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Government of Western Australia Department of Water and Environmental Regulation
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Licences and how to apply, licensing policies, forms to download and answers to questions frequently asked by current and prospective licensees.

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Find out who is eligible to trade water entitlements and how applications are assessed. Click here to identify potential trading partners from the Water Register.

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For information on groundwater, garden bores and waterwise gardens please visit our Be Groundwater Wise website. You can find questions and answers about garden bores,

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Managing the state's water resources requires a significant focus on water quality. We use the term 'water quality' to refer to the physical, chemical and

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Floodplain mapping tool

View floodplain maps and levels in our Floodplain mapping tool to learn more about flood risk in Western Australia.

For site specific flood advice contact flood@dwer.wa.gov.au.

The floodplain maps provided in the tool are intended to be used for general interest and as a land use planning guide. The maps should not be used by the public to make decisions during a flood emergency.

More information

Page last updated - 31 Jul 2019
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The Department of Water and Environmental Regulation was established by the Government of Western Australia on 1 July 2017. It is a result of the amalgamation of the Department of Environment Regulation, Department of Water and the Office of the Environmental Protection Authority. This website/publication may contain references to previous government departments and programs. Please contact the Department of Water and Environmental Regulation to clarify any specific information.

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