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  • OSNI Open Data - 50K Boundaries - Townlands

    Publisher
    OpenDataNI
    Updated
    8 July 2026
    Mid scale vector polygon dataset showing townland boundaries. Published here for OpenData. The OSNI Largescale Townlands is a polygon dataset consisting of the Townland boundaries. Townlands are...
  • Lower Bann Network Contribution

    Publisher
    OpenDataNI
    Updated
    4 December 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...
  • OSNI Open Data - Largescale Boundaries - Townlands

    Publisher
    OpenDataNI
    Updated
    8 July 2026
    The OSNI Largescale Townlands is a polygon dataset consisting of the Townland boundaries. Townlands are an ancient method of land measurement found only in Ireland and can be very important in...
  • River Water Quality Monitoring 1990 to 2018 - Nitrate

    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...
  • March 2022 - North Coast Post-Storm Survey - Digital Surface Model

    Publisher
    OpenDataNI
    Updated
    27 July 2024
    Fugro were commissioned to undertake a post-storm LiDAR survey of the soft sedimentary areas along the north coast of Northern Ireland in March 2022 This survey was to cover the following areas:...
  • Major Railway LAeq 18h

    Publisher
    OpenDataNI
    Updated
    17 September 2026
    Source LdenLnight Lday Levening LAeq,16hr LAeq,6hr LAeq,18hr Major Railway Those which have more than 30,000 train passages per year (for mapping rounds other than Round 1)The day-evening-night...
  • Register of Private Water Supplies in Northern Ireland (21/03/2019)

    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...
  • OGA 30thRoundIndicativeAreas ETRS89

    Publisher
    North Sea Transition Authority
    Updated
    8 July 2026
    Areas that are planned to be on offer in the 30th offshore licensing round. Actual areas have NOT been finalised and are subject to change. The areas shown are for indicative purposes only.
  • River Water Quality Monitoring 1990 to 2018

    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...
  • Central Conservation Area

    Publisher
    Cheltenham Borough Council
    Updated
    8 July 2026
    Boundary of an area defined as of special architectural or historic interest. These areas are usually designated by the local planning authority.
  • OSNI Open Data - 50K Boundaries - Townlands

    Publisher
    OpenDataNI
    Updated
    8 July 2026
    Mid scale vector polygon dataset showing townland boundaries. Published here for OpenData. The OSNI Largescale Townlands is a polygon dataset consisting of the Townland boundaries. Townlands are...
  • OGA Rockall LegacyPostStack ETRS89

    Publisher
    North Sea Transition Authority
    Updated
    8 July 2026
    Government funded seismic lines in the Rockall basin
  • Roe 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 - Largescale Boundaries - Local Government Districts (2012)

    Publisher
    OpenDataNI
    Updated
    8 July 2026
    The OSNI Large-scale boundaries is a polygon dataset consisting of Local Government Districts set in 2012.The data has been extracted from OSNI Largescale database and has been topologically...
  • Agglomeration Roads Lden

    Publisher
    OpenDataNI
    Updated
    17 September 2026
    SourceLden Lnight Lday Levening LAeq,16hr Belfast Agglomeration - RoadsAn area of a territory that has a population exceeding 100,000 people and a population density equal or greater to 500 people...
  • 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...
  • Quoile Network Contribution

    Publisher
    OpenDataNI
    Updated
    11 December 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...
  • Belfast Lough Network Contribution

    Publisher
    OpenDataNI
    Updated
    8 July 2026
    Network 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 rainfall and 5...
  • Aquaculture Licences - Open Data

    Publisher
    OpenDataNI
    Updated
    4 December 2021
    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...
  • OSNI Open Data - Largescale Boundaries - District Electoral Areas (1993)

    Publisher
    OpenDataNI
    Updated
    8 July 2026
    The OSNI Large-scale boundaries is a polygon dataset consistingofDistrict Electoral Areas set in 1993.The data has been extracted from OSNI Largescale database and has been topologically cleansed...