Eastern Treatment Plant

The Eastern Treatment Plant is an 1,100ha sewage treatment plant, located in the suburb of Bangholme in Victoria, Australia, 31 km south-east of Melbourne's central business district.

The treatment plant is an important site for chestnut teal

The plant was built in 1975 and is owned by Melbourne Water. Following treatment, some water is used as recycled water in the local area. South East Water is a major supplier of recycled water from the Eastern Treatment Plant. The rest is pumped through a 56 km pipeline to discharge into Bass Strait at Boags Rocks on the Mornington Peninsula.[1]

Description

The plant is on an 1,100ha site bordered by the Patterson River to the north, the Mornington Peninsula Freeway to the west, and the EastLink Tollway to the south and east.[2]

The plant treats around 40% of Melbourne's sewage - about 330ML a day - from about 1.5 million people, mainly in the eastern and south-eastern suburbs. It generates its own electricity from biogas.

Upgrade

After years of lobbying by community groups led by the Clean Ocean Foundation, as of November 2011, the Eastern Treatment Plant was undergoing an upgrade to reduce environmental impact of the water discharge and increase water reuse applications of the water. The wastewater will be treated by ozone, biological filters, ultraviolet disinfection, and chlorine.[3] The UV disinfection system that will be installed at the Plant will be the largest in Australia, consisting of 7 closed-vessel UV reactors.[4]

Birds

Along with the nearby Edithvale-Seaford Wetlands, the ETP is part of the Carrum Wetlands Important Bird Area (IBA) and supports many bird species of regional, state, national and international conservation significance. Species for which the IBA is globally important are the sharp-tailed sandpiper, blue-billed duck, chestnut teal and Australasian bittern.[5] There is no public access to the ETP for birdwatchers but the birdlife has been monitored since 1998 by monthly surveys conducted by Birds Australia, with 177 species recorded for the site.[1]

See also

References
  1. "Eastern Treatment Plant". Melbourne Water. Archived from the original on 25 May 2011. Retrieved 13 June 2011.
  2. Observable from official Melway maps, http://www.street-directory.com.au/vic/melbourne
  3. "Upgrading the Eastern Treatment Plant". Melbourne Water. Retrieved 15 November 2011.
  4. "Trojan to Supply Australia's Largest Ultraviolet (UV) Disinfection System". Trojan Technologies. Retrieved 15 November 2011.
  5. "IBA: Carrum Wetlands". Birdata. Birds Australia. Archived from the original on 6 July 2011. Retrieved 13 June 2011.


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