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.

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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

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Industrial and Waste Enforcement Report 2025

High overall compliance at licensed sites in 2025

1,681 inspections, but the waste sector shows the most non‑compliance, the food and drink sector generating most odour and noise complaints, and odour and water discharges remaining key challenges.

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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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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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Local Authority Environmental Enforcement Performance Report 2024

This report sets out the results of the EPA’s assessment of local authority environmental enforcement performance for 2024.

This assessment is based on the EPA’s Local Authority Performance Framework where performance is measured and reported against National Enforcement Priorities (NEPs) focused on improving environmental compliance and achieving positive outcomes for waste, water, air and noise.

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Quarterly Greenhouse Gas Emissions Indicator Report 2025 Quarter 3

This is the latest EPA report on quarterly greenhouse gas emissions for Ireland to support more frequent monitoring of national and sectoral progress.

The series complements the national greenhouse gas inventory and projections prepared annually by the EPA.

EPA Water Conference 2026

Date: June 17, 2026

The EPA Water Conference 2026 will take place on 17 and 18 June, 2026 in Galway and online.

EPA Annual Climate Change Conference 2026

Date: May 26, 2026

The EPA Annual Climate Change Conference "Ireland's Climate Ambition: Taking stock and looking to the future"