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

Our thoughts are with everyone affected by the Wooroloo bushfire. We’re here to help impacted customers, learn about our relief options.

Relief options
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


16 Apr 2021, AWST 18:05 | Incident Update

Ex-Tropical Cyclone Seroja – important information about water and wastewater services

Updates from Water Corporation following Ex-Tropical Cyclone Seroja.

  • Community
  • Service alert
  • Wastewater
16 Apr 2021 | Update

Create your own bush tucker garden

Djeran season is here. As temperatures begin to cool and nights become darker, now is the perfect time to enrich your backyard with WA’s unique waterwise blooms and flavours.

  • Waterwise
  • Plants
16 Apr 2021 | Update

Help kids save water on a school day

A new term offers a chance for new habits. It’s time to make water-saving part of your family’s back-to-school routine.

  • Waterwise

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