Securing our water future in response to climate change

Picture of one of our two desalination plants

How does your water use compare?

Are you waterwise or nearly there? Complete your household profile to see how you compare to similar households.

This is located at the top of your bill

Not recommended on shared devices

Water compare image of pipes, pool and house
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


30 Sep 2020 | Media Release

Essential upgrades to improve long-term water supply in Karratha

Water Corporation will undertake an essential project to replace more than 1,000 customer water service connections in Karratha to improve supply reliability for local residents.

  • North West
  • Projects
21 Sep 2020 | Media Release

Water-saving support provided to South-West communities

Water Minister Dave Kelly today announced that water-saving offers, including a rainwater tank rebate and free Showerhead Swap, would be available to 10 South-West communities in the 2020-21 Waterwise Towns Program.

  • Community
  • Rebates
  • South West
  • Waterwise
21 Sep 2020 | Media Release

More support to the Goldfields to help residents save money on their water bills

Water Minister Dave Kelly today announced that a new trial to optimise water use in evaporative air-conditioners during summer will be offered exclusively to Kalgoorlie-Boulder residents as part of the Water Corporation's 2020-21 Waterwise Towns Program.

  • Community
  • Offers
  • Leaks
  • Rebates
  • Waterwise

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