Severe weather conditions from Wednesday 30 April to Friday 2 May may impact the network
Severe weather conditions may impact the network

Due to severe weather conditions forecasted from today, 30 April until Friday 2 May, there may be impacts on the network, 

Heavy rain increases the chance of excess stormwater entering the wastewater network, which it doesn’t have capacity for. This means there is a higher risk of wastewater overflows during wet weather events or emergencies such as major power cuts.

Our operations team are checking known risk areas and working to ensure that the stormwater network will be running as smoothly as possible. 

 

Projects

Every year we carry out over 200 different projects in our four cities. These projects range from renewing a stormwater pipe in a single street to building a new reservoir. 

 

We are working hard to meet the region's growing water needs

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Featured Projects

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Cornish Street Wastewater Renewal

On behalf of Hutt City Council, Wellington Water are replacing a failed section of wastewater main through Korokoro bush to reduce potential environmental impacts. We will then line the entire length of pipeline to assure the longevity of repair.

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Nathan Street Pipe Bridge Replacement

On behalf of Wellington City Council, Wellington Water are replacing a damaged potable water and wastewater pipe bridge to improve outcomes for the community and environment.

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Lake Ferry Wastewater Treatment Plant Reconsenting

Wellington Water, on behalf of South Wairarapa District Council, is applying to reconsent the Lake Ferry Wastewater Treatment Plant to ensure continuation of service of wastewater treatment in a manner that minimises any detrimental environmental effects

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Project Updates

Western Hills Sewer Main Rehabilitation
Last updated: Apr 25, 2025, 1:14 PM
One manhole reinstatement to go, partial removal of traffic management will start on Saturday night.
Seaview Wastewater Treatment Plant Upgrades
Last updated: Apr 24, 2025, 4:14 PM
Martinborough wastewater treatment plant consent compliance upgrade
Last updated: Apr 24, 2025, 1:36 PM
Wakefield Street Wastewater Rising Main – Stage 2
Last updated: Apr 22, 2025, 5:59 PM
The Wakefield Street slip lane by the New World dock way and Oriental Parade/Kent Terrace has closed. It will be closed 24/7 for around four weeks.
Moa Point wastewater treatment plant refurbishment projects
Last updated: Apr 16, 2025, 8:35 AM
The refurbishment of the third and final clarifier reached a key milestone last week - the team successfully lifted and installed the replacement main drive bearing, a key major technical component of the clarifier.
Porirua Wastewater Treatment Plant upgrade programme
Last updated: Apr 11, 2025, 9:00 AM
Welcome to the first issue of our new monthly newsletter for the Porirua Wastewater Treatment Plant.

We’ve set this up as a way to keep our neighbours and stakeholders up-to-date on how the plant is operating, and the work we have underway to improve our processes and manage our impact on the community and environment.
Te Mārua Water Treatment Plant Capacity Upgrade
Last updated: Apr 3, 2025, 11:21 AM
Excitement is building as, thanks to a lot of hard work, the process of final commissioning of the Dissolved Air Flotation plant (DAF) is underway.
Jackson Street Pipe Renewals Project
Last updated: Mar 13, 2025, 10:58 AM
Planning work is continuing for the renewal all three waters pipes (stormwater, wastewater and drinking water) in Jackson Street.
Porirua Central Wastewater Storage Facility
Last updated: Feb 26, 2025, 4:11 PM
Works are tracking well at the Porirua Central Wastewater Storage Facility next to SH 59 and the railway line.
Whakawhirinaki: The Silverstream Water Bridge and Shared Path
Last updated: Feb 14, 2025, 3:10 PM
With the new bulk water pipe now fully installed on Whakawhirinaki, great progress is being made toward commissioning the pipe mid-2025. Check out what's been happening on site.

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