About the area
Westernport Water supplies towns and adjacent properties on Phillip Island, and on the eastern shore of Western Port from The Gurdies to Dalyston, servicing an area of 300 km2.
Westernport Water supplies upwards of 24,000 customers across 27 townships.
Water is sourced from:
- Candowie Reservoir, a storage on Tennant Creek in the South Gippsland river basin
- the Melbourne Supply System
- direct diversion from the Bass River
- Corinella Aquifer via three groundwater bores.
Water is treated at Candowie Reservoir and passed to the San Remo storage basin, from which it is delivered via a single, integrated water supply system.
More information on the water corporation can be found at Westernport
2023-24 overview
Urban deliveries
2,434 ML of urban residential and non-residential deliveries were made in 2023-24, similar to the previous year (2,363 ML).
Wastewater recycled at treatment plants
20% of wastewater was recycled (320 ML of 1,582 ML), similar to 18% in 2022-23.
Water deliveries
Urban systems
Westernport Water operates one urban supply system. Water is sourced from the South Gippsland basin.
Table 1: Urban system water balance, Westernport Water
Recycled water
Water recycled at wastewater treatment plants can be used to supplement water available in river basins. Table 2 lists the wastewater treatment plants managed by Westernport Water. Water discharged to the environment from treatment plants is included as an inflow to the water balance for each of the river basins.
More information can be found in How we account for water supply.
