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• environment
• hydrography
• ie
• river
• river network
• rivers

Theme	Environment
Date released	2005-01-01
Date updated	2017-12-04
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	Annual
Language	English
Landing page	http://gis.epa.ie/AskLearn/LearnAbout
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 geometry of the rivers were originally generated based on the OSi 50k raster mapping, but has been updated over time as updated information has arisen from local surveys. The associated attribute data comes from a variety of sources, e.g. waterbody codes from the individual waterbody datasets, EPA Code and EPA Name were originally coded by the EPA rivers team for the most part but new smaller stretches can be coded now through the FCT. River orders are generated automatically through EPA tools using the Strahler method.
Period of time covered (begin)	2005-01-01
Period of time covered (end)	2015-01-13