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Registration of small wastewater discharges
In November 2025, the Irish Government approved a new regulatory approach for discharges from small-scale housing developments. European Union Regulations 2026 introduce a registration regime for certain wastewater discharges to surface water. The EPA has specified criteria that will need to be satisfied when registering a discharge.
Industrial and Waste Licence Enforcement 2025 Summary Report
High overall compliance at licensed sites in 2025 after 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.
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.
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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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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Learn more about waste
Drinking water
The EPA regulates the quality of drinking water in Ireland and enforces standards in public supplies.
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.
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.
See the air quality index for health, this will tell the about air in your area
