Water planning for Sydney
Having a secure water supply is a key goal for the NSW 2021 Plan. It is also critical for the sustainable growth of Sydney, the Blue Mountains and the Illawarra (greater Sydney).
Browse our range of resources about water education for the community.
Dams are our major source of drinking water. However Sydney is no longer totally reliant on rainfall stored in dams because water is also available through desalination and recycling.
Water recycling is treating and reusing wastewater, greywater and stormwater for non-drinking purposes in and outside the home, in industry, for irrigation and agriculture.
Desalination is an important, non-rainfall dependent part of the NSW Government's approach to securing Sydney's water supply, and can provide up to 15 percent of Sydney's water.
Thanks to the water wise efforts of homes and businesses in the greater Sydney region, we are using the same amount of water now as in the early 1970s - even with an extra 1.4 million people.
Protecting greater Sydney's rivers, aquifers and catchments is essential for a healthy environment as well as for recreation, business and tourism. The main focus of Metropolitan Water Plan initiatives in this area is environmental flows.