-
Iron Staining Risk (DWER-032)
Department of Water and Environmental Regulation
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)
Department of Water and Environmental Regulation
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)
Department of Water and Environmental Regulation
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)
Department of Water and Environmental Regulation
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)
Department of Water and Environmental Regulation
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 Perth-Peel Native Vegetation Extent 2024 (DWER-141)
Department of Water and Environmental Regulation
Remnant vegetation mapping for the Swan Coastal Plain bioregion, Metropolitan and Peel Region Scheme areas in 2024. Part of a suite of polygon datasets that best represent... -
Sprinkler Restrictions - Water Agencies (Water Use) Bylaws (DWER-044)
Department of Water and Environmental Regulation
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)
Department of Water and Environmental Regulation
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)
Department of Water and Environmental Regulation
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)
Department of Water and Environmental Regulation
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)
Department of Water and Environmental Regulation
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)
Department of Water and Environmental Regulation
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)
Department of Water and Environmental Regulation
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)
Department of Water and Environmental Regulation
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)
Department of Water and Environmental Regulation
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)
Department of Water and Environmental Regulation
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)
Department of Water and Environmental Regulation
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)
Department of Water and Environmental Regulation
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... -
Seawater Interface Salinity Dist 10m Below Water Table: Esperance (DWER-135)
Department of Water and Environmental Regulation
This dataset shows the distribution of fresh and saline water 10 m below the water table in the Superficial aquifer, in the Esperance groundwater area. Salinity categories are... -
Wild Rivers (DWER-087)
Department of Water and Environmental Regulation
Wild Rivers are rivers that are largely unchanged natural systems, where biological and hydrological processes continue without significant disturbance. They occur in a variety...