Climate Change

Climate change means a significant change in the measures of climate, such as temperature, rainfall, or wind, lasting for an extended period – decades or longer.

Climate Change and You

What's happening and what impact will climate change have on Ireland?

Waste water

The Environmental Protection Agency is the environmental regulator of Irish Water. We issue and enforce authorisations for waste water discharges.

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Waste water and You

How best to maintain your septic tank.


The Environmental Protection Agency licences, monitors and regulates certain activities in the waste sector.

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Waste and You

Learn more about waste

Drinking water

The Environmental Protection agency is the drinking water quality regulator, responsible for enforcing the Drinking Water Regulations for public water supplies.

Drinking water and You

Where does your drinking water come from?


The EPA assess exposure to radiation from sources in the environment through monitoring programmes and operates a graded authorisation system to register and licence any practice involving the use of radioactive sources or equipment such as X-ray.

Radiation and You

What is Radiation and how can it affect you?


The Environmental Protection Agency manages the national ambient air quality monitoring network. We also measure the levels of emissions of a number of atmospheric pollutants. The ambient air pollutants of most concern are fine particulate matter from the burning of solid fuel and nitrogen dioxide from transport emissions.

Air and You

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

Additional Our Services

Latest Publications

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Drinking Water Quality in Private Group Schemes and Small Private Supplies

For the year 2021

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

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Urban Waste Water Treatment in 2021

This report provides an overview of urban waste water treatment in Ireland during 2021. It identifies the priority issues that must be addressed to protect our environment from the harmful effects of waste water discharges.

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Drinking Water Quality in Public Supplies 2021

This report is an overview of the quality of drinking water in public supplies and public group schemes during 2021. It is based on the assessment of monitoring results reported to the EPA by Irish Water and local authorities, and on the EPA's enforcement activities.

Focus on Local Authority Environmental Enforcement

Performance Report 2021

This report sets out the results of the EPA’s assessment of local authority environmental performance for 2021

Water Quality Report 2016-2021 Cover
Water Quality in Ireland 2016 - 2021

Summary Report

This report sets out the latest assessment of the health of Ireland’s rivers, lakes, canals, groundwaters, transitional (estuaries) and coastal waters.

“Continuing risks to public health in private drinking water supplies are not being tackled”, says EPA

Date released: November 24, 2022

The EPA today released the Drinking Water Quality in Private Group Schemes and Small Private Supplies 2021 report.

Local Authorities need to target enforcement actions more effectively to improve local air and water quality and waste segregation, says EPA

Date released: November 14, 2022

The Environmental Protection Agency (EPA) has today published its report on the environmental performance of local authorities in 2021.

Environmental Law Enforcement: Emerging Challenges 2022

Date released: November 30, 2022

Registration Now Open