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Water resources and environments

South Australia's water supplies come from a wide range of sources. Groundwater and surface water (water from dams, streams, rivers and reservoirs) provide most of our water.

We have also diversified our sources of water. In many parts of South Australia, water recycling and stormwater capture and reuse are helping provide additional water for irrigating crops, parks and gardens.

Desalinated water is another important source. In metropolitan Adelaide, the Adelaide Desalination Plant has been producing drinking water since late 2011. Additional desalination plants are across South Australia provide drinking water to regional communities.

As a state, we have maintained good water use habits by minimising our per capita water intake with daily water saving measures. Water use has not significantly increased in our state since water restrictions were lifted in late 2010.

Water resources and environments

Rivers and reservoirs

Surface water systems replenished by rainfall and groundwater.

Water resources and environments

Groundwater

Water stored in geological formations below the earth's surface.

Water resources and environments

Stormwater

This water can be harvested and reused.

Water resources and environments

Wastewater

Treated wastewater is processed to reduce nutrients and other contaminants.

Water resources and environments

Desalination

Plants across South Australia treat groundwater to remove salt and impurities.

Image courtesy Vmenkov, CC BY-SA 3.0

Water resources and environments

Managed aquifer recharge

The intentional draining or injecting of water into a well.

Water resources and environments

Ramsar wetlands

South Australia has six Ramsar Wetlands of International Importance.

Water resources and environments

Kati Thunda (Lake Eyre) Basin

Kati Thunda Basin covers almost one-sixth of Australia.

Piccaninnie Ponds in the South East

South East Drainage Network

The landscape-scale drain removes floodwaters, drains saline groundwater, and provides for environmental flows.