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  • Historic GQA Headline Indicators of Water Courses - Nutrients - NITRATE GQA GRADES 2009 (ENGLAND)

    Publisher
    Environment Agency
    Updated
    18 September 2026
    This record is for Approval for Access product AfA163.1 'Historic GQA Headline Indicators of Water Courses - Nutrients - nitrate GQA grades 2009 (England)'. The General Quality Assessment Headline...
  • Historic GQA Headline Indicators of Water Courses - Nutrients - nitrate GQA grades 2010 (Wales)

    Publisher
    Environment Agency
    Updated
    18 September 2026
    This record is for Approval for Access product AfA163.2 'Historic GQA Headline Indicators of Water Courses - Nutrients - nitrate GQA grades 2010 (Wales)'. The General Quality Assessment Headline...
  • Northern Ireland Water Drinking Water Quality Public Registers, Individual Customer Tap & Authorised Supply Point Results, & Drinking Water Quality Annual Reports

    Publisher
    OpenDataNI
    Updated
    23 July 2026
    Summary Public Register results by Water Supply Zone, anonymised individual results for Customer Tap samples collected within Water Supply Zones and Authorised Supply Points, and Drinking Water...
  • WFD (Water Framework Directive) Cycle 1 and Cycle 2 water body changes

    Publisher
    Environment Agency
    Updated
    18 September 2026
    This spreadsheet contains comparisons of the numbers of water bodies reported in the two WFD (Water Framework Directive) cycle RBMP (River Basin Management Plans). The data is grouped by water...
  • Shellfish Water Protected Areas PUBLIC

    Publisher
    Scottish Government SpatialData.gov.scot
    Updated
    3 July 2025
    Shellfish Water Protected Areas came into force on 22/12/13 comprising 85 areas defined by The Water Environment (Shellfish Water Protected Areas - Designation) (Scotland) Order 2013...
  • Shellfish Water Protected Areas PUBLIC

    Publisher
    Scottish Government SpatialData.gov.scot
    Updated
    31 July 2025
    Shellfish Water Protected Areas came into force on 22/12/13 comprising 85 areas defined by The Water Environment (Shellfish Water Protected Areas - Designation) (Scotland) Order 2013...
  • WFD River, Canal and Surface Water Transfer Water Bodies Cycle 2 Classification 2019

    Publisher
    Environment Agency
    Updated
    18 September 2026
    WFD River, Canal and Surface Water Transfer Water Bodies Cycle 2 Classification 2019 is an alternate version of ‘WFD River, Canal and Surface Water Transfer Waterbodies Cycle 2’ with the addition...
  • SPRI_Water_Releases

    Publisher
    Scottish Government SpatialData.gov.scot
    Updated
    19 June 2024
    Industrial sites listed in the Scottish Pollutant Release Inventory (SPRI) are required to report the total amounts of a substance that they emit to air or water during the period of a year.
  • Bathing_water_catchments

    Publisher
    Scottish Government SpatialData.gov.scot
    Updated
    19 June 2024
    SEPA Bathing Water Catchments - © SEPA. Some features of this information are based on digital spatial data licensed from the Centre for Ecology and Hydrology © NERC (CEH). Contains OS data ©...
  • Map based index (GeoIndex) water wells with water level measurements

    Publisher
    British Geological Survey (BGS)
    Updated
    25 September 2026
    This layer of the map based index (GeoIndex) shows sites where regularly monitored rest water level data are available, usually covering a long time period. The data shows seasonal fluctuations in...
  • Watsit (water situation) report

    Publisher
    Data Mill North
    Updated
    25 September 2026
    The water situation (or Watsit) report is a report we produce to oversee our water resources. It includes a summary of all the major sources of water we draw on to make sure your taps stay full of...
  • Areas Affecting Bathing Waters

    Publisher
    Natural Resources Wales
    Updated
    16 September 2026
    This spatial dataset comprises of a polygon relating to each site identified under the Bathing Water Directive (76/160/EEC). These sites are drawn as a simple guide to aid the work of Natural...
  • Bathing Water Areas

    Publisher
    OpenDataNI
    Updated
    21 July 2025
    These boundaries have been created using the OSNI 1:10K scale raster basemap. OSNI Open Data - Coverage Grid - 10K - Dataset - Open Data NIBathing Water areas are defined by the land parcel lines...
  • Bathing Water Areas

    Publisher
    OpenDataNI
    Updated
    17 September 2026
    These boundaries have been created using the OSNI 1:10K scale raster basemap. OSNI Open Data - Coverage Grid - 10K - Dataset - Open Data NIBathing Water areas are defined by the land parcel lines...
  • Water pollution, substantiated incidents

    Publisher
    Department for Environment, Food and Rural Affairs
    Updated
    23 June 2015
    Water pollution, substantiated incidents
  • Wales Adjacent Waters Limit

    Publisher
    United Kingdom Hydrographic Office
    Updated
    1 August 2017
    Wales Adjacent Waters Limit
  • Scottish Adjacent Waters Limit

    Publisher
    United Kingdom Hydrographic Office
    Updated
    1 August 2017
    The Scottish Adjacent Waters limit
  • G-BASE water samples

    Publisher
    British Geological Survey (BGS)
    Updated
    25 September 2026
    The BGS Geochemical Baseline Survey of the Environment (G-BASE) was the national strategic geochemical mapping programme in Great Britain. The project set out to establish the chemistry of the...
  • Water Framework Directive (WFD) River Water Body Catchments Cycle 3 Classification 2019 (Simplified)

    Publisher
    Environment Agency
    Updated
    18 September 2026
    This is a polygon dataset showing Water Framework Directive (WFD) River Water Body Catchments. The catchments are associated with a single river water body. This dataset also contains coastal...
  • Water Framework Directive (WFD) River Water Body Catchments Cycle 3 Classification 2022 (Simplified)

    Publisher
    Environment Agency
    Updated
    18 September 2026
    This is a polygon dataset showing Water Framework Directive (WFD) River Water Body Catchments. The catchments are associated with a single river water body. This dataset also contains coastal...