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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Ireland’s Provisional Greenhouse Gas emissions 1990-2023

This report outlines Ireland’s provisional Greenhouse Gas Emissions from 1990-2023, published in July 2024.

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Water Quality in 2023:

An Indicators Report

This report updates the key indicators of water quality of Ireland’s rivers, lakes, estuaries, coastal waters and groundwaters using monitoring data collected in 2023.

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Radiation Dose received by the Irish Population 2024

This is a new assessment, completed by EPA and the Health Information and Quality Authority, of the average radiation dose received by the Irish population.

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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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Drinking Water Quality in Public Supplies 2023

This report is an overview of the quality of drinking water in public water supplies and public group schemes during 2023. 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.

Ireland’s greenhouse gas emissions in 2023 lowest in three decades

Date released: July 08, 2024

The Environmental Protection Agency (EPA) has today published its provisional greenhouse gas emissions for Ireland for 2023.

While water quality is very high, the resilience of drinking water supplies must improve and will require sustained investment into the future, says EPA.

Date released: July 02, 2024

The EPA Drinking Water Quality in Public Supplies Report 2023 released today, shows that over 99.7 per cent of public water supplies comply with bacterial and chemical limits, which means our public water is safe to drink.

Ireland is wasting over one million meals a day

Date released: June 27, 2024

New figures released by the Environmental Protection Agency (EPA) today show that over 750,000 tonnes of food waste was generated in Ireland in 2022.