Waihī Water Treatment Plant Upgrade

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Waihī Water Treatment Plant (WTP) is currently undergoing an upgrade to provide for an additional / second membrane filtration unit.

Membranes are very fine filters of different sizes which are used in water treatment process to remove any contaminants. Water is then distributed to the network and ultimately to customers connected to the Waihī water supply.

The current WTP has a single set of membranes, so if there is an unexpected failure it is possible that the plant could shut down and disrupt supply.

This project will provide a backup membrane for water supply resilience in Waihī and the ability to respond seamlessly in the event of a failure.

Construction is underway to extend the existing building to accommodate the new membrane and ancillary equipment.

Activity is expected on site until late 2024 before the new membrane is commissioned and brought into service.

We will be posting regular updates on the Waihī Water Treatment Plant Upgrade right here. You can also keep up with the latest news throughout the Hauraki District by signing up for our newsletters.

Waihī Water Treatment Plant (WTP) is currently undergoing an upgrade to provide for an additional / second membrane filtration unit.

Membranes are very fine filters of different sizes which are used in water treatment process to remove any contaminants. Water is then distributed to the network and ultimately to customers connected to the Waihī water supply.

The current WTP has a single set of membranes, so if there is an unexpected failure it is possible that the plant could shut down and disrupt supply.

This project will provide a backup membrane for water supply resilience in Waihī and the ability to respond seamlessly in the event of a failure.

Construction is underway to extend the existing building to accommodate the new membrane and ancillary equipment.

Activity is expected on site until late 2024 before the new membrane is commissioned and brought into service.

We will be posting regular updates on the Waihī Water Treatment Plant Upgrade right here. You can also keep up with the latest news throughout the Hauraki District by signing up for our newsletters.

  • Works Update - 15 May 2024

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    The internal fit out is now underway at the Waihī WTP building extension which will house the secondary membrane.

    A big shout out to contractors, EPL Construction Limited on the building works and EPIC Systems Limited for electrical and controls work.

  • Works Update - 30 April 2024

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    The upgrade at Waihī WTP is progressing quickly - the roof and cladding have already been installed!

    Winter isn't going to slow this project down.



  • Works Update - 19 April 2024

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    The extension of the Waihī Water Treatment Plant is taking shape.

    This area will accommodate the new membrane and ancillary equipment.

    The new membrane is due to be in service in late 2024.





Page last updated: 16 May 2024, 07:27 AM