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Water data sources in Ireland

13 portals, APIs and datasets for Ireland, covering water level, river flow, lake levels, streamflow and 380+ stations. 13 are free to use.

Government (13)

  • Catchments.ie Ireland

    Collaborative water quality data platform for all Irish waterbodies with EPA Water Map

    Free | All Irish waterbodies

  • data.gov.ie - OPW Hydrometric Network Real-time Water Level Data

    Ireland's open data portal dataset for the Office of Public Works hydrometric network: real-time water level readings from OPW gauging stations, reusable under CC-BY.

    Free | Ireland

  • data.gov.ie - OPW Hydrometric Network Water Level Latest Reading

    Ireland open data portal dataset providing the latest water level reading for each station in the Office of Public Works national hydrometric network, suitable for live monitoring...

    Free | Ireland

  • EPA Ireland Water Data

    Irish Environmental Protection Agency - 300+ stations monitoring rivers, lakes, groundwater

    Free | Ireland nationwide - 300+ monitoring stations

  • Floodinfo.ie National Flood Maps (OPW Ireland)

    Ireland's Office of Public Works national flood mapping viewer providing community-scale river and coastal flood extents and depths, National Indicative Flood Mapping, groundwater...

    Free | Republic of Ireland

  • Geological Survey Ireland - Groundwater Data and Maps

    Geological Survey Ireland downloadable national groundwater datasets: bedrock and sand/gravel aquifers, groundwater recharge, vulnerability, wells and springs, karst connections...

    Free | National

  • Geological Survey Ireland - Groundwater Recharge Dataset

    Geological Survey Ireland groundwater flooding monitoring station data sheets, mostly for seasonal lakes (turloughs), documenting groundwater flood levels and monitoring records...

    Free | National

  • GSI Groundwater Level Data Viewer (gwlevel.ie)

    Geological Survey Ireland's groundwater monitoring portal providing hourly groundwater level and turlough stage time series from boreholes nationwide, downloadable as CSV per site...

    Free | National (Ireland)

  • Ireland EPA Hydronet Water Level Data

    Ireland's EPA real-time hydrometric data network providing water level and flow data from river and lake gauging stations across Ireland through the Hydronet portal.

    Free | National

  • Ireland Water Levels and Flow - data.gov.ie

    Ireland's national open-data record for hydrometric water level and river flow time series from EPA and OPW monitoring stations across Irish rivers, lakes, springs and groundwater...

    Free | Ireland

  • Marine Institute Ireland ERDDAP

    Marine Institute (Ireland) ERDDAP server serving ~86 datasets including the Irish Weather Buoy Network, tide gauges, wave buoys and ocean temperature/salinity for Irish coastal...

    Free | Ireland coastal waters

  • OPW Hydrometric and Hydrological Data (gov.ie)

    Office of Public Works publication providing access to Ireland's hydrometric and hydrological data, including river water level and flow records from the OPW national gauging...

    Free | Ireland

  • WaterLevel.ie Ireland

    Real-time water level data from 380+ river, lake and tidal gauging stations operated by OPW

    Free | Ireland - 380+ gauging stations

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