Water Corp begins work on groundwater recharge bores for 13km pipeline from Craigie water recycling plant

Pipeline work. Picture: Martin Kennealey d477883
Pipeline work. Picture: Martin Kennealey d477883

WORK recently started on the recharge bores to replenish groundwater in the northern suburbs using treated wastewater.

The Water Corporation is building is building the bores in Wanneroo and Neerabup as part of stage two of its Groundwater Replenishment Scheme.

Water will be transferred to the bores from the Beenyup advanced water recycling plant in Craigie via a 13km pipeline, construction of which is due to start in February.

Stage two construction will include duplication of the 14 billion litre recycling Beenyup plant, doubling its capacity, as well as construction of the recharge bores west of Wanneroo Road and the pipeline.

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Work to drill the bores started in December at the recharge site in Wanneroo and involves 24/7 operation initially, with Water Corporation planning to install associated infrastructure for the bores at a later date and finish all the work by early 2019.

When complete, the scheme will have the capacity to recharge 28 billion litres of water into groundwater supplies, providing a climate-independent water source to boost drinking water supplies.

The Metropolitan North-West Joint Development Assessment Panel approved plans for the $21 million pipeline in November.

The utility is also increasing the number of abstraction bores that draw water from replenished deep aquifers, which requires an upgrade to the Neerabup Groundwater Treatment Plant and Transfer Pump Station.

The plant currently treats about 100ML of groundwater a day and the upgrade will increase treatment capacity to 150ML a day.

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