Water resources | Western Australian Government

Government of Western Australia

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Managing water use, protecting our waterways and promoting water sustainability.

Access the Geomorphic Wetlands dataset

This dataset describes the wetlands of the Swan Coastal Plain representing two main aspects, physical classification and environmental evaluation.

Apply for a Community Stewardship Grant

These grants support community-based projects that serve to protect and restore the local environment.

Apply for a Swan Canning Riverpark development, permit or commercial activity

Apply for development applications, commercial operator licences and permits for use in Swan Canning Riverpark.

Apply for a water licence or permit

You may need a water licence for taking or interfering with surface water, overland flow water or groundwater.

Calculate water requirements for commercial crop production

The Irrigation Calculator provides broad guidance for water requirements of commercial crops produced in Western Australia.

Check current river levels, rainfall levels and flood warnings

The Department of Water and Environment Regulation monitors river levels and rainfall to help prepare flood forecasts and warnings to Western Australia's communities.

Check garden bore water restrictions

Check bore sprinkler restrictions, rosters and exemption criteria

Check Perth groundwater information

The Perth Groundwater Map has been designed to help water-bore drillers, irrigators, and private householders establish groundwater bores in the watertable aquifer.

Check surface and groundwater data

View water sampling information via a map-driven system.

Cockburn groundwater allocation plan

The 2021 Cockburn groundwater allocation plan guides our management of groundwater resources to support both water users and the ecosystems that depend on groundwater.

Development in public drinking water source areas

Information about managing development in public drinking water source areas.

Download spatial data

Spatial data collected by Department of Water and Environmental Regulation.

Drinking water matters

Safe drinking water is essential for life. Drinking water for cities and towns in Western Australia comes from natural sources, seawater desalination and recycled water.

Drinking water source protection reports - A to B

Reports for public drinking water source areas, listed by source name

Drinking water source protection reports - C to D

Reports for public drinking water source areas, listed by source name

Drinking water source protection reports - E to K

Reports for public drinking water source areas, listed by source name

Drinking water source protection reports - L to M

Reports for public drinking water source areas, listed by source name

Drinking water source protection reports - N to Q

Reports for public drinking water source areas, listed by source name

Drinking water source protection reports - R to Z

Reports for public drinking water source areas, listed by source name

Gnangara groundwater allocation plan

The 2022 Gnangara groundwater allocation plan sets out how we will manage the Gnangara groundwater system – Perth’s largest natural water resource – to continue adapting to climate change.

Groundwater investigations

Western Australia relies on groundwater for drinking water supplies, irrigated agriculture, industry, mining, economic development and liveable communities more than any other state in the country. Groundwater is also essential for the natural environment to flourish.

Groundwater investigations - Mid West Gascoyne region

Details of our active and completed groundwater investigations in the Mid West Gascoyne region.

Groundwater investigations - North West region

Details of our active and completed groundwater investigations in the North West region of Western Australia

Groundwater investigations - Perth-Peel region

Details about our active and completed groundwater investigations in the Perth-Peel region

Groundwater investigations - South Coast region

Details of our active and completed groundwater investigations in the South Coast region of Western Australia.

Groundwater investigations - South West region

Details of our active and completed groundwater investigations in the South West region of Western Australia.

Groundwater investigations - Statewide

Details of our active and completed statewide groundwater investigations.

Groundwater investigations technical reports

A list of our published and unpublished technical reports on completed groundwater studies.

Land use compatibility tables for public drinking water source areas

Information about appropriate land uses and activities within public drinking water source areas.

National On-Farm Emergency Water Infrastructure Rebate Scheme

The Western Australian Government has reached an agreement with the Federal Government to provide funding to farmers who applied under the National On-Farm Emergency Water Infrastructure Rebate Scheme.

Online mapping tool for public drinking water source areas

This tool provides data on the public drinking water source areas in WA.

Parliamentary inquiry into recreation within drinking water catchments

Inquiry to investigate the impacts of recreation in public drinking water source areas.

Program: Waterwise Perth action plan

A Waterwise Perth is cool, liveable, green and sustainable – a place where people want to live, work and spend their time.

Public drinking water source areas

Information about Western Australia's public drinking water source areas.

Rainfall and dam levels in Western Australia

Check rainfall and dam levels and find out how declining rainfall is affecting the amount of water in our dams.

Rebalancing Our Groundwater

Rebalancing Perth and Mandurah’s groundwater resources in response to climate change

Recreation within public drinking water source areas on Crown land

Our drinking water sources require protection from contamination risks associated with recreation activities.

Submit requests for water planning advice

Advice is provided to decision making authorities and considers potential impacts on the State’s water resources from future land planning and development proposals.

Water Efficiency Labelling and Standards (WELS) Scheme

The Water Efficiency Labelling and Standards (WELS) Scheme provides consumers with information on the water efficiency of appliances such as washing machines, dishwashers and showers.

Water quality guidance

Information and examples about how to protect water quality for your project, development or activity.

© Government of Western Australia 2017 to 2022