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Sydney's Desalination Project

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Securing Sydney's water supply

With the uncertainty of climate change and a projected increase in Sydney's population, desalination is one of many activities underway to help secure Sydney's water supply for the future.

Powered by 100 per cent renewable energy, desalination is part of the NSW Government's Metropolitan Water Plan.

The plan sets out how the NSW Government intends to secure the water supply for Sydney, Illawarra and the Blue Mountains, in both the short and long terms.

This means having enough water available to:

Under the plan, Sydney Water is responsible for:

Sydney's Desalination Project

In November 2006, the Minister for Planning gave concept approval for the desalination project and project approval for the desalination plant at Kurnell and the seawater intake and outlet structures.

The plant will use reverse osmosis technology to remove salts and other impurities from seawater to produce drinking water. Water from the desalination plant at Kurnell will be pumped into Sydney's water distribution system through a pipeline from Kurnell, across Botany Bay to Kyeemagh.

From Kyeemagh the water will be distributed to up to 1.5 million people south of Sydney Harbour, to supplement their water supply. Approval for the pipeline was given in October 2007. The proposed pipeline route from Kyeemagh connects to the main City Water Tunnel at Erskineville.

Water supplied from the desalination plant will increase the total volume of water available to all customers across the whole Sydney Water area including the Blue Mountains, the Illawarra and Sydney.

The land portion of the pipeline will be laid using a number of methods, including open trench and trenchless construction. Construction in residential areas will be mostly trenchless, conditions permitting.

Please forward your enquiries, complaints and compliments to the desalination project team.

Free call 1800 685 833 (24 hours)
Email desalination@sydneywater.com.au
Post Sydney Water Communications Team
Sydney's Desalination Project
PO Box 3001
Erskineville NSW 2043