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Iron Staining Risk (DWER-032)
The iron Staining Risk theme is divided into two categories: 1) High risk 2) Low risk High Risk: The iron staining classification represents areas delineated as having an... -
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... -
Leschenault Estuary Seagrass Survey - Extent (DWER-106)
Leschenault Estuary was surveyed in April 2009, February 2015, February and March 2016, February 2017, February and March 2018, February 2019, February and March 2020, February... -
State Environmental (Cockburn Sound) Policy Boundaries (DWER-058)
The Cockburn Sound ‘policy area’ includes Cockburn Sound and its catchment and is the area to which the State Environmental (Cockburn Sound) Policy applies. The Cockburn Sound... -
FPM 1 in 100 (1%) AEP Floodway and Flood Fringe Line (DWER-015)
The Department of Water and Environmental Regulation produces floodplain mapping of rivers and major watercourses and provides floodplain development advice to ensure that... -
Sprinkler Restrictions - Water Agencies (Water Use) Bylaws (DWER-044)
As part of the stages of water restriction, the Department of Water and Environmental Regulation prepared a state map contained four different areas of water restrictions which... -
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.... -
Acid Sulfate Soil Risk Map, Lower South West (DWER-052)
Data of the risk of Potential Acid Sulfate Soil (PASS) materials being disturbed by land development activities based on the likelihood of PASS materials occurring within 3m of... -
Wilson Inlet Seagrass Survey - Extent (DWER-115)
Wilson Inlet was surveyed in December 2017, April 2018, December 2019, December 2020, December 2021 and December 2022 by underwater drop camera observations and/or observations... -
FPM Bridges (DWER-016)
The Department of Water and Environmental Regulation produces floodplain mapping of rivers and major watercourses and provides floodplain development advice to ensure that... -
Foreshore Conditions - Weeds (DWER-013)
Point locations of specified weeds as found in the river foreshore assessment. DISCLAIMER: While the dataset has been prepared by the Department of Water and Environmental... -
Surface Water Management Areas (DWER-041)
Surface Water Management Areas for Western Australia were derived in consultation with the regional offices, geometry is based on hydrographic subcatchments. Regional Department... -
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... -
State Environment Policy Cockburn Protection Levels 2010 (DWER-068)
This data represents the Environmental Protection Authority of Western Australia. This dataset represents the spatial boundaries of the SEP Cockburn Protection Levels. The... -
Statewide River Water Quality Assessment (DWER-038)
Statewide River Water Quality Assessment (SRWQA) 2004 & 2008 uses water quality data collected as far back as 1998 to determine the status and trends of nine water quality... -
WRIMS - Surface Water Resources (DWER-081)
The Surface Water Resources (SWR) dataset was created to assist licensing and management of surface water in Western Australia. A surface water resource represents the smallest... -
LiDAR Index External (DWER-045)
The LiDAR Index was created to illustrate the extents of LiDAR imagery and data currently Existing or In the Progress or Planned for the Department of Water and Environmental... -
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... -
Offsets Register - Offsets (DWER-078)
The Environmental Offsets Register lists all environmental offsets required under Part IV and Part V of the Environmental Protection Act since 1 July 2011. It provides spatial... -
Surface Water Management Subareas (DWER-042)
Surface Water Management subareas for Western Australia were derived in consultation with the regional offices, and geometry is based on hydrographic catchments. Regional...