Barwon Water's area of responsibility covers more than 8,100 square kilometres, stretching from Little River and the Bellarine Peninsula in the east to Colac in the west, and from Meredith & Cressy in the north to Apollo Bay on the south-west coast.

Central Highlands Water provides water supply and wastewater treatment services to more than 120,000 customers in Victoria's central west. Central Highlands Water services the populations of Ballarat, Maryborough, Daylesford, Beaufort and surrounds.

City West Water provides water, sewerage and trade waste services to customers in Melbourne's central business district, inner and western suburbs.

Coliban Water provides 130,000 retail, urban and rural water customers with water & wastewater services, over an area of 16,500 square kilometres of Central and Northern Victoria.

East Gippsland Water provides water and wastewater services for the communities of East Gippsland. Geographically this covers an area from Bairnsdale to Dinner Plain in the north and Mallacoota in the eastern tip of Victoria.

Gippsland Water's geographic region stretches from Drouin in the west, to Stratford in the east and from Mirboo North in the south, to Rawson and Briagolong in the north. The region supports a population base of around 133,000 people.

Goulburn Valley Water provides water and wastewater services to 54 towns and cities from the outskirts of Melbourne in the south to the Murray River in the north.

Lower Murray Water was established following the merger on the 1st of July 2004 of Lower Murray Region Water Authority (Urban Water) and Sunraysia Rural Water Authority (Rural Water).

North East Water provides water and sewerage services throughout a region that extends from Corryong in the east, along the Murray River to Yarrawonga, then south to Benalla and the alpine towns of Bright, Mt. Beauty and Dartmouth.

South East Water provides water and sewerage services to 1.3 million people in the south-east region of Melbourne.

South Gippsland Water seeks to support, or provide, relevant economic development infrastructure, environmentally sustainable water and wastewater services, and social benefits to customers and the wider community of the South Gippsland Region.

From July 1 2005, Glenelg Region Water, Portland Coast Water and South West Water merged to become Wannon Region Water Authority.

Western Water provides water and wastewater services to an area of approximately 3,000 square kilometres. This area extends from Lancefield in the north to Melton and Rockbank in the south, Myrniong in the west and Bulla in the east.

Westernport Water provides water, wastewater and gas services to approximately 15,000 properties on Phillip Island and an area of the mainland from The Gurdies to Archies Creek.

YVW provides water supply and sewerage services to 1.5 million people who live and work in the Yarra River catchment area of Melbourne.

Council aims to supply a clean, safe & secure water supply to the people of Bathurst in a way that meets their needs, in an efficient, cost effective manner which maximises the potential benefits of the resource & satisfies natural ecosystem needs.

The Bega Valley Shire extends from Wallaga Lake (Bermagui) in the north to Cape Howe and the Victorian border in the south.

Bellingen Shire Council is responsible for providing its NSW Mid North Coast community with water and sewerage, along with a range of other environmental, social and infrastructure services.

Central Tablelands Water is the trading name adopted by Central Tablelands County Council, a water supply authority constituted under NSW Local Government legislation. It is located in the Central West of NSW ranging from Blayney to Grenfell.

North Coast Water is a Local Government regional water supply authority for the Clarence Valley, located in the Northern Rivers Area of NSW.

Coffs Harbour Water is a business unit of Coffs Harbour City Council that manages the water supply and wastewater operations throughout the city. It was formed in June 2002 to encourage a more sustainable use of water in the city.

Cooma-Monaro Shire Council provides water services to the township of Cooma situated only one hour from the Mountains, Canberra and the Coast, and only 4 hours to Sydney.

Deniliquin Council is responsible for providing appropriate services and facilities to the community, including water and sewerage, and to ensure that those services and facilities are managed efficiently and effectively.

Dubbo City Council is a leading Council in one of the fastest growing inland cities in Australia. Its mission is to manage Dubbo’s growth in an ecologically sustainable manner to meet the service and lifestyle needs of residents and visitors.

Eurobodalla Shire Council serves a thriving community of 35,000 people on the South Coast of NSW, around 4 hours south of Sydney. Batemans Bay, Moruya and Narooma are the main towns in the Shire.

The City of Griffith is the regional centre of the Murrumbidgee Irrigation Area. Council aims to supply water at standards that meet consumer needs & take used water for appropriate treatment, further use or disposal without harm to the environment.

Hunter Water is a State-owned Corporation providing water and wastewater services for over half a million people in the lower Hunter region.

MidCoast Water administers an area of some 7000 square kilometres, from North Karuah to Johns River taking in the communities of Taree, Wingham, Harrington, Forster, Tuncurry, Bulahdelah, Stroud and Tea Gardens including surrounding villages.

The Shire of Moree Plains, located on the NSW and Qld border, is one of the largest local government areas in NSW. It is a progressive dynamic community, boasting strong agricultural industries in cotton, grain, oilseeds and pecan nuts.

The Murray Shire is almost entirely surrounded by the Murray River & its tributaries. The Shire Council provides water to 2660 customers.

The Water & Sewerage business unit supplies reticulated water to Musswellbrook, Denman & Sandy Hollow, and sewerage services to Musswellbrook & Denman. Water comes from reservoirs off Coal Rd (22ML) & the Acacia reservoir (2ML) for South Muswellbrook.

Nambucca Shire Council is situated on the NSW mid-north coast & provides water to 6,130 customers from Valla Beach down to Scotts Head on the Coast.

Narrabri Shire covers an area of some 13,065 sq km and is the heart of the rich Namoi Valley in north west NSW. The area is renowned for its wealth in the production of some of the world's highest quality cotton, beef, wheat, fat lambs and wool.

Narrandera Shire Council provides water services to 2010 customers.

Orange is a modern city that has grown from its rich mining past. It supports a population of 38,000 people and provides water from the Spring Creek and Icely Road Water Filtration Plants.

Port Macquarie-Hastings Council manages water supply, sewerage schemes and septic waste treatment to serve the residents and businesses in the council's region which includes Port Macquarie, Camden Haven and Wauchope.

Located in the centre of the Hunter Valley region of NSW, Singleton enjoys a pleasant lifestyle with a moderate climate. The busy commercial centre supports a vibrant industrial sector, based largely on coal mining and electricity generation.

Tamworth Regional Council currently supplies water for the Attunga, Barraba, Bendemeer, Manilla, Moonbi/Kootingal, Nundle and Tamworth, and operates five wastewater treatment plants in the region.

Tucked in south west NSW, the Tumut region is spectacular in natural beauty and diversity. As over half of the Shire is State Forest, National Parks or water storage, Council is committed to developing the region's economy based on natural assets.

Upper Hunter Shire Council is located at the northern end of the Hunter Valley. The shire provides water and sewage services to the towns of Scone, Merriwa and Murrurundi.

Walgett Shire Council is responsible for water and sewerage services for Walgett, Lightening Ridge and the surrounding areas.