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​Kaupapa wai āwha me ngā awa rerenga wai

Stormwater and waterway projects

We regularly carry out improvement work on our region's stormwater network and waterways.

These projects aim to:

  • manage stormwater flow
  • minimise flood risks
  • reduce pollution
  • prevent contamination in our waterways
  • improve water quality.

The work may involve:

  • increasing the capacity of the stormwater network
  • installing pipes
  • replacing concrete channels with naturalised streams.

Work hours and disruption

  • Work hours are usually from 7am to 6pm Monday to Saturday.
  • We will notify affected residents if we need to work outside these hours.
  • We aim to keep noise within regulations.
  • We manage traffic onsite to help motorists through road closures and reduced access.

Current stormwater projects

View our interactive map of current initiatives to see what we're doing to improve water quality in your area.


Freemans Bay stormwater network separation project

Ōkahu Bay stormwater and wastewater separation project

St Marys Bay area water quality improvement project

Hauraki Gulf islands

Tahi Road stormwater upgrade


Greenslade Reserve development

Milford stormwater project


Awakeri Wetlands stormwater improvement project


Clinker Place stormwater pipeline

Corban Reserve stormwater upgrade project


Information for landowners and residents 

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