Sydney Water delivers essential and sustainable water services for the benefit of the community.

Sydney Water provides drinking water, recycled water, wastewater services and some stormwater services to more than four million people in Sydney, Illawarra and the Blue Mountains.

Drinking water is sourced from a network of dams managed by the Sydney Catchment Authority, then treated and delivered to customers' homes and businesses by Sydney Water.

Sydney Water is Australia's largest water utility with over 3,200 staff and an area of operations covering 12,700 square kilometres.

Sydney Water, a statutory State owned corporation wholly owned by the New South Wales Government, has three equal, principal objectives:
- to protect public health
- to protect the environment
- to be a successful business.