166 plants indexed.
Ireland's urban wastewater treatment is regulated by Uisce Éireann (Irish Water) and the EPA, with major plants serving Dublin, Cork, Limerick and Galway. UtilityRadar indexes 166 wastewater treatment plants in Ireland with a combined designed capacity of 113 m³/day. The largest plant on file is Leixlip Waste Water Treatment Plant, treating 1 m³/day.
Ireland's urban wastewater treatment is regulated by Uisce Éireann (Irish Water) and the EPA, with major plants serving Dublin, Cork, Limerick and Galway.
UtilityRadar's directory currently lists 166 wastewater treatment plants across Ireland. Together these plants represent a combined designed capacity of approximately 113 m³/day.
The largest plant indexed for Ireland is Leixlip Waste Water Treatment Plant, with a designed capacity of 1 m³/day.
Plant records are aggregated from publicly available regulatory data (US EPA ECHO, EU UWWTD reporting, national water authority publications), augmented by direct operator information and verified via Google Maps coordinates. Each record includes location, treatment level, capacity where known, operator and operational status. To browse plants by treatment level worldwide, see our secondary and advanced filter views, or read our guide to how sewage treatment works.
Birr Waste Water Treatment Plant serves County Offaly, Ireland, treating wastewater for approximately 13,213 people. The plant operates under EU Urban Waste Water Treatment Directive 91/271/EEC.
Newcastle West Waste Water Treatment Plant serves approximately 6,179 people in County Limerick, Ireland. The facility operates under Ireland's implementation of the EU Urban Waste Water Treatment Directive.
Kilmallock Waste Water Treatment Plant serves 2,400 people in County Limerick, Ireland. The facility operates under Ireland's implementation of the EU Urban Waste Water Treatment Directive.
Kinnegad Waste Water Treatment Plant serves the town of Kinnegad in County Westmeath, Ireland. It treats wastewater from approximately 5,200 people before discharging into the local water environment.
Edgeworthstown Waste Water Treatment Plant serves County Longford, Ireland, treating wastewater from approximately 2,689 people. The plant operates under Ireland's implementation of the EU Urban Waste Water Treatment Directive.
Moate Waste Water Treatment Plant serves the town of Moate in County Westmeath, Ireland, treating wastewater for approximately 2,390 people. The plant discharges into local waterways within the Shannon River Basin.
Ballymahon Waste Water Treatment Plant serves the community of Creevaghbeg in County Longford, Ireland, treating wastewater for approximately 2,036 people.
Ballisadare Waste Water Treatment Plant serves the village of Ballysadare in County Sligo, Ireland. It treats wastewater from a population of approximately 2,332 people.
Ballymote Waste Water Treatment Plant serves the town of Ballymote in County Sligo, Ireland, treating wastewater for a population of approximately 2,354. The plant operates under Irish and EU regulations for small agglomerations.
Tubbercurry Waste Water Treatment Plant serves the town of Tobercurry in County Sligo, Ireland. It is an inland facility with a designed capacity of 1.00, operating under Irish and EU wastewater regulations.
Tullow Wastewater Treatment Plant serves the town of Tullow in County Carlow, Ireland, treating wastewater for approximately 6,545 people. The plant discharges into the local river system, contributing to the protection of the Barrow River catchment.
Muinebheag Waste Water Treatment Plant serves the town of Muine Bheag in County Carlow, Ireland. It treats wastewater from a population of approximately 10,483 under the EU Urban Waste Water Treatment Directive.
Baltinglass wastewater treatment plant serves the town of Baltinglass in County Wicklow, Ireland, treating wastewater for approximately 2,490 residents. The plant discharges into the local river system within the Slaney catchment.
Enniskerry Waste Water Treatment Plant serves the village of Enniskerry in County Wicklow, Ireland. It treats wastewater from a population of approximately 4,510 and discharges into the local water environment.
Kilcoole Waste Water Treatment Plant serves 2,801 people in County Wicklow, Ireland. Located near the coast in Leinster, it discharges treated effluent into local waters under EU regulatory oversight.
Rathdrum Waste Water Treatment Plant serves County Wicklow, Ireland, treating wastewater for approximately 2,700 people. The plant discharges into the local river system, contributing to the protection of the Avoca River catchment and downstream coas
Bailieborough wastewater treatment plant serves the town of Bailieborough in County Cavan, Ireland. It treats wastewater from approximately 2,577 people as part of Ireland's municipal wastewater infrastructure.
Belturbet Waste Water Treatment Plant serves the town of Belturbet in County Cavan, Ireland, with a population of 2,096. It operates under the EU Urban Waste Water Treatment Directive.
Kingscourt Waste Water Treatment Plant serves the town of Kingscourt in County Cavan, Ireland. It is a municipal facility with a designed capacity of 1.00 and serves a population of 2,694.
Cootehill WWTP serves approximately 5,090 people in County Cavan, Ireland. The plant operates under the EU Urban Waste Water Treatment Directive, which sets treatment standards for agglomerations of this scale.
UtilityRadar indexes 166 wastewater treatment plants in Ireland, with treatment level, capacity, operator and discharge data on each record.
Among the plants on this page, the most-referenced operator is Uisce Éireann (Irish Water). UtilityRadar's records show 20 plants linked to this operator.
Among the indexed plants, Newcastle West Waste Water Treatment Plant has the highest designed capacity at 1 m3/day.