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


22 Jan 2021 | Media Release

Perth Weekly Water Update - 22 January 2021

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

  • Climate change
  • Community
  • Dams
15 Jan 2021 | Media Release

Perth weekly water update - 15 January 2021

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

  • Dams
  • Water sources
  • Community
15 Jan 2021 | Media Release

Artist adds final stroke to Scarborough’s newest community garden project

Local contemporary Noongar artist Seantelle Walsh has transformed a Water Corporation electrical cabinet in Scarborough into a piece of aquatic art.

  • Community
  • Environment

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