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Water supply wastewater and drainage services

   

Water supply, wastewater and drainage services

  Legislation, regulation, statutory instruments, licences (colour code: orange)
 
  Institutions or individuals, such as a state minister & departments, authorities,water customers, associations & activities (colour code: green)
 
  Non-statutory documents & activities (colour code: blue)
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Urban water supply and services
The Water Corporation is a vertically integrated water business and supplies water and wastewater services to residential and industrial customers in the Perth metropolitan area, parts of the south-west Western Australia, and the Goldfields and agricultural supply scheme through the integrated water supply scheme.

Non-major urban water supply and services
Aqwest, Busselton Water and Rottnest Island Authority are government statutory authorities that supply retail water services to residential and industrial customers in Bunbury, Busselton and Rottnest Island respectively.
The Water Corporation supplies water and wastewater services to residential and industrial customers in regional centres in Western Australia.
Hammersley Iron is a private company that holds a water services operating licence from the ERA to provide potable water supply and sewerage services in the towns in which they operate from: Dampier, Paraburdoo and Tom Price.
There are 20 local government authorities in regional areas that hold water services operating licences from the ERA to provide wastewater services within their local government area.

Rural water supply and delivery
Wholesale water
The Water Corporation supplies wholesale water to Gascoyne Water.
The Water Corporation provides Harvey Water, Ord Water and the Preston Valley Irrigation Cooperative with a water storage service. The cooperatives’ water, provided by right of licence from Department of Water, is stored in, and accessed from, Water Corporation’s dams.
Retail water
Four irrigation co-operatives provide retail water for cooperative members. Some cooperatives sell water to external users (although, generally these are not large volume transactions).
Gascoyne Water comprises two private irrigator cooperatives: one to own and manage the infrastructure assets (Gascoyne Water Asset Mutual Cooperative); and one to manage the irrigation business (Gascoyne Water Cooperative). Gascoyne Water is licensed by the Department of Water to take water that is stored in and released from dams owned by the Water Corporation. Each cooperative determines the water charges it passes onto its member customers. Both boards review water charging levels annually.
Harvey Water comprises two private irrigator cooperatives: one to own and manage the infrastructure assets (South West Irrigation Asset Cooperative Ltd); and one to manage the irrigation business (South West Irrigation Management Cooperative Ltd — SWIMCO). SWIMCO has the trading name of Harvey Water and is licensed by the Department of Water to take water that is stored in and released from dams owned by the Water Corporation. The cooperative determines the water charges it passes onto its member customers. These charges are reviewed annually.
Ord Water comprises two private irrigator cooperatives: one to own and manage the infrastructure assets (Ord Irrigation Asset Mutual Cooperative) and one to manage the irrigation business (Ord Irrigation Cooperative). Ord Water is licensed by the Department of Water to take water that is stored in and released from dams owned by the Water Corporation. Ord Water determines the water charges passed onto its member customers.
Preston Valley Irrigation Cooperative supplies water to customers along the Preston River near Donnybrook. The cooperative obtains its water from the Water Corporation’s Glen Mervyn dam and sets its own water charges.




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