Climate Change

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

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.


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.

Drinking water and You

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.

Radiation and You

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.

Air and You

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

Additional things you can do

Latest Publications

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EPA Highlights 2023

This review of 2023 showcases the EPA 's work in addressing environmental challenges across Ireland.

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Ireland’s Climate Change Assessment (ICCA)

For the first time, these reports provide a comprehensive and authoritative assessment of the state of knowledge around all key aspects of climate change, with a central focus on Ireland.

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EPA Circular Economy and Waste Statistics Highlights Report 2021

This report gives the data highlights on waste generation and management in Ireland in 2021. Key trends and progress towards upcoming EU targets, along with information on material consumption and circularity are provided. A new spotlight section focuses on current topics in the circular economy area. An update to circular economy actions published in 2022 is given along with further actions that government, industry and individuals can make to help us transition towards a circular economy.

Focus on Local Authority Environmental Enforcement

Performance Report 2022

This report sets out the results of the EPA’s assessment of local authority environmental enforcement performance for 2022. This assessment is based on the EPA’s Local Authority Performance Framework which measures performance against the delivery of environmental outcomes under 20 National Enforcement Priorities.

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Urban Waste Water Treatment in 2022

This report provides an overview of urban waste water treatment in Ireland during 2022. It identifies the priority issues that Uisce Éireann must address to protect our environment from the harmful effects of waste water discharges.

Galway’s citizen scientists find low levels of air pollution from traffic in 7 out of 10 locations studied. Clean Air Together Galway City – The Results!

Date released: February 22, 2024

In October and November 2023, more than 300 citizen scientists measured levels of the harmful air pollutant, Nitrogen Dioxide (NO2), in Galway city as part of the Clean Air Together Galway City project.

Aimsíonn eolaithe saoránaigh leibhéil ísle aerthruaillithe a thagann ón trácht in 7 as 10 suíomh a rinneadh sampláil orthu. Aer Glan Le Chéile Chathair na Gaillimhe – Na Torthaí!

Date released: February 22, 2024

I mí Dheireadh Fómhair agus i mí na Samhna 2023, thomhais os cionn 300 eolaí saoránaigh leibhéil an truailleáin aeir dhíobhálaigh, Dé-ocsaíd Nítrigine (NO2), i gCathair na Gaillimhe mar chuid den tionscadal Aer Glan Le Chéile Chathair na Gaillimhe.

EPA announces funding of €14.3m for new research to address climate and environmental challenges

Date released: February 14, 2024

The Environmental Protection Agency (EPA) today announced new funding for Environmental and climate research in Ireland, with funding of €14.3 million awarded for 33 new research projects.