Recycled water is used to grow fodder at the Western Treatment Plant
The Western Treatment Plant treats about 52% of Melbourne's sewage, or about 485 million litres a day. Melbourne Water’s major environmental upgrade at the plant has enabled more opportunities to recycle water onsite and to external customers.
Onsite recycling schemes at the plant could use between 35,000 and 50,000 million litres a year of Class C recycled water (about 30% of the plant's total effluent, or more than half our overall target) by 2006. In 2004/05, 20,676 million litres was used to irrigate pasture within the boundaries of the treatment plant.
Melbourne Water has constructed a water recycling disinfection plant at the Western Treatment Plant to treat Class C recycled water to Class A standard for distribution to a number of water recycling schemes in the nearby Werribee region.
Werribee Tourist Precinct
Supply of recycled water to the Werribee Tourist Precinct began in 2003 after the completion of a six-kilometre pipeline from the Western Treatment Plant.
The pipeline has sufficient capacity to meet future demand for recycled water in the precinct of up to 900 million litres a year. The Werribee Park Golf Club and the National Equestrian Centre were the first recycled water customers to the west of Melbourne. The Werribee Tourist Precinct also includes the historic Werribee Mansion, Victoria's Open Range Zoo and Werribee Park.
Werribee Irrigation District
In January 2005, the Western Treatment Plant began supplying recycled water to the Werribee Irrigation District project.
Initially, around 3000 million litres of Class A recycled water will be delivered to Southern Rural Water to supply about 130 farmers in the Werribee South area each year by 2006/07. This has the potential to expand to more than 8500 million litres of recycled water after 2009.
Supplying recycled water will take pressure off the Werribee River and underground aquifers, which were the previous main sources of irrigation water in the region.
Werribee Irrigation District Recycled Water Scheme - more information.
Werribee Technology Precinct
The National Equestrian Centre at Werribee was among our first recycling customers in Melbourne's western region
We are currently working with City West Water to supply recycled water from the Western Treatment Plant to the Werribee Technology Precinct. Recycled water will replace up to 100 million litres per year of drinking quality water used for pump lubrication and cooling at the Hoppers Crossing Pumping Station and up to 165 million litres per year for watering industrial/commercial green spaces. In the future this project will potentially use about 1000 million litres per year in a variety of processes. This project has strong support from Wyndham City Council and is expected to begin in mid 2006. These initiatives are part of the Victorian Government’s Werribee Plains - A Vision for Sustainable Growth program, which aims to transform the Werribee Plains into a region internationally renowned for its sustainable development.
Residential developments
We are working with stakeholders, such as City West Water and other neighbouring water authorities and Government departments, to investigate pipeline projects that would transport recycled water to neighbouring suburbs in the City of Wyndham for new residential developments. These include residential developments north-west and north-east of the Western Treatment Plant.
A master plan for Werribee Fields, a new 2000-home 'green' suburb showcasing market-leading sustainable water and energy use, is being developed. The suburb will incorporate environmentally-friendly features including 'third pipe' recycled water systems and energy-efficient housing, creating a new green and sustainable urban community.
Other projects that could also use recycled water in the future include major industrial and commercial operations in Altona and Laverton.
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