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Welcome to WA Water Online

The Department of Water is the government agency that looks after all Western Australia's water. We support Western Australia's

growth and development by managing the availability and quality of water sustainably – now and for the future.

We license the tap water you drink, the water that has been used to grow the food you eat, and the water used by mining and industry for state development.

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a hot topic:

Average groundwater levels of the Gnangara Superficial aquifer

The Superficial aquifer is a major unconfined aquifer that exists across the entire Gnangara groundwater plan area, and is commonly termed the ‘Gnangara Mound’, as the water mound extends across most of the Superficial aquifer. The Superficial aquifer is an important source of water for irrigated agriculture, parks and gardens, industry, public water supply and garden bores and supports groundwater dependant ecosystems. ... read more >

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