Climate Change

Climate change is with us now. The sooner we act, the less damage it will do to our society and environment.

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Climate Change and You

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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Waste water and You

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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Waste and You

Learn more about waste

Drinking water

The EPA regulates the quality of drinking water in Ireland and enforces standards in public supplies.

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Drinking water and You

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.

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Radiation and You

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.

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Air and You

See the air quality index for health, this will tell the about air in your area

Additional things you can do

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Urban Wastewater Treatment in 2024

This report provides an overview of urban wastewater treatment in Ireland during 2024.

It outlines the key issues that Uisce Éireann must address to protect our environment from the harmful effects of wastewater discharges.

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Air Quality in Ireland 2024

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.

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Drinking Water Quality in Public Supplies 2024

This report is an overview of the quality of drinking water in public water supplies and public group schemes during 2024. 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.

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Drinking Water Quality in Private Group Schemes and Small Private Supplies 2024

This report is an overview of the quality of drinking water in private group schemes and small private supplies in 2024.

The report is based on the assessment of monitoring results reported to the EPA by local authorities.

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Midterm Evaluation of the National Hazardous Waste Management Plan 2021-2027, Incorporating the 2024 Annual Report

The Plan sets out the priorities to be pursued over the term of the Plan to improve the prevention and management of hazardous waste.

This report is the mid-term evaluation of the Plan and incorporates the third annual report, relating to activities in 2024.

Water quality has improved in some areas but continues to decline overall

Date released: October 13, 2025

The Environmental Protection Agency (EPA) has today published our flagship Water Quality in Ireland Report 2019-2024, which provides the latest, 3-yearly assessment of the quality of Ireland’s rivers, lakes, estuaries, coastal waters, canals and groundwaters.

Volume of raw sewage discharges halved, but many wastewater plants still poorly managed

Date released: October 08, 2025

The Environmental Protection Agency’s (EPA) Urban Wastewater Treatment in 2024 report, released today, shows that investment at priority areas highlighted by the EPA is delivering improvements with the volume of raw sewage discharged daily halving since early 2024.

‘We need to do more to protect clean air in towns, villages and cities across Ireland’ says EPA

Date released: September 24, 2025

The Environmental Protection Agency (EPA) has published its report, Air Quality in Ireland 2024, which is based on data from Ireland’s extensive air monitoring network of 115 stations. It reveals that while Ireland currently meets EU air quality standards, we are projected to fall short of the stricter air quality standards set for 2030 under the new Ambient Air Quality Directive.

10th Environment, Health & Wellbeing Conference 2025

Date: October 22, 2025

Changing Perspectives on Environment, Health and Wellbeing: Creating Healthier and Resilient People and Places.

Climate Change Lecture Series - Coasts at Risk: Building Stronger Communities

Date: October 13, 2025

The EPA, as part of the National Dialogue on Climate Action, will host a public lecture in-person at the College Green Hotel, Dublin on 13th October at 6:30pm