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• environment
• flow
• flow monitoring
• hydrography
• ie
• monitoring
• river
• water

Theme	Environment
Date released	2015-09-02
Date updated	2023-01-27
Dataset conforms to these standards	The INSPIRE Directive or INSPIRE lays down a general framework for a Spatial Data Infrastructure (SDI) for the purposes of European Community environmental policies and policies or activities which may have an impact on the environment.
Rights notes	['no limitations', 'https://creativecommons.org/licenses/by/4.0/', 'license']
Update frequency	Other
Language	English
Landing page	http://gis.epa.ie/geoserver/EPA/wms?service=WMS&version=1.1.0&request=GetMap&layers=EPA:MON_Hydrometricgauges&styles=&bbox=40130.999999,36101.999999,362400.000001,458521.000001&width=585&height=768&srs=EPSG:29902&format=image%2Fpng
Geographic coverage in GeoJSON format	{"type":"Polygon","coordinates":[[[-10.47472, 51.44555],[-10.47472, 55.37999], [-6.01306, 55.37999], [-6.01306, 51.44555], [-10.47472, 51.44555]]]}
Spatial Reference Systems (SRS)	TM65 / Irish Grid (EPSG:29902)
Vertical Extent	{"verticalDomainName": "EPSG Projection 5731 - Malin Head height", "minVerticalExtent": "0", "maxVerticalExtent": "1014"}
Provenance information	The EPA maintains the Register of Hydrometric Stations In Ireland. This is a dataset of all of the active and historical hydrometric stations in Ireland collected as part of the Surface Water Hydrometric Programme. Station information is collected from each local Authority, the Office of Public Works, the ESB, the Marine Institue, the Northern Ireland Rivers agency and other sources. Locations are verified using GPS and analog sources of various scales. The coordinates collected are used to create this points dataset. Each individual hydrometric station number is made up of five digits where the first two digits indicate the hydrometric area in which the station is located and the final three digits the unique station number within the hydrometric area. If the value of the fourth digit is between 0-5 then the station is on a river, 6 denotes a station on a tidal channel or sea and 7- 9 indicates a station on a lake, reservoir or a location affected by backwater. Recorders digitally record the water level at 15 minute intervals and are set to GMT to avoid the time changes in Summer/Spring time. The flow is given in cubic metres per second. Where there is a value of 999.999 no flow data has been provided. The relevant standard used is ISO 1070/BS 3680 Methods of Measurement of Liquid Flow in Open Channels.Other station information, such as river and catchment name, catchment size, lead Authority, county, Local Authority name, coordinates, waterbody type and hydrometric area have been included.
Period of time covered (begin)	2010-09-29
Period of time covered (end)	2015-09-02