Desalination

Desalination is a secure water source that doesn’t depend on the rain. Find out about our two desalination plants and how they contribute to Perth's water supply.

Did you know - 47% of Perth's water needs is supplied by water desalinated at our 2 desalination plants

As WA continues to experience a drying climate and in increasing population, it is important that we bring on sustainable and more climate resilient water sources.

Desalination is not our only option for the future, but it is an important one. It is a more secure drinking water source than traditional surface and groundwater sources as it does not rely on rainfall.

Desalination in WA – how it works

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Perth Seawater Desalination Plant

Perth Seawater Desalination Plant

Perth Seawater Desalination Plant

Our first desalination plant was the first plant of its kind to provide drinking water to the public.

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Southern Seawater Desalination Plant

Southern Seawater Desalination Plant

Southern Seawater Desalination Plant

The Binningup desalination plant now has a capacity of producing nearly 1/3 of Perth's water supply.

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