• $21.2 million upgrade to Jandakot Groundwater Treatment Plant finished
  • New drinking water bore to produce up to six billion litres of water per year

Perth's drinking water supplies will be boosted thanks to a $21.2 million upgrade to the Jandakot Groundwater Treatment Plant and the installation of a new drinking water bore.

Water Minister Mia Davies said the new bore would provide an additional six billion litres of water each year into the Integrated Water Supply Scheme (IWSS), which was the equivalent of 2,667 Olympic swimming pools.

"The upgrade to the groundwater treatment plant has increased its treatment capacity from 40 million litres per day to 60 million litres per day," Ms Davies said. 

"This extra capacity will cater for the water that will be produced by the new bore, which draws water from 800 metres below the surface from the deep Yarragadee aquifer."

The project forms part of the Water Corporation's strategy to secure water supplies in the drying climate, which includes the transfer of groundwater abstraction to deeper aquifers.

"This new bore is an additional water source for the nearly 1.9 million people connected to the IWSS," the Minister said.

The Department of Water has undertaken site specific groundwater investigations and modelling of the Jandakot groundwater system to inform how abstraction can best be distributed away from sensitive wetlands while still optimising supply.

Ms Davies said the abstraction strategy for Jandakot groundwater was set and evaluated by the Department of Water through a comprehensive monitoring network.

"Water levels in the Jandakot system have responded well to transferring groundwater abstraction from shallow aquifers to the deeper Leederville and Yarragadee aquifers, and this has contributed to the improved levels at wetlands such as Shirley Balla Swamp and Lake Banganup," she said.

Fact File

  • Upgrades to Water Corporation's Jandakot Groundwater Treatment Plant include installation of a new pump and filtration system, and an upgrade to the power supply
  • Groundwater from 24 bores in the area is treated at the Jandakot Groundwater Treatment Plant. This is then blended with water from other sources and distributed through the Integrated Water Supply Scheme
  • The Department of Water allocates and licences the water abstracted from groundwater systems and approves and licences the construction of production bores that access the water

Media Enquiries:

Contact: Minister's office

Phone: (08) 6552 5500