The Binningup Desalination Plant is a desalination plant being built near Binningup, Western Australia

Binningup, Western Australia

Binningup is a town located on the coast in the South West region of Western Australia between Mandurah and Bunbury. At the 2006 census, Binningup had a population of 950.-History:...

, about 150 kilometres (93.2 mi) south of Perth

Perth, Western Australia

Perth is the capital and largest city of the Australian state of Western Australia and the fourth most populous city in Australia. The Perth metropolitan area has an estimated population of almost 1,700,000....

. It will supply water to the state capital Perth, as well as the nearby regional city of Bunbury

Bunbury, Western Australia

The port city of Bunbury is the third largest city in Western Australia after the State Capital Perth and Mandurah. It is situated south of Perth's central business district...

 and is known as the Southern Seawater Desalination Project It is designed to initially deliver 50 gigalitres of potable water per year. When completed, the plant will deliver 100 gigalitres of potable water per year, or 20% of Perth's requirements.

The site is in Taranto Road, Binningup, about 1,200 metres from the coast with most of the plant situated in a now disused limestone quarry. The project will include the laying of a 30 kilometres (18.6 mi), 1300 millimetres (51.2 in) pipeline to deliver potable water to the South West Integrated System via a storage facility near Harvey

Harvey, Western Australia

Harvey is a town located in the South West of Western Australia along the South Western Highway, 140 km south of Perth, between Pinjarra and Bunbury...

. The Harvey facility will comprise of four 32 megalitre storage tanks.

The plant was officially opened in September 2011 at reduced output. It will be completed some time in 2012.