Projects

Porirua Central Wastewater Storage Facility

Last updated: Mar 31, 2026, 1:57 PM

Lower Hutt drinking water and wastewater pipe renewals

Last updated: Mar 30, 2026, 4:49 PM

Western Wastewater Treatment Plant Refurbishment Projects

Last updated: Mar 26, 2026, 1:55 PM

The works to replace and upgrade the plant's ultraviolet system (UV) has been completed.

Tōtara Park Road Bridge Pipework Seismic Strengthening

Last updated: Mar 24, 2026, 9:11 AM

Crews have started on the first phase of works, which involves installing a water pipe (known as a ridermain) along Clouston Park Road and Tōtara Park Road

Harris St Syphon

Last updated: Mar 23, 2026, 4:05 PM

Now that’s what we call a deep clean!

Constructed over twenty years ago to address stormwater flooding in the CBD, the Harris Street syphon sits 16 metres under ground level. It’s meant to drain stormwater from around Willis and Victoria Streets and discharge it, using its own momentum, at Frank Kitts Park.

Takapū Road Watermain Renewal

Last updated: Mar 23, 2026, 2:58 PM

Delivered under the Urgent Works stream as part of our Capital Delivery Programme, our internal Major Pipelines, Operations, and Design teams have been working collaboratively to unearth sections of the bulk water main (that is, the big pipes) which carries drinking water from Te Mārua Treatment Plant in Upper Hutt to Porirua City and the western suburbs of Wellington City.

Newlands Watermain Renewals

Last updated: Mar 23, 2026, 9:56 AM

Ngauranga Gorge project

Last updated: Mar 13, 2026, 4:03 PM

Work will soon be working to install an earthquake resilient pipe connection at Ngauranga Gorge. This key pipeline brings water from Hutt Valley to Wellington City. Work is scheduled to start on 23 March and completed by 20 July.

Seaview Wastewater Treatment Plant Upgrades

Last updated: Feb 13, 2026, 11:24 AM

Eastern Hills Reservoir, Lower Hutt

Last updated: Feb 10, 2026, 4:47 PM

Geotech investigations have started along the Summit Road Firebreak and close to Balgownie Grove in Fairfield, Lower Hutt to inform the design of the Eastern Hills Reservoir.