Drinking Water Quality in Public Supplies 2025
This report is an overview of the quality of drinking water in public water supplies and public group schemes during 2025. It is based on the assessment of monitoring results reported to the EPA by Uisce Éireann and local authorities, and on the EPA's enforcement activities.
Drinking Water Quality in Private Group Schemes and Small Private Supplies 2025
An overview of the quality of drinking water in private group schemes and small private supplies during 2025
Browse by Environmental Topics
Climate Change
Climate change is with us now. The sooner we act, the less damage it will do to our society and environment.
What's happening and what impact will climate change have on Ireland?
Waste water
The EPA is the environmental regulator of Uisce Éireann (formerly Irish Water).
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How best to maintain your septic tank.
Waste
The EPA regulates and licences a variety of activities in the waste sector, including landfill sites.
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Learn more about waste
Drinking water
The EPA regulates the quality of drinking water in Ireland and enforces standards in public supplies.
Where does your drinking water come from?
Radiation
The EPA monitors radiation in our environment. We also regulate radioactive sources in industry, e.g. for x-rays.
What is radiation and how can it affect you?
Air
The EPA manages the national air quality monitoring network. We also measure levels of air pollution.
See the air quality index for health, this will tell the about air in your area
