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.

New bill icon

Your improved bill design

We've been listening to feedback to simplify your bill. We’ve made it easier to understand your charges and how much water you’ve used.

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Perth water supply map

Adapting our water supply to climate change

Ever wondered how climate change has affected our water supply?

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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


17 Jan 2022 | Update

Proof of vaccination required for visitors to Water Corporation sites

Proof of vaccination is required when visiting a Water Corporation site

  • COVID-19
  • Community
17 Jan 2022 | Media Release

Perth Weekly Water Update - 17 January 2022

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

  • Climate change
  • Dams
  • Water sources
14 Jan 2022 | Media Release

Broome business to support major upgrade of local water and wastewater infrastructure

Water Minister Dave Kelly has announced the start of a major upgrade to water and wastewater infrastructure in Broome, with a local Aboriginal business appointed to deliver the project's first stage.

  • North West
  • Projects
  • Wastewater

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