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.
Cashel Wastewater Treatment Plant serves County Tipperary, Ireland, treating wastewater for approximately 10,916 people. The plant operates under Ireland's implementation of the EU Urban Waste Water Treatment Directive.
Cahir Waste Water Treatment Plant serves the town of Cahir in County Tipperary, Ireland. It treats wastewater from a population of approximately 4,811 under the EU Urban Waste Water Treatment Directive.
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.
Fethard Waste Water Treatment Plant serves County Tipperary, Ireland, treating wastewater for approximately 6,679 people. The facility operates under Ireland's implementation of the EU Urban Waste Water Treatment Directive.
Bunclody Waste Water Treatment Plant serves the town of Bunclody in County Wexford, Ireland. It treats wastewater for a population of 2,312 under EU regulations.
Dunmanway Wastewater Treatment Plant serves 2,174 people in West Cork, Ireland. The plant operates under Ireland's implementation of the EU Urban Waste Water Treatment Directive.
Callan Wastewater Treatment Plant serves the town of Callan in County Kilkenny, Ireland. It treats wastewater for approximately 3,070 people and discharges into the local water system.
Portarlington Waste water treatment plant serves County Offaly, Ireland, treating wastewater for approximately 9,266 people. The plant operates under Ireland's implementation of the EU Urban Waste Water Treatment Directive.
Piltown Wastewater Treatment Plant serves approximately 3,200 people in County Kilkenny, Ireland. The facility operates under Irish and EU wastewater regulations, discharging treated effluent into local watercourses.
Carrick on Shannon Waste Water Treatment Plant serves 5,176 people in County Leitrim, Ireland. The plant discharges into the River Shannon, supporting the local watershed and downstream ecology.
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.
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, Cahir Waste Water Treatment Plant has the highest designed capacity at 1 m3/day.