Upper Nihotupu Raw Watermain Upgrade
We're planning to upgrade the over 100-year-old Upper Nihotupu Raw Watermain.
Duration
TBC
Location
Waiatarua
Status
Planning
Overview
We plan to upgrade the over 100-year-old Upper Nihotupu Raw Watermain. This watermain which transports up to 22 million litres of water daily from the Upper Nihotupu Dam in the Waitākere Ranges to the Huia Water Treatment Plant, was damaged during the January 2023 storms. It also faces risks from landslides and rockfalls.
What is happening now?
We’re about to start geotechnical investigations in six locations to help us build a shortlist of options for the replacement watermain. This work will provide critical information to support the next stage of planning.
