❓ Hon. Spagnolo inquires about the status, completion date, and interim findings of the North-East Corridor and Swan Valley groundwater investigation. The Minister provides updates on the investigation's progress and potential areas for managed aquifer recharge.
AnsweredQoN 1504Legislative Council
Asked
14 April 2026
Member
Portfolio
Aboriginal Affairs; Water; Climate Resilience; South West
QuestionView source ↗
I refer to the North-East Corridor and Swan Valley groundwater investigation announced by the State Government, and I ask:(a) what is the current status of this investigation;(b) when is it expected to be completed; and(c) will the Minister table any interim findings?
AnswerView source ↗
Answered
14 May 2026
Responded by
Leader of the House representing the Minister for Aboriginal Affairs; Water; Climate Resilience; South West
Response time
6 days
(a) The investigation is nearing completion.
(b) Completion is expected by the end of June 2026.
(c) At a regional scale, interim findings indicate that areas north of the Swan Valley (including Muchea and surrounds) and to the south (near Aveley and Dayton) are potentially suitable for managed aquifer recharge in the Leederville aquifer, subject to further local scale investigations required to confirm suitability for specific sites.
Investigations have led to updates to aquifer maps, new depth to watertable maps, and new information on storage potential of the Superficial, Mirrabooka, Leederville and deeper systems.
(b) Completion is expected by the end of June 2026.
(c) At a regional scale, interim findings indicate that areas north of the Swan Valley (including Muchea and surrounds) and to the south (near Aveley and Dayton) are potentially suitable for managed aquifer recharge in the Leederville aquifer, subject to further local scale investigations required to confirm suitability for specific sites.
Investigations have led to updates to aquifer maps, new depth to watertable maps, and new information on storage potential of the Superficial, Mirrabooka, Leederville and deeper systems.
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