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.
Mountmellick Wastewater Treatment Plant serves County Laois, Ireland, treating wastewater for approximately 4,224 people. The plant operates under Ireland's implementation of the EU Urban Waste Water Treatment Directive.
Thomastown Waste Water Treatment Plant serves approximately 7,218 people in County Kilkenny, Ireland. The facility operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.
Manorhamilton Waste Water Treatment Plant serves 2,016 people in County Leitrim, Ireland. The facility operates under Ireland's implementation of the EU Urban Waste Water Treatment Directive.
Carrick on Suir Plant under construction serves County Tipperary, Ireland, with a designed capacity of 1.00. The plant will treat wastewater for approximately 7,950 people under EU regulations.
Tipperary Town Waste Water Treatment Plant serves approximately 13,500 people in County Tipperary, Ireland. The plant discharges into the local river system, supporting the Suir catchment.
Drumshanbo Waste Water Treatment Plant serves 2,406 people in County Leitrim, Ireland. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.
Clara Waste Water Treatment Plant serves the town of Clara in County Offaly, Ireland. It treats wastewater from approximately 3,785 people before discharging into local waterways.
Banagher waste water treatment plant serves the town of Banagher in County Offaly, Ireland. It treats wastewater from a population of approximately 2,540 under Irish and EU regulatory frameworks.
Dunshaughlin Waste Water Treatment Plant serves County Meath, Ireland, treating wastewater for approximately 5,607 people. The plant is located inland near the Clonee to North of Kells Motorway.
Trim Waste Water Treatment Plant serves County Meath, Ireland, treating wastewater for approximately 12,604 people. The plant operates under Ireland's implementation of the EU Urban Waste Water Treatment Directive.
Bandon Wastewater Treatment Plant serves County Cork, Ireland, treating wastewater for approximately 10,396 people. The plant operates under Irish and EU regulations for municipal wastewater treatment.
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.
Johnstown Bridge Sewage Treatment Plant serves approximately 7,108 people in County Kildare, Ireland. The plant operates under Ireland's implementation of the EU Urban Waste Water Treatment Directive.
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.
Kells Waste Water Treatment Plant serves County Meath, Ireland, treating wastewater for approximately 7,559 people. The plant operates under Ireland's implementation of the EU Urban Waste Water Treatment Directive.
Macroom Wastewater Treatment Plant serves 7,518 people in County Cork, Ireland. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.
Athboy Waste Water Treatment Plant serves the town of Athboy in County Meath, Ireland, with a population of approximately 2,131. The plant discharges into local waterways within the Boyne catchment.
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, Thomastown Waste water treatment plant has the highest designed capacity at 1 m3/day.