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Hydrography, Linear (Hierarchy) (DWER-031)
Major streamlines of WA, coded with a hierarchy and are named. The dataset includes many streams in addition to the detailed Hydrography in areas where its data is limited (eg.... -
Contaminated Sites Database (DWER-059)
The Contaminated Sites Database holds information on confirmed contaminated sites (those classified ‘contaminated-remediation required’, ‘contaminated - restricted use’ and... -
Acid Sulfate Soil Risk Map, Swan Coastal Plain (DWER-055)
Map of the risk of Acid Sulfate Soil (ASS) materials being disturbed by land development activities based on the likelihood of ASS materials occurring within soil profiles. This... -
Clearing Regulations - Environmentally Sensitive Areas (DWER-046)
Environmentally Sensitive Areas as declared in Environmental Protection (Environmentally Sensitive Areas) Notice 2005, Government Gazette No. 55. This dataset is provided to... -
Hydrographic Catchments - Catchments (DWER-028)
This dataset is the Western Australian component of a national Drainage Divisions and Basins dataset overseen by the Australian Water Resources Council. It is part of a... -
FPM Floodplain Area (DWER-020)
The Department of Water and Environmental Regulation produces floodplain mapping of rivers and major watercourses and provides floodplain development advice to ensure that... -
Public Drinking Water Source Areas (DWER-033)
Public drinking water source areas (PDWSAs) are surface water catchments and groundwater areas that provide drinking water to cities, towns and communities throughout the state.... -
Groundwater Salinity Statewide (DWER-026)
Interpretive and indicative Groundwater salinity mapping statewide. This dataset was formerly known as Groundwater Salinity Statewide (DOW-030) -
Acid Sulfate Soil Risk Map, Estuaries (DWER-050)
Predicted risk of Acid Sulfate Soil (ASS) materials occurring within shallow soil layers in WA Estuaries (not covered by other Department of Environment ASS risk datasets) that... -
Hydrographic Catchments - Subcatchments (DWER-030)
This dataset is the Western Australian component of a national Drainage Divisions and Basins dataset overseen by the Australian Water Resources Council. It is part of a... -
FPM 1 in 100 (1%) AEP Floodway and Flood Fringe Area (DWER-014)
The Department of Water and Environmental Regulation produces floodplain mapping of rivers and major watercourses and provides floodplain development advice to ensure that... -
FPM Extent of Flooding (DWER-017)
The Department of Water and Environmental Regulation produces floodplain mapping of rivers and major watercourses and provides floodplain development advice to ensure that... -
EPA Referred Significant Proposals (DWER-120)
A key role of the EPA is to provide Government with advice on the environmental acceptability of proposed development. Development proposals include proposals for mining,... -
RIWI Act, Rivers (DWER-036)
Areas are proclaimed under the following act - Rights in Water And Irrigation Act. Rivers classification mapping is developed to control the extraction and licensing of stream... -
Wild Rivers (DWER-087)
Wild Rivers are rivers that are largely unchanged natural systems, where biological and hydrological processes continue without significant disturbance. They occur in a variety... -
RIWI Act, Groundwater Areas (DWER-034)
Groundwater areas proclaimed under the Rights in Water and Irrigation Act, 1914. For the purposes of groundwater resource management, the state of Western Australia is divided... -
FPM Flood Level Contours (m AHD) (DWER-018)
The Department of Water and Environmental Regulation produces floodplain mapping of rivers and major watercourses and provides floodplain development advice to ensure that... -
Swan Coastal Plain and Region Schemes 2024 Remnant Vegetation Statistics
The purpose of the statistics reports is to provide information on the status of remnant vegetation for the Swan Coastal Plain bioregion, the Metropolitan, Peel and portion of... -
Clearing Instruments Activities (Areas Approved to Clear) (DWER-076)
Clearing Instruments Activities (areas approved to be cleared under a clearing permit) for Western Australia are derived from authorisations and other instruments relating to... -
FPM Historical Extent of Flooding (DWER-123)
Historically, low-lying land adjacent to rivers and coastlines has been favoured for settlement as they provided sources of fresh water, food, transportation and waste disposal....