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.
Mitchelstown Waste Water Treatment Plant serves County Cork, Ireland, treating wastewater for approximately 7,878 people. The plant operates under Ireland's implementation of the EU Urban Waste Water Treatment Directive.
Convoy Waste water treatment plant serves 2,584 people in Figart Lower, County Donegal, Ireland. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.
Newmarket Wastewater Treatment Plant serves the town of Newmarket in County Cork, Ireland. It is an inland facility with a designed capacity of 1.00 unit, treating wastewater for a population of 2,414.
Millstreet Wastewater Treatment Plant serves the town of Millstreet in County Cork, Ireland. It treats wastewater for a population of approximately 3,388 under EU regulatory standards.
Adare Waste Water Treatment Plant serves the Adare area in County Limerick, Ireland. It operates under Ireland's implementation of the EU Urban Waste Water Treatment Directive.
Doneraile Wastewater Treatment Plant serves the town of Doneraile in County Cork, Ireland. It treats wastewater from a population of approximately 2,543 under the EU Urban Waste Water Treatment Directive.
Baltimore Waste Water Treatment Plant serves 2,500 people in West Cork, Ireland. The facility discharges treated wastewater into the local coastal environment near Tullagh.
Portlaw waste water treatment plant serves the community of Portlaw in County Waterford, Ireland. The facility operates under Irish and EU wastewater regulations.
Tallow Waste Water Treatment Plant serves the community of Tallowbridge in County Waterford, Ireland. It is a small-scale facility designed for a capacity of 1.00 unit, serving a population of 2,020.
Stamullen Waste Water Treatment Plant serves 3,724 people in County Meath, Ireland. The facility operates under EU Urban Waste Water Treatment Directive 91/271/EEC, which mandates secondary treatment for agglomerations of this scale.
Oldcastle Waste Water Treatment Plant serves County Meath, Ireland, treating wastewater for approximately 2,400 residents under EU Urban Waste Water Treatment Directive standards.
Virginia Wastewater treatment plant serves County Cavan, Ireland, treating wastewater for approximately 2,363 people. The plant operates under the EU Urban Waste Water Treatment Directive.
Ballivor Waste Water Treatment Plant serves approximately 2,010 people in County Meath, Ireland. The facility operates under Ireland's implementation of the EU Urban Waste Water Treatment Directive.
Derrinturn Waste Water Treatment Plant serves County Kildare, Ireland, treating wastewater for approximately 3,070 people. The plant discharges into the local water system, supporting the region's environmental health.
Mountbellew Waste water treatment plant serves the community of Mountbellew in County Galway, Ireland. It treats wastewater from a population of approximately 2,474 people.
Foxford waste water treatment plant serves 3,360 people in County Mayo, Ireland. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this size.
Ballybay Waste water treatment plant serves 2,461 people in County Monaghan, Ireland. The facility discharges into local waterways under Irish EPA regulations.
Castleblayney Waste Water Treatment Plant serves County Monaghan, Ireland, treating wastewater for approximately 13,700 people under the EU Urban Waste Water Treatment Directive.
Charleville Wastewater Treatment Plant serves County Limerick, Ireland, treating wastewater for approximately 13,300 people. The plant operates under Ireland's implementation of the EU Urban Waste Water Treatment Directive.
Kanturk Wastewater Treatment Plant serves the town of Kanturk in County Cork, Ireland, treating wastewater for approximately 4,864 people. The plant discharges into the local river system within the Munster region.
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, Mitchelstown Waste Water Treatment Plant has the highest designed capacity at 1 m3/day.