Water Quality 2019-2024 Summary Report
Year: 2025
This report provides summary information on the status of our rivers, lakes, estuaries, coastal waters (known collectively as surface waters) and groundwaters. It is based on information collected over a 6-year period from 2019 to 2024 under Ireland’s national water quality monitoring programme from over 4,000 surface water bodies and 514 groundwater bodies. It highlights changes in the condition of these waters, identifies the main problems causing water quality issues and sets out what actions need to be taken to protect this important national resource.
Water Quality in Ireland 2019-2024
Year: 2025
This report sets out the latest assessment of the health of Ireland’s rivers, lakes, canals, groundwaters, transitional (estuaries) and coastal waters.
Hydrology Summary Bulletin - September 2025
Hydrology bulletin on rainfall, river flows, lake levels, groundwater levels and spring outflows for September 2025, October 2025
Year: 2025
Hydrology Summary Bulletin outlining the flows in rivers, rainfall, lake and turlough levels, groundwater levels and spring outflows of over 300 stations across Ireland for the month.
EPA Report Blackwater fish mortality investigation July / August 2025
Year: 2025
EPA investigation of discharges to water from EPA-regulated sites in the Blackwater Catchment July / August 2025
Early insights indicator report: Nitrogen concentrations in selected major rivers, January-June 2025
Year: 2025
The purpose of this report is to provide an early insight into nitrogen concentrations in major rivers in Ireland, in advance of the more comprehensive annual water quality assessments.
Hydrology Summary Bulletin - August 2025
Hydrology bulletin on rainfall, river flows, lake levels, groundwater levels and spring outflows for August 2025, September 2025
Year: 2025
Hydrology Summary Bulletin outlining the flows in rivers, rainfall, lake and turlough levels, groundwater levels and spring outflows of over 300 stations across Ireland for the month
Hydrology Summary Bulletin - July 2025
Hydrology bulletin on rainfall, river flows, lake levels, groundwater levels and spring outflows for July 2025, August 2025
Year: 2025
Hydrology Summary Bulletin outlining the flows in rivers, rainfall, lake and turlough levels, groundwater levels and spring outflows of over 300 stations across Ireland for the month
Evidence-based targeting of agricultural measures to reduce nitrogen in catchments to achieve water quality objectives
Year: 2025
This report outlines three updates to the evidence base to support targeting the right measures in the right place to improve water quality. The first update is the assessment of the catchments that need nitrogen load reductions to support good estuarine ecological conditions which incorporates more recent monitoring data since first reported by the EPA in 2021, and some improvements to the assessment methodology. The second update follows the same methodology to look back at changes in the reductions required over a 35-year period since 1990 at representative monitoring stations. Thirdly, the on-line mapping tool for the Farm and Landscape measures for Agriculture (FLAG) map (previously the Targeting Agricultural Measures map) has also been updated with monitoring data up to 2024, along with the other multiple lines of evidence used to indicate where agricultural measures are needed to restore water quality.
Hydrology Summary Bulletin - June 2025
Hydrology bulletin on rainfall, river flows, lake levels, groundwater levels and spring outflows for June 2025, July 2025
Year: 2025
Hydrology Summary Bulletin outlining the flows in rivers, rainfall, lake and turlough levels, groundwater levels and spring outflows of over 300 stations across Ireland for the month
Water quality monitoring report on nitrogen and phosphorus concentrations in Irish waters 2024
This report provides an update on the results of water quality monitoring to support the assessment of the impact of the nitrates derogation on Irish waters, as required under Regulation 37 of the European Union (Good Agricultural Practices for the Protection of Waters) (Amendment) Regulations., July 2025
Year: 2025
The EPA has reported on the results of water quality monitoring to support the assessment of the impact of the nitrates derogation on Irish Waters
Hydrology Summary Bulletin - May 2025
Hydrology bulletin on rainfall, river flows, lake levels, groundwater levels and spring outflows for May 2025, June 2025
Year: 2025
Hydrology Summary Bulletin outlining the flows in rivers, rainfall, lake and turlough levels, groundwater levels and spring outflows of over 300 stations across Ireland for the month.
Hydrology Summary Bulletin - April 2025
Hydrology bulletin on rainfall, river flows, lake levels, groundwater levels and spring outflows for April 2025, May 2025
Year: 2025
Hydrology Summary Bulletin outlining the flows in rivers, rainfall, lake and turlough levels, groundwater levels and spring outflows of over 300 stations across Ireland for the month
Bathing water quality in Ireland in 2024
Year: 2025
This is a report about bathing water quality in Ireland during 2024
Hydrology Summary Bulletin - March 2025
Hydrology bulletin on rainfall, river flows, lake levels, groundwater levels and spring outflows for March 2025., April 2025
Year: 2025
Hydrology Summary Bulletin outlining the flows in rivers, rainfall, lake and turlough levels, groundwater levels and spring outflows of over 300 stations across Ireland for the month
Early insights indicator report: Nitrogen concentrations in selected major rivers, January-December 2024
Year: 2025
The purpose of this report is to provide an early insight into nitrogen concentrations in major rivers in Ireland, in advance of the more comprehensive annual water quality assessments.
A list of active and inactive hydrometric stations in Ireland, 2025
Year: 2025
This is a list of active and inactive hydrometric stations for various organisations as part of the Hydrometric Programme
Hydrology Summary Bulletin - February 2025
Hydrology bulletin on rainfall, river flows, lake levels, groundwater levels and spring outflows for February 2025., March 2025
Year: 2025
Hydrology Summary Bulletin outlining the flows in rivers, rainfall, lake and turlough levels, groundwater levels and spring outflows of over 300 stations across Ireland for the month.
Hydrology Summary Bulletin - January 2025
Hydrology bulletin on rainfall, river flows, lake levels, groundwater levels and spring outflows for January 2025., February 2025
Year: 2025
Hydrology Summary Bulletin outlining the flows in rivers, rainfall, lake and turlough levels, groundwater levels and spring outflows of over 300 stations across Ireland for the month.
Hydrology Summary Bulletin - December 2024
Hydrology bulletin on rainfall, river flows, lake levels, groundwater levels and spring outflows for December 2024., January 2025
Year: 2025
Hydrology Summary Bulletin outlining the flows in rivers, rainfall, lake and turlough levels, groundwater levels and spring outflows of over 300 stations across Ireland for the month.