EPA investigation of discharges to water from EPA-regulated sites in the Blackwater Catchment, July / August 2025
Air quality in Ireland is generally good and was compliant with 2024 air quality standards, meeting all EU legal requirements. It will be more challenging for Ireland to meet new and more stringent air quality limits that will come into force from 2030. We need to do more to protect our clean air in towns and cities across Ireland.
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?
The EPA is the environmental regulator of Uisce Éireann (formerly Irish Water).
How best to maintain your septic tank.
The EPA regulates and licences a variety of activities in the waste sector, including landfill sites.
Learn more about waste
The EPA regulates the quality of drinking water in Ireland and enforces standards in public supplies.
Where does your drinking water come from?
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?
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