Think climate change. Be waterwise

Picture of one of our two desalination plants

How Perth's water sources have changed over time

Climate change has dramatically affected where we get our water from. We can no longer rely on the rain to meet our water needs.

As we continue to feel the impacts of climate change, we have adapted. We are working with government, partnering with businesses and supporting the community to take action on climate changes.

Hand catching droplet of water

We're here for you

We’re committed to supporting households and businesses and providing essential services to WA.

Coronavirus support
Perth water supply map

Adapting our water supply to climate change

Ever wondered how climate change has affected our water supply?

Find out more

Monthly Streamflow


- GL

Year to date

Historical *

- GL

Avg year to date



- GL

Years of declining rainfall means less water flowing into your dams.

* Average monthly streamflow between 1911 - 1974


Latest updates


04 Dec 2020 | Media Release

Metro weekly water update - 4 December 2020

Latest water use, dam levels, streamflow and rainfall data.

  • Dams
  • Water sources
03 Dec 2020 | Media Release

Rapids Landing Margaret River recognised as a Waterwise School

Rapids Landing Primary School, Margaret River, was recognised as Western Australia’s 585th Waterwise School at a special assembly last week.

  • Community
  • Waterwise
  • South West
03 Dec 2020 | Media Release

Water Corporation initiatives to boost employment of people with disability

Young Western Australians with disability will be the focus of a new work experience placement and traineeship program at Water Corporation, as part of its ongoing commitment to improve disability access and inclusion.

  • Careers
  • Community

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