NIEA Catchment Data Map Viewer
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The NIEA Catchment Viewer is a hub for viewing data relating to the water quality of the rivers, lakes, groundwaters and coastal environments in Northern Ireland.
Data is available to view from 2009 to present.
Additional information
A brief video showing how to use the map viewer is below.
The NIEA Catchment Viewer is updated regularly when new data becomes available.
Some of these datasets are available to download from WMU Spatial Datasets | Department of Agriculture, Environment and Rural Affairs and Open Data Northern Ireland.
If a dataset is not available to download or you would more information on the data currently available, please contacts us at waterinfo@daera-ni.gov.uk.