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  • Lakes of Northern Ireland

    Publisher
    OpenDataNI
    Updated
    7 August 2021
    Map of all of Northern Ireland's lakes for which data was available to NIEA during 2013.
  • Register of Private Water Supplies in Northern Ireland (06/01/2021)

    Publisher
    OpenDataNI
    Updated
    8 July 2026
    About this layer:A private water supply is any supply of water intended for human consumption and not provided by the water undertaker appointed under Article 13 of The Water and Sewerage Services...
  • DWPA abstraction point hydrological catchments

    Publisher
    OpenDataNI
    Updated
    17 April 2021
    This layer shows the Drinking Water Protected Areas (DWPA) which have been identified and designated in accordance with Article 8 of The Water Environment (Water Framework Directive) Regulations...
  • Belfast Lough Network Contribution

    Publisher
    OpenDataNI
    Updated
    15 August 2022
    About this layerNetwork contribution area scores were exported from the SciMAP application outputs within SAGA GIS. The scores were based on inputs from CEH Land cover 2007, Met Office average...
  • Ballinderry Network Contribution

    Publisher
    OpenDataNI
    Updated
    21 March 2022
    About this layerNetwork contribution area scores were exported from the SciMAP application outputs within SAGA GIS. The scores were based on inputs from CEH Land cover 2007, Met Office average...
  • OSNI Open Data - Coverage Grid - 10K

    Publisher
    OpenDataNI
    Updated
    8 July 2026
    National Grid Reference System for Northern Ireland composed of 292 sheets and provides the naming convention for the 1:10 000 scale mapping. The 10k Grid is published here for Open Data and can...
  • River Water Quality Monitoring 1990 to 2018 - Dissolved Zinc

    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...
  • OSNI Open Data - Gazetteer - Streetnames

    Publisher
    OpenDataNI
    Updated
    8 July 2026
    This street listing contains the name and Irish Grid coordinates for all streets in Northern Ireland. Published here for Open Data. By download or use of this dataset you agree to abide by the LPS...
  • Register of Private Water Supplies in Northern Ireland (29/06/2021)

    Publisher
    OpenDataNI
    Updated
    8 July 2026
    About this layer: A private water supply is any supply of water intended for human consumption and not provided by the water undertaker appointed under Article 13 of The Water and Sewerage...
  • Register of Private Water Supplies in Northern Ireland (05/06/2019)

    Publisher
    OpenDataNI
    Updated
    8 July 2026
    About this layer: A private water supply is any supply of water intended for human consumption and not provided by the water undertaker appointed under Article 13 of The Water and Sewerage...
  • OSNI Open Data - BenchMarks - Height

    Publisher
    OpenDataNI
    Updated
    8 July 2026
    OSNI Benchmark data consists of point data giving the location of the points, along with the associated text which shows the height value. Bench marks are shown in metres above mean sea level....
  • Lake Water Bodies

    Publisher
    OpenDataNI
    Updated
    15 August 2022
    The Water Framework Directive (WFD) required Northern Ireland to define both surface and groundwaters as a coherent set of hydrological units. These units would then be monitored and managed to...
  • OSNI Open Data - Largescale Boundaries - Parliamentary Constituencies (2008)

    Publisher
    OpenDataNI
    Updated
    8 July 2026
    The OSNI Largescale Parliamentary Constituencies 2008 is a polygon dataset consisting of Parliamentary Constituency boundaries derived from OSNI Largescale. The boundaries were delineated in 2008...
  • River Water Quality Monitoring 1990 to 2018 - Dissolved Zinc

    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...
  • OSNI Open Data - Largescale Boundaries - Parliamentary Constituencies (2008)

    Publisher
    OpenDataNI
    Updated
    8 July 2026
    The OSNI Largescale Parliamentary Constituencies 2008 is a polygon dataset consisting of Parliamentary Constituency boundaries derived from OSNI Largescale. The boundaries were delineated in 2008...
  • Farm Census District Electoral Area 2016

    Publisher
    OpenDataNI
    Updated
    20 December 2021
    About this layerThe data covers all farm business in Northern Ireland. Data is collected directly from farm business through a survey and supplemented with administrative data from the Animal and...
  • OSNI Open Data - Largescale Boundaries - Wards (2012)

    Publisher
    OpenDataNI
    Updated
    8 July 2026
    The OSNI Largescale Wards 2012 is a polygon dataset consisting of District Electoral Areas derived from OSNI Largescale. The boundaries were delineated in 2012 under the Local Government...
  • Moyola Network Contribution

    Publisher
    OpenDataNI
    Updated
    7 August 2021
    About this layerNetwork contribution area scores were exported from the SciMAP application outputs within SAGA GIS. The scores were based on inputs from CEH Land cover 2007, Met Office average...
  • Owenkillew Network Contribution

    Publisher
    OpenDataNI
    Updated
    7 August 2021
    About this layerNetwork contribution area scores were exported from the SciMAP application outputs within SAGA GIS. The scores were based on inputs from CEH Land cover 2007, Met Office average...
  • Aquaculture Licences - Open Data

    Publisher
    OpenDataNI
    Updated
    15 August 2022
    Marine aquaculture sites licensed by The Department of Agriculture and Rural Development under the Fisheries Act (Northern Ireland) 1966 and or authorised under The Aquatic Animal Health...