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Sensors on Station 29021 Ballycahalan

OPW Latest data: 6 Sep 2025, 01:45 (UTC / GMT) staff gauge level 0.467 m. OD level 33.838 m.
Water level for past 5 weeks
 Water level for past week.
Water level for past day.
Summary for Water level
Temperature for past 5 weeks
 Temperature for past week.
Temperature for past day.
Summary for Temperature
Voltage for past 5 weeks
 Voltage for past week.
Voltage for past day.
Summary for Voltage
Ordnance datum for past 5 weeks
 Ordnance datum for past week.
Ordnance datum for past day.
Summary for Ordnance datum

Datum

29021 Ballycahalan 33.371m above Ordnance Datum at Malin Head OSGM15.

Water level and flow records older than 5 weeks

See our newly updated Hydro-Data website https://waterlevel.ie/hydro-data/.