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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... -
Coastal Interbasins
Water Framework Directive (WFD) legislation requires the definition of both surface and groundwaters as a coherent set of hydrological units which could be monitored and... -
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... -
Rea's Wood AquaTROLL Metrics View
The multiparameter sonde has been deployed on a buoy by NIEA’s Freshwater Monitoring and Assessment Team as part of long term, high frequency water quality monitoring... -
River Water Quality Monitoring 1990 to 2024 - Biochemical Oxygen Demand
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... -
WFD River Water Bodies 2nd Cycle
The Water Environment (Water Framework Directive) Regulations (Northern Ireland) 2017. The Water (Amendment) (Northern Ireland) (EU Exit) Regulations 2019 ensures that the Water... -
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... -
Probes
The multiparameter sonde has been deployed on a buoy by NIEA’s Freshwater Monitoring and Assessment Team as part of long term, high frequency water quality monitoring... -
Priority Substances 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... -
DWPA abstraction point hydrological catchments
This layer shows the Drinking Water Protected Areas (DWPA) which have been identified and designated in accordance with Article 8 of The Water Environment (Water Framework... -
River Water Quality Monitoring 1990 to 2024 - pH
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 - All Parameters
This dataset comprises water quality data from the NIEA water quality database from 1st January 1990 to 31st December 2024. Note that the dataset may contain results which are... -
River Water Quality Monitoring 1990 to 2024 - Dissolved Oxygen
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... -
Probe Metrics
The multiparameter sonde has been deployed on a buoy by NIEA’s Freshwater Monitoring and Assessment Team as part of long term, high frequency water quality monitoring... -
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... -
WFD River and Lake Monitoring Sites 2nd Cycle
River and lake monitoring sites used for The Water Environment (Water Framework Directive) Regulations (Northern Ireland) 2017 classification purposes. The Water (Amendment)... -
RiverWaterQualityMonitoring 1990to2024 DissolvedOxygen
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...