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Melton, Rockbank and surrounds

Melton is a large town located within the City of Melton 35km west of Melbourne.

Since the 1990s, Melton has experienced strong population growth. In 2010, Melton was included within Melbourne’s urban growth boundary. Rockbank is a growing community to the south east of Melton.

Greater Western Water services the following locations in the Melton and Rockbank area:

  • Aintree
  • Bonnie Brook
  • Brookfield
  • Cobblebank
  • Deanside
  • Exford
  • Eynesbury
  • Fieldstone
  • Fraser Rise
  • Grangefields
  • Harkness
  • Kurunjang
  • Melton
  • Melton South
  • Melton West
  • Rockbank
  • Strathtulloh
  • Thornhill Park
  • Toolern Vale
  • Weir Views


We use a number of water sources to ensure we can meet local demand even when inflows are low.

Water supplied in the Melton area can be sourced from:

  • the Melbourne supply system, and
  • Merrimu Reservoir, near Bacchus Marsh, and treated at the Merrimu Water Filtration Plant.

For current information, visit:


Sewage collected in the Melton area is treated at the Melton Recycled Water Plant, located near Mount Cottrell.

The plant is home to some of Western Water’s most innovative facilities including:

  • Class A recycled water treatment plant
  • Biogas cogeneration facility
  • Solar array (500 kilowatt)
  • Waste to Energy Facility (due in 2021).

Recycled water

Melton Recycled Water Plant produces both Class A and Class C recycled water.

Class C recycled water is used to irrigate farms, sportsfields and recreation areas.

Class A recycled water is used in thousands of residential homes in Melton and Eynesbury for toilet flushing, laundry and outdoor watering.

Greater Western Water has a licence to discharge excess recycled water volumes to Werribee River under strict conditions set by the Environment Protection Authority.

Projects and planned works

Strong population growth is expected to continue for the Melton area. To cater for this and ensure we remain compliant with relevant legislation and standards, the following projects are underway:

Other projects: