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Water Planning for Sydney
Water planning for Sydney

Water for people and water for the environment

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Recycled water targets

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.

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.

Using recycled water and harvested stormwater is a great way of saving our valuable drinking water and it can delay the need to invest in new supply infrastructure.

Increased water recycling is a key focus of the Metropolitan Water Plan and the NSW Government continues to investigate new, innovative and cost effective ways to treat and use recycled water.

Use of recycled water in Sydney: 70 billion litres a year by 2015

Use of recycled water in Sydney: 70 billion litres a year by 2015

In 2010, use of recycled water was saving about 33 billion litres of water a year that might otherwise come from our drinking supplies. In addition, the Water Industry Competition Act 2006 is making it easier for the private sector to invest in recycling.

Projects completed or under way include:

  • the Replacement Flows Project at St Marys that will provide 18 billion litres of highly treated recycled water to the Hawkesbury-Nepean River. This will save dam water normally released to help protect the river down stream 
  • the Wollongong Recycled Water Plant that supplies around seven billion litres each year
  • Australia’s largest dual-pipe residential recycling scheme at Rouse Hill that supplies about 2.2 billion litres each year to 19,000 homes for toilet flushing and watering gardens. This project has the capacity to be expanded to supply up to 36,000 homes as the area grows
  • Sydney Water is building similar residential schemes at Ropes Crossing and Hoxton Park
  • the Rosehill-Camellia Recycling Scheme will supply 4.7 billion litres of recycled water each year to major industrial and commercial users when it comes online in 2011. It is the first project delivered using the third party access regime under the Water Industry Competition Act 2006
  • around 70 local scale stormwater reuse projects in the greater Sydney area will save over two billion litres of water a year.

The NSW Government will continue to support cost-effective recycling schemes across greater Sydney.

Find out more view Chapter 4 of the 2010 Metropolitan Water Plan (PDF).