Western Water logoWestern Water provides drinking water, sewerage, trade waste and recycled water services to more than 160,000 residents and 3,000 businesses to the north-west of Melbourne.

Western Water's service area stretches across 3,000 square kilometres and includes Melton, Diggers Rest, Bulla and Sunbury on the outskirts of Melbourne, as well as Bacchus Marsh, Lancefield, Romsey and towns in the Macedon Ranges.

Sector Block 1 icon

3,000 km2

Service Area

Sector Block 1 icon


Population Served

Sector Block 1 icon



Sector Block 1 icon


95% residential
Urban Customers

Sector Block 1 icon

13.5b litres

84% residential
Drinking Water Supplied

Sector Block 1 icon


Annual Revenue

Want to know more? View the data for all 19 water corporations

Aboriginal acknowledgement

Western Water acknowledges the Traditional Owners of the lands in which its service area lies: the people of the Kulin Nation. It pays respect to their Ancestors and to their Elders, past and present.

Service area

Local government areas served by Western Water include:

  • Hume
  • Macedon Ranges
  • Melton
  • Moorabool

Stylised map of service area - contact Western Water for more information 1300 650 422

Note: This map is indicative only. Please contact Western Water for more accurate and up-to-date service area information. You can also use our interactive map to find out whether your location is serviced by Western Water.

Water sources

Most towns in Western Water’s service region are connected to at least two drinking water sources – the Melbourne supply system and local reservoirs. The major local reservoirs are Rosslynne, near Gisborne, and Merrimu, near Bacchus Marsh.

A number of smaller local reservoirs supply water to some towns in the Macedon Ranges, while Pykes Creek Reservoir supplies the small community of Myrniong.

More detailed information about water sources can be found in Western Water’s latest Annual Water Quality Report.

Assets at a glance

Western Water operates and maintains a range of water and sewerage infrastructure. This includes the following assets.

sewer pump stations
recycled water plants
chlorination plants
water filtration plants
water storage tanks
water pump stations
km of sewer mains
km of water mains
km of recycled water mains

Board of Directors

The Board of Directors is responsible for Western Water’s strategic planning and is accountable to the Minister for Water for the corporation’s performance. The Board is supported and advised by the Executive, who oversee the corporation’s day-to-day management under the leadership of the Managing Director.

Find out more about Western Water’s Board of Directors and how they are appointed.

More information

Website: www.westernwater.com.au

Address: 36 Macedon Street, Sunbury VIC 3429

Postal: PO Box 2371, Sunbury DC VIC 3429

Phone: 1300 650 422

Email: mail@westernwater.com.au

The information on this page was sourced from Western Water’s 2017-18 Annual Report and 2016-17 Annual Water Quality Report.

Page last updated: 08/02/19