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Pollution Incidents 2011 to 2024
A polygon layer depicting the 1km squares within NI that contain one or more confirmed reports of pollution between 2011 and 2024. The purpose of the dataset is to assist with... -
River Water Quality Monitoring 1990 to 2024 - Conductivity
This dataset comes from the NIEA water quality database and contains data from 1990 to 2024. The dataset may contain results which are erroneous due to typos, sampling error or... -
Urban Waste Water Sensitive Areas 2nd Cycle
This is an amalgamated copy of the sensitive areas and catchment sensitve areas reported as the spatial data requirements under Urban Waste Water Treatment Directive Article15... -
River Water Quality Monitoring 1990 to 2024 - Dissolved Zinc
This dataset comes from the NIEA water quality database and contains data from 1990 to 2024. The dataset may contain results which are erroneous due to typos, sampling error or... -
Surface Drinking Water Protected Areas
The European Water Framework Directive was transposed to national legislation through the Water Environment (Water Framework Directive) Regulations (Northern Ireland) 2017. The... -
River Water Quality Monitoring 1990 to 2024 - Soluble Reactive Phosphorus
This dataset comes from the NIEA water quality database and contains data from 1990 to 2024. The dataset may contain results which are erroneous due to typos, sampling error or... -
River Water Quality Monitoring 1990 to 2024 - Alkalinity
This dataset comes from the NIEA water quality database and contains data from 1990 to 2024. The dataset may contain results which are erroneous due to typos, sampling error or... -
River Water Quality Monitoring 1990 to 2024 - Dissolved Iron
This dataset comes from the NIEA water quality database and contains data from 1990 to 2024. The dataset may contain results which are erroneous due to typos, sampling error or... -
River Water Quality Monitoring 1990 to 2024 - Dissolved Copper
This dataset comes from the NIEA water quality database and contains data from 1990 to 2024. The dataset may contain results which are erroneous due to typos, sampling error or... -
River Water Quality Monitoring 1990 to 2024 - Nitrites
This dataset comes from the NIEA water quality database and contains data from 1990 to 2024. The dataset may contain results which are erroneous due to typos, sampling error or... -
Water Framework Directive 2nd Cycle Interim Status
This file contains the 2018 overall surface water body status, reported to Europe as a 2nd Cycle interim classification for Water Framework Directive in 2018. It contains the... -
River Water Quality Monitoring 1990 to 2024 - Suspended Solids
This dataset comes from the NIEA water quality database and contains data from 1990 to 2024. The dataset may contain results which are erroneous due to typos, sampling error or... -
Specific Pollutants 1990 to 2024
***Cypermethrin is currently designated as a Priority Substance under the EU Environmental Quality Standards Directive (2013/39/EU), which is a daughter directive of the Water... -
Inland Fisheries - Public Angling Estate
This feature class contains the polygon layer comprising the water bodies of the Public Angling Estate in Northern Ireland, and details all of the information for each fishery... -
River Basin Districts
Northern Ireland River Basin District's (RBD)'s defined for the implementation of the Water Framework 2nd cycle. Each RBD contains all waterbodies within a specific region, both... -
River Water Quality Monitoring 1990 to 2024 - Nitrates
This dataset comes from the NIEA water quality database and contains data from 1990 to 2024. The dataset may contain results which are erroneous due to typos, sampling error or... -
River Water Quality Monitoring 1990 to 2024 - Ammonia NH4-N
This dataset comes from the NIEA water quality database and contains data from 1990 to 2024. The dataset may contain results which are erroneous due to typos, sampling error or... -
Lake Water Bodies
The Water Framework Directive (WFD) required Northern Ireland to define both surface and groundwaters as a coherent set of hydrological units. These units would then be... -
Lakes of Northern Ireland
Map of all of Northern Ireland's lakes for which data was available to NIEA during 2013. -
Agricultural Critical Risk Areas
The agricultural risk map is based on activity classed as arable horticulture or improved grassland by the CEH land cover map 2007, which is carried out on land parcels scored...