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  • River Water Quality Monitoring 1990 to 2024 - Suspended Solids

    Publisher
    OpenDataNI
    Updated
    1 October 2026
    This dataset comes from the NIEA water quality database and contains data from 1990 to 2024. The dataset may contain results which are erroneous due to typos, sampling error or contamination. Such...
  • Water Framework Directive (WFD) River Basin Districts Cycle 1

    Publisher
    Natural Resources Wales
    Updated
    16 September 2026
    Water Framework Directive (WFD) River Basin Districts Cycle 1 is a spatial (polygon) dataset containing attributes that have been collated as defined for the implementation of the Water Framework...
  • Risk of Flooding from Surface Water

    Publisher
    Environment Agency
    Updated
    6 July 2026
    Risk of Flooding from Surface Water (RoFSW) map is an assessment of where surface water flooding may occur when rainwater does not drain away through the normal drainage systems or soak into the...
  • RiverWaterQualityMonitoring 1990to2024 DissolvedOxygen

    Publisher
    OpenDataNI
    Updated
    18 June 2026
    This dataset comes from the NIEA water quality database and contains data from 1990 to 2024. The dataset may contain results which are erroneous due to typos, sampling error or contamination. Such...
  • RiverWaterQualityMonitoring 1990to2024 Phosphorus SRP

    Publisher
    OpenDataNI
    Updated
    18 June 2026
    This dataset comes from the NIEA water quality database and contains data from 1990 to 2024. The dataset may contain results which are erroneous due to typos, sampling error or contamination. Such...
  • River Water Quality Monitoring 1990 to 2024 - Dissolved Oxygen

    Publisher
    OpenDataNI
    Updated
    1 October 2026
    This dataset comes from the NIEA water quality database and contains data from 1990 to 2024. The dataset may contain results which are erroneous due to typos, sampling error or contamination. Such...
  • Water Framework Directive (WFD) Canals Cycle 2

    Publisher
    Natural Resources Wales
    Updated
    16 September 2026
    This dataset is a GIS layer identifying the canal waterbodies managed under the Water Framework Directive and any related programmes. This includes canals which are reported to Europe as...
  • Water Framework Directive (WFD) River Waterbodies Cycle 2

    Publisher
    Natural Resources Wales
    Updated
    17 September 2026
    The Water Framework Directive (WFD) River Waterbodies Cycle 2 are a spatial (polygon) dataset collated as defined for the implementation of the Water Framework Directive. 'WFD River Waterbodies...
  • WFD Transitional and Coastal Water Bodies Cycle 2 Classification 2019

    Publisher
    Environment Agency
    Updated
    18 September 2026
    WFD Transitional and Coastal Water Bodies Cycle 2 Classification 2019 is an alternate version of ‘WFD Transitional and Coastal Waterbodies Cycle 2’ with the addition of 2019 classification data...
  • NI Water AIR21 Customer Complaints Data

    Publisher
    OpenDataNI
    Updated
    2 August 2023
    NI Water Annual Information Return 2020 2021 Table 5a Key Outputs Customer Complaints Data for Consumer Council for Northern Ireland
  • WFD River Water Body Catchments Cycle 2 Classification 2019

    Publisher
    Environment Agency
    Updated
    18 September 2026
    WFD River Water Body Catchments Cycle 2 Classification 2019 is an alternate version of ‘WFD River Waterbody Catchments Cycle 2’ with the addition of 2019 classification data and additional user...
  • Conwy catchment - spatial water chemistry dataset

    Publisher
    Environmental Information Data Centre
    Updated
    18 September 2026
    Surface water quality data for the Conwy catchment, North Wales are presented. The data cover stream and estuary survey locations sampled manually from 2007 to 2011 at varying intervals between...
  • Marine Protected Areas in Welsh waters

    Publisher
    Natural Resources Wales
    Updated
    16 September 2026
    The Marine protected area (MPA) network is a subset of existing protected sites that have marine features. Sites include: SACs, SPAs, Ramsars, SSSIs and MCZs. What features are considered marine...
  • RiverWaterQualityMonitoring 1990to2024 DissolvedOxygen

    Publisher
    OpenDataNI
    Updated
    18 June 2026
    This dataset comprises water quality data from the NIEA water quality database from 1st January 1990 to 31st December 2024. Note that the dataset may contain results which are erroneous due to...
  • River Water Quality Monitoring 1990 to 2024 - All Parameters

    Publisher
    OpenDataNI
    Updated
    18 June 2026
    This dataset comprises water quality data from the NIEA water quality database from 1st January 1990 to 31st December 2024. Note that the dataset may contain results which are erroneous due to...
  • River Water Quality Monitoring 1990 to 2024 - All Parameters

    Publisher
    OpenDataNI
    Updated
    1 October 2026
    This dataset comprises water quality data from the NIEA water quality database from 1st January 1990 to 31st December 2024. Note that the dataset may contain results which are erroneous due to...
  • River Water Quality Monitoring 1990 to 2018 - Soluble Phosphorus

    Publisher
    OpenDataNI
    Updated
    8 July 2026
    This table provides the raw data from river monitoring sites including Water Framework Directive monitoring sites. It should be noted that, as the data set is in its raw state, it cannot be used...
  • River Water Quality Monitoring 1990 to 2018 - Dissolved Oxygen

    Publisher
    OpenDataNI
    Updated
    8 July 2026
    This table provides the raw data from river monitoring sites including Water Framework Directive monitoring sites. It should be noted that, as the data set is in its raw state, it cannot be used...
  • River Water Quality Monitoring 1990 to 2018 - Suspended Solids

    Publisher
    OpenDataNI
    Updated
    8 July 2026
    This table provides the raw data from river monitoring sites including Water Framework Directive monitoring sites. It should be noted that, as the data set is in its raw state, it cannot be used...
  • River Water Quality Monitoring 1990 to 2018 - Soluble Phosphorus

    Publisher
    OpenDataNI
    Updated
    8 July 2026
    This table provides the raw data from river monitoring sites including Water Framework Directive monitoring sites. It should be noted that, as the data set is in its raw state, it cannot be used...