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in: Industrial licensing
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Environmental Data Exchange Network (EDEN)

EDEN is the EPA's online web portal for Local Authorities and licensees to communicate with the EPA on numerous applications.

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Waste water

All discharges to the aquatic environment from sewerage systems owned, managed and operated by Water Services Authorities will require a waste water discharge licence or certificate of authorisation from the EPA. Read more below.

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Latest News and Press Releases

in: Wastewater Industrial licensing
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.

Two decades is too long to wait to fix Ireland’s deficient wastewater treatment plants, says EPA.

Date released: October 10, 2024

The EPA’s Urban Wastewater Treatment in 2023 report, released today, highlights progress in wastewater treatment, including a 45 per cent reduction in the number of towns and villages discharging raw sewage, since the start of 2023. Nevertheless, wastewater treatment at many areas is not good enough to prevent wastewater discharges from impacting the quality of rivers, estuaries, lakes and coastal waters.

Failure to fix faulty septic tanks is a risk to human health and the environment, and can’t continue, says EPA.

Date released: May 08, 2024

The Environmental Protection Agency (EPA) today released the report on Domestic Waste Water Treatment System Inspections 2023 which details the findings of septic tank inspections completed by local authorities in 2023.