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Parliamentary Questions

Question Without Notice No. 840 asked in the Legislative Council on 9 November 2017 by Hon Simon O’Brien

Minister responding: Hon D.J. Kelly
Parliament: 40 Session: 1
Answered on 9 November 2017

WATER CORPORATION — RESIDENTIAL AND COMMERCIAL BORE USERS
      840. Hon SIMON O'BRIEN to the minister representing the Minister for Water:
      (1) Is it the case that residential bores typically draw from shallow surface aquifers, whereas Water Corporation bores draw from other deeper sources?
      (2) From which sources do heavy users of bore water, such as turf farms and market gardens, typically draw their water?
      (3) What impacts do household users of bore water and commercial users of bore water have on the availability of fresh potable resources for the general use for households?
Hon ALANNAH MacTIERNAN replied:
I thank the member for the question. The answer is based on material provided by to me by the Minister for Water.
      (1) Residential bores typically, but not exclusively, draw from shallow superficial aquifers. The Water Corporation draws from both shallow superficial and deeper confined aquifer bores, with the latter being predominant.
      (2) Commercial horticultural users take water from superficial and confined aquifers. In the Perth metropolitan area, water is primarily taken from the superficial aquifers.
      (3) The impact of bore use varies depending on a range of factors, including location, the particular aquifer and competing uses.