Water supply, wastewater and stormwater

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Graphic of a rain cloud and a glass of water.

Our water functions include supplying safe drinking water and treating wastewater to a high standard so that it can be safely discharged into the environment. We also manage stormwater to minimise flooding and protect waterways and provide infrastructure that keeps pace with the growth of Auckland.

  • Capital investment - 3 years: $2,949 million.
  • Operating expenditure - 2022-2023: $833 million.

Our plan

  • Focus areas for growth – continue our investment in infrastructure that supports housing and growth in a few key areas.
  • Valuing our water – continued focus on encouraging efficient water use and reducing leaks.
  • Improving water quality – major projects such as the central and northern interceptors will see sewage removed and treated that would otherwise flow into the harbours.
  • Building resilience – improving the reliability of our network and ensuring that as new infrastructure is built it will take into account the changing impact of weather events and the need to provide resilience during natural disasters.

What we will deliver

  • Northern interceptor.
  • Water quality improvement programme.
  • Eastern isthmus and southern catchments alignment.
  • Flood control.

Challenges

  • Three Waters reform – we acknowledge that the water sector faces challenges and would benefit from reforms at a national level and we support some aspects of the reform proposal. However, we have concerns with some of the proposed reforms and further discussion with central government is required. For more information, see Auckland Council's feedback on government Three Waters Reform proposal.
  • Growth – water infrastructure is a key enabler of growth and there is major pressure for investment in both greenfield and brownfield development areas.
  • Contamination of streams and beaches – storm events result in contamination of streams, beaches and harbours across Auckland.

You should know

The information here is an edited version from the Annual Budget 2022/2023 document.

See page 39 of the Annual Budget 2022/2023 document (PDF 10MB) for more information.

Graphic of a rain cloud and a glass of water.

Our water functions include supplying safe drinking water and treating wastewater to a high standard so that it can be safely discharged into the environment. We also manage stormwater to minimise flooding and protect waterways and provide infrastructure that keeps pace with the growth of Auckland.

  • Capital investment - 3 years: $2,949 million.
  • Operating expenditure - 2022-2023: $833 million.

Our plan

  • Focus areas for growth – continue our investment in infrastructure that supports housing and growth in a few key areas.
  • Valuing our water – continued focus on encouraging efficient water use and reducing leaks.
  • Improving water quality – major projects such as the central and northern interceptors will see sewage removed and treated that would otherwise flow into the harbours.
  • Building resilience – improving the reliability of our network and ensuring that as new infrastructure is built it will take into account the changing impact of weather events and the need to provide resilience during natural disasters.

What we will deliver

  • Northern interceptor.
  • Water quality improvement programme.
  • Eastern isthmus and southern catchments alignment.
  • Flood control.

Challenges

  • Three Waters reform – we acknowledge that the water sector faces challenges and would benefit from reforms at a national level and we support some aspects of the reform proposal. However, we have concerns with some of the proposed reforms and further discussion with central government is required. For more information, see Auckland Council's feedback on government Three Waters Reform proposal.
  • Growth – water infrastructure is a key enabler of growth and there is major pressure for investment in both greenfield and brownfield development areas.
  • Contamination of streams and beaches – storm events result in contamination of streams, beaches and harbours across Auckland.

You should know

The information here is an edited version from the Annual Budget 2022/2023 document.

See page 39 of the Annual Budget 2022/2023 document (PDF 10MB) for more information.

Page last updated: 28 Mar 2022, 06:15 PM