Projects

Jackson Street Pipe Renewals Project

Last updated: May 5, 2026, 4:55 PM

We're currently in the process of completing stormwater modelling analysis, that will inform design and construction for the Jackson Street Three Waters Renewal Project.

Newlands Watermain Renewals

Last updated: Apr 30, 2026, 3:50 PM

Seaview Wastewater Treatment Plant Upgrades

Last updated: Apr 29, 2026, 4:59 PM

Works are underway at the Seaview Wastewater Treatment Plant to bring new components of the plant’s aeration system online (called ‘hot commissioning’). This work presents a low risk of increased odour at the plant over the next few days during hot commissioning, and through to the end of May (at the end of the trial period).

Lower Hutt drinking water and wastewater pipe renewals

Last updated: Apr 21, 2026, 10:59 AM

For efficiency reasons, the work has been grouped into different work packages to be delivered by eight local contractors across more than 40 streets.

Titahi Bay water main renewals

Last updated: Apr 15, 2026, 11:56 AM

Ngauranga Gorge project

Last updated: Apr 13, 2026, 4:25 PM

Once the water wells work has been completed, which we anticipate being Thursday 16 April, we will be starting on installing the H (or bearing) piles.

Porirua Central Wastewater Storage Facility

Last updated: Mar 31, 2026, 1:57 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.