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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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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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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Water Quality in Ireland 2019-2024

Water quality in Ireland is not as good as it should be and is continuing to decline overall.

52% of rivers, lakes, estuaries and coastal waters are in good or high ecological status. This is a 2% decline since the 2016-2021 assessment. Transitional waters, including estuaries and coastal lagoons, are in the poorest condition of any waterbody type, with 70% in an unsatisfactory condition, up from 64% in the last assessment. 92% of groundwaters are in good status. Canals are also in relatively good condition with 87% achieving their water quality targets.

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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.

Local Authorities’ environmental performance improving but continued commitment needed to deliver on National Enforcement Priorities

Date released: October 22, 2025

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

Environmental Law Conference 2025

Date: November 28, 2025

Registration is now open for the annual Environmental Protection Agency and the Irish Centre for European Law (ICEL) Law Conference: Environmental Law Enforcement: Emerging Challenges 2025.

National Air Event 2025

Date: November 20, 2025

The National Air Event, ‘Clean Air, Healthier Lives’, will take place in person in the Kilkenny Ormonde Hotel on Thursday 20th November 2025. The conference is targeted at Local Authorities, Regulators, Academics, Air consultants and advocates for cleaner air. All presentations will be recorded and will be shared via our EPA YouTube channel shortly after the event.