additional monitoring bores etc. KCGM also stated that, "Our investigations, which are ongoing, suggest that levels of two to four metres below ground level will adequately protect root zones". KCGM committed to further discussions with the DoE regarding this matter. (4) Not applicable. (5) The DoE attained a voluntary commitment from KCGM to stabilise groundwater levels, with an internal management target for groundwater levels of 4m and 6m below ground level. These internal management targets have been formalised in the Seepage and Groundwater Management Plan amongst a range of other objectives and frameworks as outlined in Question on Notice 2885 (1) & (5). The considerations that the DoE needed make prior to imposing this condition are outlined in (1).
(1) This issue was raised during conversations between officers of the DoE and Community Reference Group members just prior to the issuing of the license for KCGM Fimiston operations in September 2005. It is worth noting that the DoE advertised the receipt of the application for the new licence on 18 July 2005 and the public comment period closed on 8 August 2005. No submissions were received during this period. The Note on the re-issue of this license made mention of these considerations and noted that historical levels in the area need to be determined including how this impacts on the practicality of implementing such a condition. The Seepage and Groundwater Management Plan was approved by the DoE on 29 September 2005 and incorporated into the license commitments on 30 September 2005. As part of the Seepage and Groundwater Management Plan, KCGM has committed to preparing a draft report on historical levels by 31 January 2006 which will be open for public comment for 3 weeks till 21 February 2006. This will enable a final report on historical levels to be completed by 31 March 2006. This will be used to finalise the ultimate goal of the Seepage and Groundwater Management Plan prior to the annual review of the plan by 31 August 2006 (including 21 day public comment period). (2) Not applicable. (3) The DoE's letter dated 18 March 1999 states that, "In the absence of any scientific data I consider that by maintaining the water at a depth of no less than 6m BGL, vegetation communities present will be protected". It also stated that, "if KCGM can provide some scientific justification for an alternative depth, then this will be considered by the DEP and if warranted, the acceptable level will be amended accordingly." KCGM was requested to have additional measures in place prior to 30 June 1999 to achieve this reduction. Please note that the letter says that the 6 metre target was only suggested for the, "central floodway area". KCGM responded to this in a letter dated 24 May 1999 detailing the plan to install additional monitoring bores etc. KCGM also stated that, "Our investigations, which are ongoing, suggest that levels of two to four metres below ground level will adequately protect root zones". KCGM committed to further discussions with the DoE regarding this matter. (4) Not applicable. (5) The DoE attained a voluntary commitment from KCGM to stabilise groundwater levels, with an internal management target for groundwater levels of 4m and 6m below ground level. These internal management targets have been formalised in the Seepage and Groundwater Management Plan amongst a range of other objectives and frameworks as outlined in Question on Notice 2885 (1) & (5). The considerations that the DoE needed make prior to imposing this condition are outlined in (1).
The Note on the re-issue of this license made mention of these considerations and noted that historical levels in the area need to be determined including how this impacts on the practicality of implementing such a condition. The Seepage and Groundwater Management Plan was approved by the DoE on 29 September 2005 and incorporated into the license commitments on 30 September 2005. As part of the Seepage and Groundwater Management Plan, KCGM has committed to preparing a draft report on historical levels by 31 January 2006 which will be open for public comment for 3 weeks till 21 February 2006. This will enable a final report on historical levels to be completed by 31 March 2006. This will be used to finalise the ultimate goal of the Seepage and Groundwater Management Plan prior to the annual review of the plan by 31 August 2006 (including 21 day public comment period). (2) Not applicable. (3) The DoE's letter dated 18 March 1999 states that, "In the absence of any scientific data I consider that by maintaining the water at a depth of no less than 6m BGL, vegetation communities present will be protected". It also stated that, "if KCGM can provide some scientific justification for an alternative depth, then this will be considered by the DEP and if warranted, the acceptable level will be amended accordingly." KCGM was requested to have additional measures in place prior to 30 June 1999 to achieve this reduction. Please note that the letter says that the 6 metre target was only suggested for the, "central floodway area". KCGM responded to this in a letter dated 24 May 1999 detailing the plan to install additional monitoring bores etc. KCGM also stated that, "Our investigations, which are ongoing, suggest that levels of two to four metres below ground level will adequately protect root zones". KCGM committed to further discussions with the DoE regarding this matter. (4) Not applicable. (5) The DoE attained a voluntary commitment from KCGM to stabilise groundwater levels, with an internal management target for groundwater levels of 4m and 6m below ground level. These internal management targets have been formalised in the Seepage and Groundwater Management Plan amongst a range of other objectives and frameworks as outlined in Question on Notice 2885 (1) & (5). The considerations that the DoE needed make prior to imposing this condition are outlined in (1).
The Seepage and Groundwater Management Plan was approved by the DoE on 29 September 2005 and incorporated into the license commitments on 30 September 2005. As part of the Seepage and Groundwater Management Plan, KCGM has committed to preparing a draft report on historical levels by 31 January 2006 which will be open for public comment for 3 weeks till 21 February 2006. This will enable a final report on historical levels to be completed by 31 March 2006. This will be used to finalise the ultimate goal of the Seepage and Groundwater Management Plan prior to the annual review of the plan by 31 August 2006 (including 21 day public comment period). (2) Not applicable. (3) The DoE's letter dated 18 March 1999 states that, "In the absence of any scientific data I consider that by maintaining the water at a depth of no less than 6m BGL, vegetation communities present will be protected". It also stated that, "if KCGM can provide some scientific justification for an alternative depth, then this will be considered by the DEP and if warranted, the acceptable level will be amended accordingly." KCGM was requested to have additional measures in place prior to 30 June 1999 to achieve this reduction. Please note that the letter says that the 6 metre target was only suggested for the, "central floodway area". KCGM responded to this in a letter dated 24 May 1999 detailing the plan to install additional monitoring bores etc. KCGM also stated that, "Our investigations, which are ongoing, suggest that levels of two to four metres below ground level will adequately protect root zones". KCGM committed to further discussions with the DoE regarding this matter. (4) Not applicable. (5) The DoE attained a voluntary commitment from KCGM to stabilise groundwater levels, with an internal management target for groundwater levels of 4m and 6m below ground level. These internal management targets have been formalised in the Seepage and Groundwater Management Plan amongst a range of other objectives and frameworks as outlined in Question on Notice 2885 (1) & (5). The considerations that the DoE needed make prior to imposing this condition are outlined in (1).
(2) Not applicable. (3) The DoE's letter dated 18 March 1999 states that, "In the absence of any scientific data I consider that by maintaining the water at a depth of no less than 6m BGL, vegetation communities present will be protected". It also stated that, "if KCGM can provide some scientific justification for an alternative depth, then this will be considered by the DEP and if warranted, the acceptable level will be amended accordingly." KCGM was requested to have additional measures in place prior to 30 June 1999 to achieve this reduction. Please note that the letter says that the 6 metre target was only suggested for the, "central floodway area". KCGM responded to this in a letter dated 24 May 1999 detailing the plan to install additional monitoring bores etc. KCGM also stated that, "Our investigations, which are ongoing, suggest that levels of two to four metres below ground level will adequately protect root zones". KCGM committed to further discussions with the DoE regarding this matter. (4) Not applicable. (5) The DoE attained a voluntary commitment from KCGM to stabilise groundwater levels, with an internal management target for groundwater levels of 4m and 6m below ground level. These internal management targets have been formalised in the Seepage and Groundwater Management Plan amongst a range of other objectives and frameworks as outlined in Question on Notice 2885 (1) & (5). The considerations that the DoE needed make prior to imposing this condition are outlined in (1).
(3) The DoE's letter dated 18 March 1999 states that, "In the absence of any scientific data I consider that by maintaining the water at a depth of no less than 6m BGL, vegetation communities present will be protected". It also stated that, "if KCGM can provide some scientific justification for an alternative depth, then this will be considered by the DEP and if warranted, the acceptable level will be amended accordingly." KCGM was requested to have additional measures in place prior to 30 June 1999 to achieve this reduction. Please note that the letter says that the 6 metre target was only suggested for the, "central floodway area". KCGM responded to this in a letter dated 24 May 1999 detailing the plan to install additional monitoring bores etc. KCGM also stated that, "Our investigations, which are ongoing, suggest that levels of two to four metres below ground level will adequately protect root zones". KCGM committed to further discussions with the DoE regarding this matter. (4) Not applicable. (5) The DoE attained a voluntary commitment from KCGM to stabilise groundwater levels, with an internal management target for groundwater levels of 4m and 6m below ground level. These internal management targets have been formalised in the Seepage and Groundwater Management Plan amongst a range of other objectives and frameworks as outlined in Question on Notice 2885 (1) & (5). The considerations that the DoE needed make prior to imposing this condition are outlined in (1).
(4) Not applicable. (5) The DoE attained a voluntary commitment from KCGM to stabilise groundwater levels, with an internal management target for groundwater levels of 4m and 6m below ground level. These internal management targets have been formalised in the Seepage and Groundwater Management Plan amongst a range of other objectives and frameworks as outlined in Question on Notice 2885 (1) & (5). The considerations that the DoE needed make prior to imposing this condition are outlined in (1).
(5) The DoE attained a voluntary commitment from KCGM to stabilise groundwater levels, with an internal management target for groundwater levels of 4m and 6m below ground level. These internal management targets have been formalised in the Seepage and Groundwater Management Plan amongst a range of other objectives and frameworks as outlined in Question on Notice 2885 (1) & (5). The considerations that the DoE needed make prior to imposing this condition are outlined in (1).
The following information is correct as at 22 December 2005 (1) This issue was raised during conversations between officers of the DoE and Community Reference Group members just prior to the issuing of the license for KCGM Fimiston operations in September 2005. It is worth noting that the DoE advertised the receipt of the application for the new licence on 18 July 2005 and the public comment period closed on 8 August 2005. No submissions were received during this period. The Note on the re-issue of this license made mention of these considerations and noted that historical levels in the area need to be determined including how this impacts on the practicality of implementing such a condition. The Seepage and Groundwater Management Plan was approved by the DoE on 29 September 2005 and incorporated into the license commitments on 30 September 2005. As part of the Seepage and Groundwater Management Plan, KCGM has committed to preparing a draft report on historical levels by 31 January 2006 which will be open for public comment for 3 weeks till 21 February 2006. This will enable a final report on historical levels to be completed by 31 March 2006. This will be used to finalise the ultimate goal of the Seepage and Groundwater Management Plan prior to the annual review of the plan by 31 August 2006 (including 21 day public comment period). (2) Not applicable. (3) The DoE's letter dated 18 March 1999 states that, "In the absence of any scientific data I consider that by maintaining the water at a depth of no less than 6m BGL, vegetation communities present will be protected". It also stated that, "if KCGM can provide some scientific justification for an alternative depth, then this will be considered by the DEP and if warranted, the acceptable level will be amended accordingly." KCGM was requested to have additional measures in place prior to 30 June 1999 to achieve this reduction. Please note that the letter says that the 6 metre target was only suggested for the, "central floodway area". KCGM responded to this in a letter dated 24 May 1999 detailing the plan to install additional monitoring bores etc. KCGM also stated that, "Our investigations, which are ongoing, suggest that levels of two to four metres below ground level will adequately protect root zones". KCGM committed to further discussions with the DoE regarding this matter. (4) Not applicable. (5) The DoE attained a voluntary commitment from KCGM to stabilise groundwater levels, with an internal management target for groundwater levels of 4m and 6m below ground level. These internal management targets have been formalised in the Seepage and Groundwater Management Plan amongst a range of other objectives and frameworks as outlined in Question on Notice 2885 (1) & (5). The considerations that the DoE needed make prior to imposing this condition are outlined in (1).
(1) This issue was raised during conversations between officers of the DoE and Community Reference Group members just prior to the issuing of the license for KCGM Fimiston operations in September 2005. It is worth noting that the DoE advertised the receipt of the application for the new licence on 18 July 2005 and the public comment period closed on 8 August 2005. No submissions were received during this period. The Note on the re-issue of this license made mention of these considerations and noted that historical levels in the area need to be determined including how this impacts on the practicality of implementing such a condition. The Seepage and Groundwater Management Plan was approved by the DoE on 29 September 2005 and incorporated into the license commitments on 30 September 2005. As part of the Seepage and Groundwater Management Plan, KCGM has committed to preparing a draft report on historical levels by 31 January 2006 which will be open for public comment for 3 weeks till 21 February 2006. This will enable a final report on historical levels to be completed by 31 March 2006. This will be used to finalise the ultimate goal of the Seepage and Groundwater Management Plan prior to the annual review of the plan by 31 August 2006 (including 21 day public comment period). (2) Not applicable. (3) The DoE's letter dated 18 March 1999 states that, "In the absence of any scientific data I consider that by maintaining the water at a depth of no less than 6m BGL, vegetation communities present will be protected". It also stated that, "if KCGM can provide some scientific justification for an alternative depth, then this will be considered by the DEP and if warranted, the acceptable level will be amended accordingly." KCGM was requested to have additional measures in place prior to 30 June 1999 to achieve this reduction. Please note that the letter says that the 6 metre target was only suggested for the, "central floodway area". KCGM responded to this in a letter dated 24 May 1999 detailing the plan to install additional monitoring bores etc. KCGM also stated that, "Our investigations, which are ongoing, suggest that levels of two to four metres below ground level will adequately protect root zones". KCGM committed to further discussions with the DoE regarding this matter. (4) Not applicable. (5) The DoE attained a voluntary commitment from KCGM to stabilise groundwater levels, with an internal management target for groundwater levels of 4m and 6m below ground level. These internal management targets have been formalised in the Seepage and Groundwater Management Plan amongst a range of other objectives and frameworks as outlined in Question on Notice 2885 (1) & (5). The considerations that the DoE needed make prior to imposing this condition are outlined in (1).
The Note on the re-issue of this license made mention of these considerations and noted that historical levels in the area need to be determined including how this impacts on the practicality of implementing such a condition. The Seepage and Groundwater Management Plan was approved by the DoE on 29 September 2005 and incorporated into the license commitments on 30 September 2005. As part of the Seepage and Groundwater Management Plan, KCGM has committed to preparing a draft report on historical levels by 31 January 2006 which will be open for public comment for 3 weeks till 21 February 2006. This will enable a final report on historical levels to be completed by 31 March 2006. This will be used to finalise the ultimate goal of the Seepage and Groundwater Management Plan prior to the annual review of the plan by 31 August 2006 (including 21 day public comment period). (2) Not applicable. (3) The DoE's letter dated 18 March 1999 states that, "In the absence of any scientific data I consider that by maintaining the water at a depth of no less than 6m BGL, vegetation communities present will be protected". It also stated that, "if KCGM can provide some scientific justification for an alternative depth, then this will be considered by the DEP and if warranted, the acceptable level will be amended accordingly." KCGM was requested to have additional measures in place prior to 30 June 1999 to achieve this reduction. Please note that the letter says that the 6 metre target was only suggested for the, "central floodway area". KCGM responded to this in a letter dated 24 May 1999 detailing the plan to install additional monitoring bores etc. KCGM also stated that, "Our investigations, which are ongoing, suggest that levels of two to four metres below ground level will adequately protect root zones". KCGM committed to further discussions with the DoE regarding this matter. (4) Not applicable. (5) The DoE attained a voluntary commitment from KCGM to stabilise groundwater levels, with an internal management target for groundwater levels of 4m and 6m below ground level. These internal management targets have been formalised in the Seepage and Groundwater Management Plan amongst a range of other objectives and frameworks as outlined in Question on Notice 2885 (1) & (5). The considerations that the DoE needed make prior to imposing this condition are outlined in (1).
The Seepage and Groundwater Management Plan was approved by the DoE on 29 September 2005 and incorporated into the license commitments on 30 September 2005. As part of the Seepage and Groundwater Management Plan, KCGM has committed to preparing a draft report on historical levels by 31 January 2006 which will be open for public comment for 3 weeks till 21 February 2006. This will enable a final report on historical levels to be completed by 31 March 2006. This will be used to finalise the ultimate goal of the Seepage and Groundwater Management Plan prior to the annual review of the plan by 31 August 2006 (including 21 day public comment period). (2) Not applicable. (3) The DoE's letter dated 18 March 1999 states that, "In the absence of any scientific data I consider that by maintaining the water at a depth of no less than 6m BGL, vegetation communities present will be protected". It also stated that, "if KCGM can provide some scientific justification for an alternative depth, then this will be considered by the DEP and if warranted, the acceptable level will be amended accordingly." KCGM was requested to have additional measures in place prior to 30 June 1999 to achieve this reduction. Please note that the letter says that the 6 metre target was only suggested for the, "central floodway area". KCGM responded to this in a letter dated 24 May 1999 detailing the plan to install additional monitoring bores etc. KCGM also stated that, "Our investigations, which are ongoing, suggest that levels of two to four metres below ground level will adequately protect root zones". KCGM committed to further discussions with the DoE regarding this matter. (4) Not applicable. (5) The DoE attained a voluntary commitment from KCGM to stabilise groundwater levels, with an internal management target for groundwater levels of 4m and 6m below ground level. These internal management targets have been formalised in the Seepage and Groundwater Management Plan amongst a range of other objectives and frameworks as outlined in Question on Notice 2885 (1) & (5). The considerations that the DoE needed make prior to imposing this condition are outlined in (1).
(2) Not applicable. (3) The DoE's letter dated 18 March 1999 states that, "In the absence of any scientific data I consider that by maintaining the water at a depth of no less than 6m BGL, vegetation communities present will be protected". It also stated that, "if KCGM can provide some scientific justification for an alternative depth, then this will be considered by the DEP and if warranted, the acceptable level will be amended accordingly." KCGM was requested to have additional measures in place prior to 30 June 1999 to achieve this reduction. Please note that the letter says that the 6 metre target was only suggested for the, "central floodway area". KCGM responded to this in a letter dated 24 May 1999 detailing the plan to install additional monitoring bores etc. KCGM also stated that, "Our investigations, which are ongoing, suggest that levels of two to four metres below ground level will adequately protect root zones". KCGM committed to further discussions with the DoE regarding this matter. (4) Not applicable. (5) The DoE attained a voluntary commitment from KCGM to stabilise groundwater levels, with an internal management target for groundwater levels of 4m and 6m below ground level. These internal management targets have been formalised in the Seepage and Groundwater Management Plan amongst a range of other objectives and frameworks as outlined in Question on Notice 2885 (1) & (5). The considerations that the DoE needed make prior to imposing this condition are outlined in (1).
(3) The DoE's letter dated 18 March 1999 states that, "In the absence of any scientific data I consider that by maintaining the water at a depth of no less than 6m BGL, vegetation communities present will be protected". It also stated that, "if KCGM can provide some scientific justification for an alternative depth, then this will be considered by the DEP and if warranted, the acceptable level will be amended accordingly." KCGM was requested to have additional measures in place prior to 30 June 1999 to achieve this reduction. Please note that the letter says that the 6 metre target was only suggested for the, "central floodway area". KCGM responded to this in a letter dated 24 May 1999 detailing the plan to install additional monitoring bores etc. KCGM also stated that, "Our investigations, which are ongoing, suggest that levels of two to four metres below ground level will adequately protect root zones". KCGM committed to further discussions with the DoE regarding this matter. (4) Not applicable. (5) The DoE attained a voluntary commitment from KCGM to stabilise groundwater levels, with an internal management target for groundwater levels of 4m and 6m below ground level. These internal management targets have been formalised in the Seepage and Groundwater Management Plan amongst a range of other objectives and frameworks as outlined in Question on Notice 2885 (1) & (5). The considerations that the DoE needed make prior to imposing this condition are outlined in (1).
(4) Not applicable. (5) The DoE attained a voluntary commitment from KCGM to stabilise groundwater levels, with an internal management target for groundwater levels of 4m and 6m below ground level. These internal management targets have been formalised in the Seepage and Groundwater Management Plan amongst a range of other objectives and frameworks as outlined in Question on Notice 2885 (1) & (5). The considerations that the DoE needed make prior to imposing this condition are outlined in (1).
(5) The DoE attained a voluntary commitment from KCGM to stabilise groundwater levels, with an internal management target for groundwater levels of 4m and 6m below ground level. These internal management targets have been formalised in the Seepage and Groundwater Management Plan amongst a range of other objectives and frameworks as outlined in Question on Notice 2885 (1) & (5). The considerations that the DoE needed make prior to imposing this condition are outlined in (1).
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