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Water quality

Sydney Water's aim is to provide you with good quality drinking water. The drinking water supplied to customers has been treated to meet the Australian Drinking Water Guidelines.

To ensure drinking water is good quality and that guidelines are met, water quality testing and monitoring takes place at every stage of the supply system. Samples are taken in the catchments, after water is treated, in distribution pipes and at over 600 customers' taps.

Water is tested for Cryptosporidium and Giardia according to a water quality monitoring plan agreed to by NSW Health.

Sydney Water works in close consultation with NSW Health to ensure that all current and emerging issues associated with drinking water quality are identified and assessed.

Streamwatch is a school and community education and action program that raises awareness of the natural environment through testing water quality in local rivers and streams. The program empowers groups to protect the health of local waterways through their involvement in water quality monitoring.

Desalination: up to 15% of Sydney's drinking water supply By recycling your wastewater we save our drinking water for drinking. Did you know recycling will provide 12% of greater Sydney's water supply? Learn more. Learn more about what Sydney Water is doing to reduce leaks.