DEECA
Water supply system

Casterton system

About the area

The Casterton system sources surface water from the Konongwootong Reservoir and groundwater from aquifers in the Tullich Borefield. It system services the townships of Casterton, Coleraine, Sandford and Merino.

Casterton has a water treatment plant producing potable water for urban use.

This system is supplied by Wannon Water.

Water balance

The table below shows the total volumes of water supplied from water resources in the Casterton system in 2021-22.

Table 1: Water balance, Casterton system