Our projects in Sydney's south & the Illawarra

Male maintenance worker kneeling and turning lever on pipe

Our maintenance program helps prevent leaks and maintain a reliable water supply.

We're continually maintaining the quality of our drinking water and making improvements to provide a reliable water supply.

Water asset maintenance and renewal

  • Location - various suburbs across Sydney
  • Timeframe - ongoing

We assess the condition of our large water pipes to get information about which pipes need to be repaired or replaced before they break.

As part of our maintenance program, we also clean and refurbish our water reservoirs, and replace aging electrical monitoring equipment.

Learn more about our Water Asset Maintenance and Renewal Program.

Water pressure management

  • Location - various suburbs across Sydney
  • Timeframe - ongoing

We're reducing water pressure in various areas across Sydney where the pressure is excessively high. 

Learn more about our Water Pressure Management Program.

Water pressure monitoring

  • Location - various suburbs across Sydney
  • Timeframe - ongoing
We're monitoring and improving water pressure levels in various areas across Sydney. This involves replacing old pressure gauges and installing booster pumps in areas with very low or inconsistent water pressure.

Learn more about our  Water Pressure Monitoring Program.

Leak detection

  • Location - various suburbs across Sydney
  • Timeframe - ongoing                                 

We have a network of over 22,000 kilometres of water pipes. Leak detection and repair is one of the main ways we reduce water loss. 

Learn more about our Leak Detection Program.

We're always upgrading and repairing our existing wastewater system. Our wastewater projects help protect public health and the environment.

Network Repairs Program

  • Location - various suburbs across Sydney
  • Timeframe - ongoing

We're repairing cracked, collapsed or damaged wastewater pipes and maintenance holes across our system. About 7,500 jobs were completed in 2019/20 to improve the wastewater system and ensure it remains reliable.

Learn more about our Network Repairs Program.

Sewer and Stormwater Rehabilitation Program

  • Location - various suburbs across Sydney
  • Timeframe - ongoing

We're upgrading our wastewater and stormwater pipes across Sydney. This work will help prevent leaks in pipes for the next 50 years.

Learn more about our Sewer and Stormwater Rehabilitation Program.

Internal Surcharge Improvement Program

  • Location - various suburbs across Sydney. Key locations include Banksia, Baulkham Hills, Beverly Hills, Castle Hill, Concord, Drummoyne, Ermington, Fairfield East, Freshwater, Kogarah, Mosman, Putney, Quakers Hill, Seven Hills, West Pennant Hills, West Ryde, Wollongong and Woronora
  • Timeframe - ongoing

We're currently in the planning or construction stage for a number of projects that will help fix wastewater surcharges at private properties.

Learn more about our Internal Surcharge Improvement Program.

Most of the stormwater pipes and channels in the Sydney metropolitan area are the responsibility of local councils. We own some of the large stormwater pipes, channels and drains.

We work closely with local councils and other agencies to manage Sydney’s stormwater flows.

Silt and debris management

  • Location - various suburbs across Sydney
  • Timeframe - ongoing

We're removing silt, sand and sediment from our wastewater and stormwater pipes.

Learn more about our Silt and Debris Management Program.

We're planning and building new water and wastewater services for growth areas. These services are essential to allow development to support the NSW Government’s Metropolitan Plan for Sydney 2036.

The Department of Planning and Environment is responsible for land rezoning and the sequence for its release in the growth centres. They work in consultation with relevant local councils, NSW Government agencies and developers.

West Dapto Urban Release Area and Adjacent Growth Areas

  • Location - Avondale, Cleveland, Kembla Grange, Sheaffes/Wongawilli, West Horsley, and Yallah/Marshall Mount. Adjacent areas Calderwood, Huntley, Tullimbar and Tallawarra
  • Timeframe - in stages between 2014 and 2048

We're planning new water and wastewater infrastructure to service about 30,000 homes and about 500 hectares of non-residential development in the Illawarra region.

Learn more about the West Dapto Urban Release Area and Adjacent Growth Areas.

Have your say about our projects

Female staff member talking to a man next to a metal fence

Your feedback is important to us.

Visit Sydney Water Talk to learn more about our projects and provide feedback.