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Waikato District Council - Te Kaunihera aa Takiwaa o Waikato

Crane, trees, and divers

Tree in river being craned out

We use scuba divers for our three-monthly inspections and cleaning of the Ngaaruawaahia water treatment plant intake screen, which helps keep the system running efficiently and reliably, reducing the risk of disruptions to our water supply operations.

Trees and logs often get caught against the intake screen after storm events, and normally our divers are able to dislodge them using a hydraulic chainsaw.
However, we had to call on the help of a 230-tonne crane to remove two large trees following recent storms, one of which moved the intake pipe, so we’ve installed a concrete collar block to stablise the pipe.

We’re also looking into options for a physical barrier, such as deflector plates, to reduce the risk of future damage to this vital infrastructure.

We have seven water treatment plants and 27 reservoirs across the district.

From 1 July, IAWAI, the new publicly owned water company formed by Waikato District and Hamilton City councils and working in partnership with Waikato-Tainui, will be responsible for delivering your drinking water and wastewater services. IAWAI water charges will be itemised separately alongside your council rates notices and billing, and you will still get water meter bills twice a year. www.iawai.co.nz

 

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