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SEQ Water Grid

SEQ Water Grid
WGlogo WEB.jpg
Water grid overview
Jurisdiction South East Queensland
Key document
Website seqwater.com.au

The SEQ Water Grid is a region-wide, long term, water supply scheme that provides a sustainable water infrastructure network for the South East region of Queensland, Australia. The project was the largest urban response to the drought in Australia, which severely affected water supplies in Brisbane and surrounds, particularly between 2004 and 2007. The basic component of the project was a 535-kilometre (332 mi) network of potable bulk water pipelines that connect areas that have an oversupply of water to those areas lacking water. The project went online in October 2008 and by November 2008 parts of the region were receiving a diversified supply of water for the first time.

The SEQ Water Grid was initially managed by a partnership between Seqwater, LinkWater and the SEQ Water Grid Manager. The total cost of the project was A$6.9 billion. On 1 January 2013, the SEQ Water Grid Manager, LinkWater, Seqwater and parts of Queensland Water Commission were amalgamated into the Queensland Bulkwater Authority trading as Seqwater. The authority is a state-owned corporation that owns and operates the SEQ Bulk Water Supply System or the Bulk Water Supply Chain.

The plan for the Water Grid was originally laid out in the Queensland Water Commission's South East Queensland Water Strategy, a 50-year strategy to maintain adequate water supply. The main objectives are to respond to the drought and provide long term water security for the region, particularly to avoid the need to place severe water restrictions on residents. Other aims of the Water Grid are to move risk away from individual water storage facilities to the regional level and to efficiently coordinate the utility of water sources in South East Queensland.

Existing facilities that have become part of the Water Grid include Wivenhoe Dam, Somerset Dam, North Pine Dam and Baroon Pocket Dam, along with eight other dams that make up the 12 connected dams. Part of the project involved the construction of the Gold Coast Desalination Plant to convert sea water to drinking water and the Western Corridor Recycled Water Scheme to purify treated wastewater for supply to power stations and industrial and agricultural customers. Purified recycled water will also be added to the water supply once combined dam levels fall below 40 per cent.


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