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Western Corridor Recycled Water Scheme

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Coordinates: 27°32′54″S 152°32′48″E / 27.54833°S 152.54667°E / -27.54833; 152.54667
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Western Corridor Recycled Water Scheme
Recycled water project
Swanbank Power Station used recycled water from the scheme.
Western Corridor Recycled Water Scheme is located in Queensland
Western Corridor Recycled Water Scheme
Location of the Western Corridor Recycled Water Scheme in Queensland
CountryAustralia
LocationSouth East Queensland
Coordinates27°32′54″S 152°32′48″E / 27.54833°S 152.54667°E / -27.54833; 152.54667
PurposeRecycle wastewater for industry and agriculture
StatusOperational
Construction began2006 (2006)
Opening dateNovember 2008 (2008-11)
CostA$2.5 billion
Operator(s)Seqwater
Total capacity232 ML (51×10^6 imp gal; 61×10^6 US gal) per day

The Western Corridor Recycled Water Scheme, a recycled water project, is located in the South East region of Queensland in Australia. The scheme is managed by Seqwater and forms a key part of the SEQ Water Grid constructed by the Queensland Government in response to population growth, climate change and severe drought. The A$2.5 billion project is reported as the largest recycled water project in Australia.[1] As of 2019, the scheme has been constructed and its performance has been validated.[2] It remains in care and maintenance mode, and will commence operation after SEQ Water Grid dam levels reach 60%.[3]

Location and features

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The scheme involved the construction of three advanced water treatment plants constructed at Bundamba, Luggage Point and Gibson Island, which draw water from six existing wastewater treatment plants in the region to produce up to 232 megalitres (51×10^6 imp gal; 61×10^6 US gal) of purified recycled water daily.[4] The treatment train consists of microfiltration, reverse osmosis, ultraviolet light with advanced oxidation and chlorine disinfection.[citation needed]

The water is distributed via a network of pipelines measuring more than 200 kilometres (120 mi) in length. Construction began on the Recycled Water Project in 2006 and completed in late 2008.[5][6] A$408 million of funding was provided by the Australian Government via its Water Smart Australia Program.[7]

In Stage 1 of the project the scheme has provided an alternative water source for Swanbank Power Station and both Tarong Power Station and Tarong North Power Station. Supplies to Swanbank started in 2007 and supplies to Tarong and Tarong North started in June 2008.[2]

The system has the capacity to provide water to other industrial users, agricultural users and to supplement drinking water supplies in Wivenhoe Dam. Testing of the pipeline to Wivenhoe Dam has been conducted, however in November 2008, Premier Anna Bligh declared that recycled water will not enter the dam unless levels drop to below 40%.[5] Initially, the three power stations were the main customers of the recycled water, consuming 112 megalitres (25×10^6 imp gal; 30×10^6 US gal) per day.[5]

Since coming online in August 2007, through to July 2010, the Western Corridor Recycled Water Scheme has supplied more than 37 thousand megalitres (8.1×10^9 imp gal; 9.8×10^9 US gal) of water into the SEQ Water Grid.[citation needed]

In January 2013 it was reported that the Newman government was considering shutting down part or all of the scheme.[1]

See also

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References

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  1. ^ a b Walker, Jamie (21 January 2013). "Mothballs for Brisbane recycling scheme". The Australian. Retrieved 5 July 2014.
  2. ^ a b Potable Water Reuse - What can Australia learn from global experience? Final Report Project #3039. Water Research Australia. ISBN 978-1-921732-50-8.
  3. ^ "Purified Recycled Water" (PDF). Seqwater. Retrieved 16 May 2021.
  4. ^ "Western Corridor Recycling Plant". Department of the Environment. Australian Government. Retrieved 5 July 2014.
  5. ^ a b c Johnstone, Craig (8 May 2009). "Water recycling pipeline in mothballs". The Courier-Mail. Queensland. Retrieved 5 July 2014.
  6. ^ "Western Corridor Recycled Water Project, Queensland". Key contracts and projects. Veolia Water. 2010. Retrieved 5 July 2014.
  7. ^ "Final progress report Western Corridor Recycled Water Project: Stage 2". Department of Sustainability, Environment, Water, Population and Communities. Australian Government. 4 March 2010. Retrieved 14 October 2010.
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