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waterlevel.ie/

waterlevel.ie (OPW real-time water levels)

Freeauth: noneCC-BY-4.0#weather#hydrology#ireland#water-levels#cc-by#geojson✓ verified Nov 11, 2026

waterlevel.ie (OPW real-time water levels)

Ireland's Office of Public Works publishes real-time and historical river and lake water-level (and some temperature) readings from its hydrometric stations, as GeoJSON and CSV files. The API/licence page says: "Data is licensed under the Creative Commons By Attribution (CC-BY) version 4.0 license"

Required Attribution:

Suggested text credits "Irish Public Sector Information licensed under a Creative Commons Attribution 4.0 International (CC BY 4.0) licence", sourced to waterlevel.ie and the Office of Public Works.

Coverage

Real-time and historical water-level and temperature readings from OPW hydrometric stations, including a latest-readings GeoJSON feed and CSV files. The page suggests attribution text crediting "Irish Public Sector Information licensed under a Creative Commons Attribution 4.0 International (CC BY 4.0) licence", sourced to waterlevel.ie and the Office of Public Works. History start and update frequency: Not stated.

Verdict

Real-time and historical river and lake water-level (and some temperature) readings from Ireland's OPW hydrometric stations, as GeoJSON and CSV files. Licensed CC-BY-4.0: "Data is licensed under the Creative Commons By Attribution (CC-BY) version 4.0 license" For automated access, the page says: "Users who wish to access the data using an automated process should use the following pre-generated data only." Rate limits: Not stated. Signal Lab links only.

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