MORE rainwater runoff from roofing should be captured for replenishing underground aquifers and used for irrigation of public parks, Warrnambool’s mayor Cr Jacinta Ermacora has suggested.
Nanjing Night Net

She has called for investigations into the feasibility following on from a pilot project at Brauerander Park where runoff from Brauer College roofing is fed into the over-allocated Yangery aquifer.

That project, officially commissioned two weeks ago, came after years of effort to gain approval under Victoria’s restrictive environmental laws.

Yesterday Cr Ermacora said another aquifer recharge project should be considered for gardens and public spaces, including highway median strips.

“There is a powerful argument for Warrnambool which receives most of its water supply from the Otway Basin,” she said.

“With aquifer recharge the city could use more water from its own catchment and it would be a beautiful match for existing roofwater harvesting on new estates.

“We should seriously consider it. The geology in this area is appropriate.

“It would be on a similar basis to the Brauerander project where no more than 70 per cent of what is recharged is ever extracted.

“There would be value in improving the quality and water content in groundwater reserves and improving the appearance of our open spaces.

“Council could look at potential partners.”

The mayor and Cr Rob Askew praised the pioneering work of city infrastructure director Peter Robertson who proposed the Brauerander project in 2003.

“All credit to him for his perseverance and creative thinking which made it happen,” Cr Ermacora said.

Cr Askew said the pilot project achievement was even more admirable considering the legal limitations in Victoria.

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