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Wellington Water manages water treatment and supply, stormwater and wastewater service delivery in the Wellington region. An important part of our work is promoting water conservation and sustainability

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Project lists

  • Information on our upcoming projects is available

What's in your water?

Overflow updates

  • 12 June

    Overflow from Paremata Cres Pumping Station from 5.39pm to 12.26am. Cause: heavy rain

    Overflow from Brandon Pumping Station to Bradeys Bay from 7.56pm to 11.42pm. Cause: heavy rain

    Overflow from Duck Creek Pumping Station from 6.25pm to 10.40pm. Cause: heavy rain

    Overflow from Postgate Pumping Station to Browns Stream from 3.14pm to 12.22am. Cause: heavy rain

    Overflow from Onepoto Pumping Station to coast from 6.45pm to 12.22am. Cause: heavy rain

    Overflow from Porirua Wastewater Treatment Plant to coast from 5.23pm to 1.48am. Cause: heavy rain

    Overflow from Station Road Pumping Station to coast from 7.39pm to 10.31pm. Cause: heavy rain

    Overflow from Porirua City Pumping Station to Porirua Stream from 6.04pm to 9.54pm. Cause: heavy rain

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Water supply resilience

Our region is vulnerable to the risk of water supply interruption - this to due to our geography and where our water sources are located. Widespread damage of the reticulation network could take many weeks to repair which could have severe implications for our economy. We're working on improving the resilience of our water supply - to find out more, check out this information.

Panel approach picked to bring regional benefits

We're pleased to announce that we've reached an agreement with three engineering groups to provide consultancy services for water supply, wastewater and stormwater infrastructure development for our council clients.

More information can be found here.

David Crescent (Karori), water main renewal

Work to renew the water main will begin on 23 June and is expected to take 12 weeks to complete.

The contractor is Te Aratika Drilling Limited (Robbie Bracken, 021 881 479)

Queen St (Petone), stormwater and wastewater renewal

Work to renew the stormwater and wastewater pipes will begin on 27 June and will be completed by mid-November.

For more information, check out this project page.

Rangitane St (Maupuia), water main renewal

Work to renew the water main in Rangitane St began on 7 June and is expected to take 4 weeks to complete.

The contractor is Dews Construction Ltd (Sam Dews, 027 592 2290).

Ellora Street (Ngaio), water main renewal

Work to renew the water main in Ellora Street began on 10 May 2016 and will be completed by mid-June.

The contractor is Construction Contracts Ltd (Paul Jackson, 021 546 017).

Churchill Drive (Crofton Downs), water main renewal

Work to renew the water main in Churchill Drive began on Tuesday 29 March 2016 and will be completed in mid to late June.

Renewing the water main is important because the existing pipework is getting to the end of its life. The upgrade will help to provide a more reliable and resilient water supply network in Wellington city. Find out more about this work here.

Molesworth Street (Thorndon), stormwater and wastewater renewal

Work to renew the stormwater and wastewater pipes buried beneath Molesworth Street is running behind schedule and is now likely to be completed in November 2016.

The work involves replacing pipes from Little Pipitea Street to just past the motorway on-ramp (87 – 133 Molesworth Street).  Read more about this job here.

New Melrose reservoir bigger, stronger, safer

Work is nearing completion on a new reservoir in Mt Albert Park – part of an ongoing programme to make the Capital’s water storage facilities and supply network stronger, safer and better able to meet the needs of a growing population.

The new reservoir, being managed by Wellington Water on behalf of Wellington City Council, will provide three times more water storage for the Melrose area.

Melrose reservoir

Reservoir, what reservoir? Burying the reservoir is almost complete

Wellington City Council has done a lot of work over the past 20 years to earthquake-strengthen existing reservoirs, build new ones to stringent seismic standards and install automatic shut-off valves so the tanks don’t empty if the pipe network is damaged.

About 66 percent of the water in the city is now stored in reservoirs that have been seismically strengthened and more than 95 percent have shut-off valves.

The new Mt Albert Park reservoir will be more resilient during a severe earthquake and also allow for population growth over the next 80 years.  It will replace the older of the park’s two reservoirs, which was built in 1910.

Read more at the Wellington City Council website or on our projects page.

Catchment management planning

We're working on a long term plan to improve the management of stormwater in Wellington City. Stage one of the plan looked at the characteristics of Wellington's 34 sub-catchments. In Stage Two, we'll develop action plans for five groups of catchments.

More information and the Stage one report is available. You can also read the Annual Report on the stormwater discharge consents, showing the performance of Wellington City's stormwater catchments.