Water supply

We are a business enterprise that uses about 15% of the state's allocated water resources to make sure every West Australian has the water services they need to sustain a West Australian lifestyle.

Rainfall, dam levels & water use

Rainfall and dam information

Rainfall, dam levels & water use

Check rainfall figures, the effect of declining rainfall on our dams & find out where we source our drinking water from.

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Our water sources

Solutions to Perth's water supply

Our water sources

Learn about our water sources, including solutions to secure WA’s drinking water supply & deliver services that are climate resilient.

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Our regional water supply

Solutions to deliver sustainable water services

Our regional water supply

See how we are delivering sustainable water services across regional WA.

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Bushfires & water supply

outdoor tap

Bushfires & water supply

Find out here all about your water supply during a bushfire & how to secure an independent supply.

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Wastewater services

Wastewater treatment

Wastewater services

Find out what we do with the 450 million litres of wastewater produced each day in WA.

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Sewerage & drainage services

aerial view of suburb

Sewerage & drainage services

Find maps of the metropolitan drainage districts and statewide sewerage areas which inform how your bill is calculated.

Works & projects

Works and projects

Works & projects

View the projects we are working on to establish & improve our water services.

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