Proclaiming public drinking water source areas
Western Australia's drinking water comes from both surface water and groundwater sources.
The state proclaims public drinking water source areas under the Metropolitan Water Supply, Sewerage and Drainage Act 1909 or the Country Areas Water Supply Act 1947 as water reserves, catchment areas or underground water pollution control areas.
These acts provide the powers necessary to legally define the boundary of public drinking water source areas and also provide by-laws which are used to help protect water quality of these sources and public health. Please note the Department of Water is running a consultation process with stakeholders to review the drafting instructions for the public drinking water source area by-laws, which propose to amend or repeal the existing by-laws under both of these acts.
Water quality protection note no. 75: Proclaimed public drinking water source areas provides a list of currently proclaimed public drinking water source areas in Western Australia, or you can find them in the Geographic Data Atlas.
Proclamation maps can be found via publications search or by selecting:
- Country Areas Water Supply Act 1947 proclamation maps
- Metropolitan Water Supply Sewerage and Drainage Act 1909 proclamation maps.