Water level observations and measurements in rivers and lakes. Data coverage has been of the rivers and lakes of the Burrishoole catchment Furnace Newport Co. Mayo. Data has been collected since 2000. Data collected from surface water level gauges. Data collected to ascertain the level of water in the catchment ecosystem particularly around high rainfall events. Water level data has been collected by the Marine Institute Newport facility team. Data is 100% complete since the installation of the gauges. Any data gaps relate to instrumentation data quality issues and or instrumentation maintenance.