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.
Rathcormac Waste Water Treatment Plant serves 2,602 people in County Cork, Ireland. The facility operates under Ireland's implementation of the EU Urban Waste Water Treatment Directive.
Ennis South Waste Water Treatment Plant serves 3,707 people in County Clare, Ireland. The facility operates under Ireland's implementation of the EU Urban Waste Water Treatment Directive.
Clifden Waste Water Treatment Plant serves the town of Clifden in County Galway, Ireland. It is located near the coast and treats wastewater for approximately 3,109 people.
Portumna wastewater treatment plant serves the town of Portumna in County Galway, Ireland, treating wastewater for approximately 2,870 residents. The plant discharges into the local water environment, contributing to the protection of the Shannon Riv
Gort Waste Water Treatment Plant serves the town of Gort in County Galway, Ireland, treating wastewater for a population of approximately 3,216. The plant operates under Ireland's implementation of the EU Urban Waste Water Treatment Directive.
Loughrea Waste Water Treatment Plant serves County Galway, Ireland, treating wastewater for approximately 6,236 people. The facility operates under Ireland's implementation of the EU Urban Waste Water Treatment Directive.
Athenry Waste Water Treatment Plant serves County Galway, Ireland, treating wastewater for approximately 5,172 people. The plant operates under Ireland's implementation of the EU Urban Waste Water Treatment Directive.
Moycullen Wastewater Treatment Plant serves the village of Moycullen in County Galway, Ireland. The plant treats wastewater from a population of approximately 3,237 and discharges into the local environment.
Ballina waste water treatment plant serves County Tipperary, Ireland, treating wastewater for approximately 3,475 people. The plant operates under Irish and EU regulations for small agglomerations.
Blackrock Louth Wastewater Treatment Plant serves the Dundalk area in County Louth, Ireland. It treats wastewater from a population of 5,370 and is located within 50 km of the coast.
Kenmare Waste Water Treatment Plant serves the town of Kenmare in County Kerry, Ireland. It is part of Ireland's municipal wastewater infrastructure under EU regulations.
Ballybunion Waste Water Treatment Plant serves 3,760 people in County Kerry, Ireland. The facility discharges treated effluent into the local environment, supporting water quality in the region.
Killorglin Waste Water Treatment Plant serves the town of Killorglin in County Kerry, Ireland. The plant treats wastewater from a population of approximately 3,764 and discharges into the local water environment.
Cahersiveen Waste water treatment plant serves 2,770 people in County Kerry, Ireland. The facility operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.
Castleisland Waste Water Treatment Plant serves approximately 5,000 people in County Kerry, Ireland. The facility discharges into the local river system under Ireland's implementation of the EU Urban Waste Water Treatment Directive.
Listowel Waste Water Treatment Plant serves County Kerry, Ireland, treating wastewater for approximately 8,826 people. The plant operates under EU Urban Waste Water Treatment Directive standards.
Kildare town wastewater treatment plant serves approximately 11,891 people in County Laois, Ireland. The facility operates under Ireland's implementation of the EU Urban Waste Water Treatment Directive.
Monasterevin Town waste water treatment plant serves 2,531 people in County Kildare, Ireland. The plant discharges into the local river system, contributing to the Barrow River catchment.
Lismore Wastewater Treatment Plant serves 2,240 people in County Waterford, Ireland. The facility operates under Ireland's implementation of the EU Urban Waste Water Treatment Directive.
Rathangan Waste Water Treatment Plant serves the town of Rathangan in County Kildare, Ireland. It treats wastewater from a population of approximately 2,779 under EU regulatory standards.
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, Rathcormac Waste Water Treatment Plant has the highest designed capacity at 1 m3/day.