The DWER Water Information Sites dataset lists monitoring locations (sites) where surface water and groundwater data are collected to assess the quality and quantity of state water resources. This monitoring supports a comprehensive understanding of the state's water assets and underpins evidence-based decision-making for both regulatory and resource management purposes. Please note that the dataset presents only summary-level attribute information for each site. It does not include all available data, which may encompass individual measurements such as water depth, stream height, water quality, rainfall, and bore details including construction, lithology, and stratigraphy. For access to detailed data, please visit the Water Information Reporting (WIR) system. (https://wir.water.wa.gov.au/).

The dataset shows the location and spatial extent of aquatic ecosystems and their potential dependence on the surface expression of groundwater. It shows aquatic ecosystems at a scale of 1:100 000 and is best viewed at this scale. Not all ecosystems are present in the dataset, smaller aquatic ecosystems requiring a higher resolution are not displayed. Aquatic ecosystems that are known or likely to interact with groundwater in their hydrological cycle are potentially groundwater-dependent. The aquatic groundwater-dependent ecosystem (GDE) dataset shows the location of aquatic ecosystems and their GDE potential in the Fitzroy water planning area. The aquatic ecosystems included in the final dataset are categorised as: + Base-flow rivers + Wetlands + Estuarine and near shore marine + Springs. River base flow systems – River systems and associated riparian vegetation are unique ecosystems providing a habitat for threatened and priority flora and fauna, including native aquatic species and birds. Base flow is a component of the total stream flow that is supported by groundwater discharge. River permanence and flow duration indicate groundwater dependence during periods of low or no rainfall supporting differing ecosystem processes. There are several permanent riverine pools found on the main Fitzroy River channel. WETLANDS – wetlands that have a known or likely element of groundwater discharge in their hydrological cycle will be considered groundwater dependent. Wetlands are areas of seasonally, intermittently or permanently waterlogged or inundated land, whether natural or otherwise, such as lakes, swamps, pools, springs, and damplands. The hydrogeology of the Fitzroy water planning area is complex and variable. Hydrogeology mapping and a hydrogeologist should be consulted to determine the groundwater source of a wetland. ESTUARINE AND NEAR SHORE MARINE - Estuarine habitats are classified as components of an estuary, partially enclosed by land, with a continuous or intermittent connection to the ocean. With a freshwater influence from overland run-off, there is diluting and mixing of seawater. These habitats can include estuarine wetlands, lagoons, salt marshes, and mangroves. Near shore marine habitats are exposed to the waves and currents of the open ocean. Their water regimes are dominated by the ebb and flow of the ocean and tend to have a high salinity, normally greater than 33%. These habitats include seagrass meadows, coral, and stromatolites. The Fitzroy, May, Meda, and Robinson Rivers flow into the King Sound, supporting many different near shore marine habitats. Seagrass meadows, mangrove forests and salt flats are known to occur in and around the King Sound. SPRINGS - Springs provide a permanent source of freshwater and are recognised as important aquatic ecosystems found throughout the Australian landscape. The occurrence of permanent water in arid landscapes provides stable long-term habitat, critical to flora and fauna during dry periods, especially in the north-western region of Western Australia. A spring can be described as having a permanent discharge or flow of groundwater at the surface.

This dataset is under review, please contact DWER for access to updated version. This dataset is a catalogue of current & historic boundaries of Water Allocation Plans and Statements and associated attributes. Each boundary indicates the area covered by the plan or statement. Water Allocation Plans may also be known as Water Management Plans. This dataset is intended to aid in water resource management.

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 parameters for all waterways in the state, where consistent data is available. The project was undertaken by the Water Science Branch of the Department of Water and Environmental Regulation in 1999 and 2004 has now been updated to include water quality information up to the end of 2007. This dataset only shows the classifications and trends from the 2004 and 2008 assessment. The Assessment focused on colour, dissolved organic carbon, dissolved oxygen, pH, total nitrogen, total phosphorus, total dissolved salts, total suspended solids and turbidity. A total of 255 sites from 23 basins in Western Australia (out of a total of 44) were included in the 2008 update with 126 of these being assessed for the first time in 2008. In 2004 232 sites were assessed. Due to a lack of data numerous sites that were assessed in 2004 are not included in the 2008 update. Many basins had no data, whilst the others lacked recent monitoring data. The status and trend results were compiled into an excel spreadsheet. Dataset was formerly known as Statewide River Water Quality Assessment (DOW-056)

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 hierarchical order of 4 datasets ranging from Subcatchments through Catchments and Basins to Divisions. The Subcatchments, Catchments and Basins are hierarchically ordered subsets of the Divisions dataset. The drainage basins of Western Australia, derived from catchment boundaries defined at various scales. This dataset is derived from a subset of lines from the Hydrographic SubCatchments data. This dataset was formerly known as Hydrographic Catchments - Basins (DOW-013)

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 hierarchical order of 4 datasets ranging from Subcatchments through Catchments and Basins to Divisions. The Subcatchments, Catchments and Basins are hierarchically ordered subsets of the Divisions dataset. The drainage divisions of Western Australia, derived from catchment boundaries defined at various scales. This dataset is derived from a subset of lines from the Hydrographic Catchments - Subcatchments data. This dataset was formally known as Hydrographic Catchments - Divisions (DOW-016)

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 hierarchical order of 4 datasets ranging from Subcatchments through Catchments and Basins to Divisions. The Subcatchments, Catchments and Basins are hierarchically ordered subsets of the Divisions dataset. Catchment boundaries have been defined for more than 3400 key sites on streams throughout Western Australia. The Subcatchments dataset contains polygons from which the Catchment boundaries are derived. This catchments dataset is derived from this on the basis of the CATCH_NAME field, determined by the Scientific Custodian. This dataset was formerly known as Hydrographic Catchments - Catchments (DOW-014)

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. Eastern Wheatbelt and Western Plateau). Dataset is designed to be evolving as more information becomes available (eg. Aerial Photography). USAGE: The Hydrography, Linear (Hierarchy) dataset is used by DWER for broad scale streamline presentation. It also provides definition of streamlines in ancient drainage landscapes, when other datasets do not have linework. This dataset was formerly known as Hydrography Linear (Heirarchy) (DOW-029)

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 hierarchical order of 4 datasets ranging from Subcatchments through Catchments and Basins to Divisions. The Subcatchments, Catchments and Basins are hierarchically ordered subsets of the Divisions dataset. Catchment boundaries have been defined for more than 3400 key sites on streams throughout Western Australia. The Subcatchments dataset contains polygons derived from all the defined boundaries, while the Catchment, basin and division polygons are based on subsets of the same boundaries. This dataset was formerly known as Hydrographic Catchments - Subcatchments (DOW-015)

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 not defined further than 6,000 mg/L which has been used to represent the saltwater interface. This dataset is a derived location based on an assessment of data for the period November 2020 to November 2021. The 2016 Interpretation of TEMPEST Airbourne Electromagnetic Data from Esperance (Mira Geoscience) was also used in creating this dataset. This location can change pending known factors that impact the location of the seawater interface including the time of year, tidal movements, abstraction, recharge and throughflow. The full assessment of the SWI in this area is documented in report HR437 Esperance Seawater Interface Priority Area Assessment. This dataset is sourced from the Statewide Seawater Interface Project, funded by the Government of Western Australia under the State Groundwater Investigation Program. In the Esperance area, the project runs from April 2020 to March 2023 and the data are collected from: - Seawater interface monitoring (SWIM) bores installed or owned by the department - Downhole natural gamma and induction logging - Installation of data loggers and continuous static groundwater level (SWL) measurements from data loggers - Electrical conductivity (EC) depth profiling - Groundwater chemistry sampling. - Airborne electromagnetic (AEM) survey. The above data that is owned by the department can be downloaded from the Water Information Reporting (WIR) Portal or by contacting the Department. AEM survey data can be downloaded via the interactive geological map tool GeoVIEW.WA from the Department of Mines, Industry Regulation and Safety. Information on the SWI project can be found on the Western Australia State Government website (www.wa.gov.au).