The Department of Water has delegated responsibility for managing the state's water resources. This covers water for drinking, industry, mining, agriculture and urban development, as well as our natural waterways such as rivers and estuaries.
While we live in a dry state, we are fortunate to have access to good quality water sources. Very few of us think about where the water comes from – an aquifer, surface water, or a blend from several sources.
We enjoy living near our estuaries and rivers, but we need to protect the water quality in these waterways by controlling our land uses and their impact on these waterways.
Information on the state’s groundwater resources, locations, investigations, aquifer recharge and sustainable management of water resources, including an overview of state groundwater investigations.
Surface water, like rivers and streams used for public water supply, self-supply, irrigation, recreation and hydropower and rainfall and streamflow monitoring, catchment modelling and flood studies to manage surface water.
Click here for information about water quality, including public drinking water source areas, salinity, brochures, fact sheets and best management practices for various land uses and activities to help protect water quality and public health.
Rivers and estuaries and their importance including information on monitoring and assessing waterways, protecting, understanding, planning, restoring, and risks and threats.
There are 166 estuaries in Western Australia as established through the National Land and Water Resources Audit (NLWRA) 2000, where an estuary is defined as
Information on the department’s role in relation to the shale and tight gas industry.