❓ A WA parliamentary question inquires about the Water and Rivers Commission's assessment of diverting stormwater runoff from Mounts Bay Road into detention ponds at the Mitchell Freeway interchange and the circumstances for stormwater detention ponds in subdivision developments. The Minister responded that no assessment had been undertaken due to low priority and outlined the current practice for stormwater detention in subdivisions.
AnsweredQoN 313Legislative Assembly
QuestionView source ↗
(1) Has the Water and Rivers Commission (WRC) undertaken an assessment of the environmental advantages for the Swan River in diverting stormwater runoff from Mounts Bay Road into detention ponds at the Mitchell Freeway interchange? (2) If not, why not? (3) If yes to (1), what was the outcome of the investigation? (4) Has the WRC undertaken an assessment of the costs of diverting stormwater runoff from Mounts Bay Road into detention ponds at the Mitchell Freeway interchange? (5) If yes, what was the result of that investigation? (6) Under what circumstances would it be considered appropriate for subdivision developments to include stormwater detention ponds as a part of the development? Answered on 5 September 2000 The Minister
AnswerView source ↗
Answered
5 September 2000
Response time
27 days
(1) No. (2) It is a relatively low priority considering this catchment is not a main source for pollutants entering the Swan River. (3) Not applicable. (4) No. (5) Not applicable. (6) Stormwater detention ponds are recommended on subdivisions to slow or detain the movement of water down gradient. Current practice is to try to incorporate detention basins in subdivisions as part of water sensitive urban design in most large subdivisions.
(2) If not, why not? (3) If yes to (1), what was the outcome of the investigation? (4) Has the WRC undertaken an assessment of the costs of diverting stormwater runoff from Mounts Bay Road into detention ponds at the Mitchell Freeway interchange? (5) If yes, what was the result of that investigation? (6) Under what circumstances would it be considered appropriate for subdivision developments to include stormwater detention ponds as a part of the development? Answered on 5 September 2000 The Minister Replied: (1) No. (2) It is a relatively low priority considering this catchment is not a main source for pollutants entering the Swan River. (3) Not applicable. (4) No. (5) Not applicable. (6) Stormwater detention ponds are recommended on subdivisions to slow or detain the movement of water down gradient. Current practice is to try to incorporate detention basins in subdivisions as part of water sensitive urban design in most large subdivisions.
(3) If yes to (1), what was the outcome of the investigation? (4) Has the WRC undertaken an assessment of the costs of diverting stormwater runoff from Mounts Bay Road into detention ponds at the Mitchell Freeway interchange? (5) If yes, what was the result of that investigation? (6) Under what circumstances would it be considered appropriate for subdivision developments to include stormwater detention ponds as a part of the development? Answered on 5 September 2000 The Minister Replied: (1) No. (2) It is a relatively low priority considering this catchment is not a main source for pollutants entering the Swan River. (3) Not applicable. (4) No. (5) Not applicable. (6) Stormwater detention ponds are recommended on subdivisions to slow or detain the movement of water down gradient. Current practice is to try to incorporate detention basins in subdivisions as part of water sensitive urban design in most large subdivisions.
(4) Has the WRC undertaken an assessment of the costs of diverting stormwater runoff from Mounts Bay Road into detention ponds at the Mitchell Freeway interchange? (5) If yes, what was the result of that investigation? (6) Under what circumstances would it be considered appropriate for subdivision developments to include stormwater detention ponds as a part of the development? Answered on 5 September 2000 The Minister Replied: (1) No. (2) It is a relatively low priority considering this catchment is not a main source for pollutants entering the Swan River. (3) Not applicable. (4) No. (5) Not applicable. (6) Stormwater detention ponds are recommended on subdivisions to slow or detain the movement of water down gradient. Current practice is to try to incorporate detention basins in subdivisions as part of water sensitive urban design in most large subdivisions.
(5) If yes, what was the result of that investigation? (6) Under what circumstances would it be considered appropriate for subdivision developments to include stormwater detention ponds as a part of the development? Answered on 5 September 2000 The Minister Replied: (1) No. (2) It is a relatively low priority considering this catchment is not a main source for pollutants entering the Swan River. (3) Not applicable. (4) No. (5) Not applicable. (6) Stormwater detention ponds are recommended on subdivisions to slow or detain the movement of water down gradient. Current practice is to try to incorporate detention basins in subdivisions as part of water sensitive urban design in most large subdivisions.
(6) Under what circumstances would it be considered appropriate for subdivision developments to include stormwater detention ponds as a part of the development? Answered on 5 September 2000 The Minister Replied: (1) No. (2) It is a relatively low priority considering this catchment is not a main source for pollutants entering the Swan River. (3) Not applicable. (4) No. (5) Not applicable. (6) Stormwater detention ponds are recommended on subdivisions to slow or detain the movement of water down gradient. Current practice is to try to incorporate detention basins in subdivisions as part of water sensitive urban design in most large subdivisions.
Answered on 5 September 2000 The Minister Replied: (1) No. (2) It is a relatively low priority considering this catchment is not a main source for pollutants entering the Swan River. (3) Not applicable. (4) No. (5) Not applicable. (6) Stormwater detention ponds are recommended on subdivisions to slow or detain the movement of water down gradient. Current practice is to try to incorporate detention basins in subdivisions as part of water sensitive urban design in most large subdivisions.
(2) If not, why not? (3) If yes to (1), what was the outcome of the investigation? (4) Has the WRC undertaken an assessment of the costs of diverting stormwater runoff from Mounts Bay Road into detention ponds at the Mitchell Freeway interchange? (5) If yes, what was the result of that investigation? (6) Under what circumstances would it be considered appropriate for subdivision developments to include stormwater detention ponds as a part of the development? Answered on 5 September 2000 The Minister Replied: (1) No. (2) It is a relatively low priority considering this catchment is not a main source for pollutants entering the Swan River. (3) Not applicable. (4) No. (5) Not applicable. (6) Stormwater detention ponds are recommended on subdivisions to slow or detain the movement of water down gradient. Current practice is to try to incorporate detention basins in subdivisions as part of water sensitive urban design in most large subdivisions.
(3) If yes to (1), what was the outcome of the investigation? (4) Has the WRC undertaken an assessment of the costs of diverting stormwater runoff from Mounts Bay Road into detention ponds at the Mitchell Freeway interchange? (5) If yes, what was the result of that investigation? (6) Under what circumstances would it be considered appropriate for subdivision developments to include stormwater detention ponds as a part of the development? Answered on 5 September 2000 The Minister Replied: (1) No. (2) It is a relatively low priority considering this catchment is not a main source for pollutants entering the Swan River. (3) Not applicable. (4) No. (5) Not applicable. (6) Stormwater detention ponds are recommended on subdivisions to slow or detain the movement of water down gradient. Current practice is to try to incorporate detention basins in subdivisions as part of water sensitive urban design in most large subdivisions.
(4) Has the WRC undertaken an assessment of the costs of diverting stormwater runoff from Mounts Bay Road into detention ponds at the Mitchell Freeway interchange? (5) If yes, what was the result of that investigation? (6) Under what circumstances would it be considered appropriate for subdivision developments to include stormwater detention ponds as a part of the development? Answered on 5 September 2000 The Minister Replied: (1) No. (2) It is a relatively low priority considering this catchment is not a main source for pollutants entering the Swan River. (3) Not applicable. (4) No. (5) Not applicable. (6) Stormwater detention ponds are recommended on subdivisions to slow or detain the movement of water down gradient. Current practice is to try to incorporate detention basins in subdivisions as part of water sensitive urban design in most large subdivisions.
(5) If yes, what was the result of that investigation? (6) Under what circumstances would it be considered appropriate for subdivision developments to include stormwater detention ponds as a part of the development? Answered on 5 September 2000 The Minister Replied: (1) No. (2) It is a relatively low priority considering this catchment is not a main source for pollutants entering the Swan River. (3) Not applicable. (4) No. (5) Not applicable. (6) Stormwater detention ponds are recommended on subdivisions to slow or detain the movement of water down gradient. Current practice is to try to incorporate detention basins in subdivisions as part of water sensitive urban design in most large subdivisions.
(6) Under what circumstances would it be considered appropriate for subdivision developments to include stormwater detention ponds as a part of the development? Answered on 5 September 2000 The Minister Replied: (1) No. (2) It is a relatively low priority considering this catchment is not a main source for pollutants entering the Swan River. (3) Not applicable. (4) No. (5) Not applicable. (6) Stormwater detention ponds are recommended on subdivisions to slow or detain the movement of water down gradient. Current practice is to try to incorporate detention basins in subdivisions as part of water sensitive urban design in most large subdivisions.
Answered on 5 September 2000 The Minister Replied: (1) No. (2) It is a relatively low priority considering this catchment is not a main source for pollutants entering the Swan River. (3) Not applicable. (4) No. (5) Not applicable. (6) Stormwater detention ponds are recommended on subdivisions to slow or detain the movement of water down gradient. Current practice is to try to incorporate detention basins in subdivisions as part of water sensitive urban design in most large subdivisions.
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