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.
Ballaghaderreen Wastewater TP serves County Roscommon, Ireland, treating wastewater for approximately 2,472 people. The plant discharges into local watercourses within the Shannon River basin.
Boyle Waste Water Treatment Plant serves County Roscommon, Ireland, treating wastewater for approximately 3,594 people. The plant operates under Irish and EU regulations for small agglomerations.
Ballybofey_Stranorlar Waste Water Treatment Plant serves County Donegal, Ireland, treating wastewater for approximately 5,532 people. The plant discharges into the local river system, ultimately draining into the Atlantic Ocean.
Castlerea Waste Water Treatment Plant serves the town of Castlerea in County Roscommon, Ireland. It treats wastewater from a population of approximately 3,385 under Irish and EU regulations.
Ardee Waste Water Treatment Plant serves the town of Ardee in County Louth, Ireland. It treats wastewater from a population of approximately 4,975 under EU regulatory standards.
Roscommon Town Wastewater Treatment Plant serves County Roscommon, Ireland, treating wastewater for approximately 7,000 residents. The plant discharges into local waterways, supporting the Shannon River Basin.
Portrane Waste Water Treatment Plant serves the Portraine area in County Dublin, Ireland. It treats wastewater from a population of approximately 23,612 and is located near the Irish Sea coast.
Carndonagh Waste Water Treatment Plant serves 4,294 people in County Donegal, Ireland. The facility operates under Ireland's implementation of the EU Urban Waste Water Treatment Directive.
Dunleer Waste Water Treatment Plant serves 2,264 people in County Louth, Ireland. The facility operates under Ireland's implementation of the EU Urban Waste Water Treatment Directive.
Edenderry Waste Water Treatment Plant serves County Offaly, Ireland, treating wastewater for approximately 7,372 people. The plant operates under Ireland's implementation of the EU Urban Waste Water Treatment Directive.
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.
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, Ballaghaderreen Wastewater TP has the highest designed capacity at 1 m3/day.