166 plants indexed. Showing 53 matching current filters.
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.
Skibbereen Waste water treatment plant serves 4,600 people in County Cork, Ireland. The facility discharges into the local watershed under Ireland's implementation of the EU Urban Waste Water Treatment Directive.
Donegal Town Waste Water Treatment Plant serves 8,520 people in County Donegal, Ireland. The facility operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this size.
Castlemartyr Wastewater Treatment Plant serves 2,400 people in County Cork, Ireland. The facility operates under Ireland's implementation of the EU Urban Waste Water Treatment Directive.
Duleek Waste Water Treatment Plant serves approximately 5,000 people in County Meath, Ireland. The facility is located inland, within 50 km of the coast, and discharges into the local river system.
Kinsale Waste Water Treatment Plant serves the town of Kinsale in County Cork, Ireland. It is a municipal facility with a designed capacity of 1.00 and serves a population of 7,414.
Ballyshannon Waste Water Treatment Plant serves 2,100 people in County Donegal, Ireland. The facility is located near the coast and operates under Ireland's implementation of the EU Urban Waste Water Treatment Directive.
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.
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.
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.
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.
Ennistymon Waste Water Treatment Plant serves 2,050 people in County Clare, Ireland. The facility discharges treated effluent into the local environment, supporting water quality in the region.
Lahinch Waste Water Treatment Plant serves the coastal town of Lahinch in County Clare, Ireland, treating wastewater for approximately 3,900 residents. The plant discharges into the local environment, supporting the region's water quality.
Newmarket on Fergus Waste Water Treatment Plant serves 3,467 people in County Clare, Ireland. The facility operates under EU Urban Waste Water Treatment Directive standards for small agglomerations.
Sixmilebridge Waste Water Treatment Plant serves County Clare, Ireland, treating wastewater from a population of approximately 2,929. The plant operates under Irish and EU regulations for small agglomerations.
Midleton Waste Water Treatment Plant serves County Cork, Ireland, treating wastewater for approximately 14,244 people. The plant is located near Rostellan and discharges into the local water environment.
Westport Waste Water Treatment Plant serves County Mayo, Ireland, treating wastewater for approximately 14,600 people. The plant discharges into the local environment within 50 km of the coast, supporting water quality in the region.
Dundalk Waste Water Treatment Plant serves County Louth, Ireland, treating wastewater for approximately 43,642 people. Located near the coast, it plays a key role in protecting local water quality.
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, Skibbereen Waste water treatment plant has the highest designed capacity at 1 m3/day.