1,887 plants indexed. Showing 476 matching current filters.
The UK's wastewater is treated by 11 regional water companies including Thames Water, Severn Trent, Anglian Water, Welsh Water and Scottish Water, under Ofwat regulation. UtilityRadar indexes 1887 wastewater treatment plants in United Kingdom with a combined designed capacity of 2,480,261 m³/day. The largest plant on file is ROTHERWAS STW FIR TREE LANE HFD STW, treating 76,862 m³/day.
The UK's wastewater is treated by 11 regional water companies including Thames Water, Severn Trent, Anglian Water, Welsh Water and Scottish Water, under Ofwat regulation.
UtilityRadar's directory currently lists 1,887 wastewater treatment plants across United Kingdom. Together these plants represent a combined designed capacity of approximately 2,480,261 m³/day.
By treatment level, the directory contains 598 secondary, 20 advanced, 2 primary-treatment plants. Secondary treatment (typically activated sludge with biological nutrient removal) is the most common standard.
The largest plant indexed for United Kingdom is ROTHERWAS STW FIR TREE LANE HFD STW, with a designed capacity of 76,862 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.
Donaghmore advanced wastewater treatment plant serves Llanrwst, Wales, UK. It discharges treated effluent near the coast, with a designed capacity of 1500 m³/day and a population served of 3031.
Portaferry wastewater treatment plant serves 3,801 people in County Down, Northern Ireland. It provides advanced treatment and discharges 846.23 megaliters annually near the Irish Sea coast.
Moneyreagh wastewater treatment plant serves 2,380 people in County Down, Northern Ireland, with advanced treatment. It discharges 529.87 megaliters annually into the local water environment near the coast.
Ballygowan wastewater treatment plant serves 3,363 people in County Down, Northern Ireland. It provides secondary treatment and discharges 748.72 m³/day, located within 10 km of the coast.
BLACKRIDGE WWTW is a secondary treatment plant serving Westrigg, Scotland, with a population equivalent of 2,161. It discharges treated wastewater near the coast, operating under UK regulations.
Plean Waste Water Treatment Works is a secondary treatment plant serving 1,979 people in Plean, Scotland. It discharges 440.59 m³/day of treated wastewater and is located within 10 km of the coast.
FASLANE STW is a secondary treatment plant serving 3,500 people at HM Naval Base Clyde in Garelochhead, Scotland. It discharges 779.22 cubic meters of treated wastewater daily.
AVOCH WWTW is an advanced wastewater treatment plant serving Avoch, Scotland, United Kingdom. It treats wastewater from a population of 1,455 and discharges treated effluent into the local environment.
Winchburgh WWTW is a secondary treatment plant serving 2,862 people in West Lothian, Scotland. It discharges 637.18 m³/day of treated wastewater near the Union Canal, within 10 km of the coast.
Strathpeffer WWTP is a secondary treatment plant serving 1,537 people in Strathpeffer, Scotland. It discharges treated wastewater near the coast, with a designed capacity of 3,000 m³/day.
PATNA STW is an advanced wastewater treatment plant in Polnessan, Scotland, serving a population of 2,242. It discharges treated effluent into local watercourses near the coast.
NEWMACHAR WWTP is a secondary treatment plant in Newmachar, Aberdeenshire, Scotland, serving approximately 3,117 people. It discharges treated wastewater near the coast, with a designed capacity of 3,000 cubic meters per day.
Newburgh WWTW is a secondary treatment plant in Fife, Scotland, serving about 2,400 people. It discharges treated wastewater near the coast, operating under UK regulations.
Muir of Ord New STW is a secondary wastewater treatment plant serving approximately 4,343 people in Muir of Ord, Scotland. It discharges 966.90 m³/day of treated effluent and is located within 10 km of the coast.
LOCHMABEN STW is a secondary wastewater treatment plant serving Lochmaben, Scotland. It treats approximately 440 m³/day and is located within 10 km of the coast.
LAURENCEKIRK WWTP is a secondary treatment plant serving Marykirk, Scotland, with a population equivalent of 4,063. It discharges treated wastewater near the coast, operating under UK environmental regulations.
Kincardine WWTW is a secondary treatment plant serving 3,040 people in Fife, Scotland. It discharges 676.81 cubic meters of treated wastewater daily, with a designed capacity of 3,083 cubic meters.
Gorebridge WWTW is a secondary treatment plant serving 3,821 people in Gorebridge, Scotland. It discharges 850.69 m³/day of treated wastewater and is located within 10 km of the coast.
EVANTON WWTP is a secondary treatment plant serving approximately 1,985 people in Evanton, Highland, Scotland. It discharges treated wastewater near the coast, operating under UK regulations.
EASTRIGGS STW is a secondary treatment plant serving 1,880 people in Eastriggs, Scotland. It discharges 418.55 m³/day of treated wastewater and is located within 10 km of the coast.
UtilityRadar indexes 1887 wastewater treatment plants in United Kingdom, with treatment level, capacity, operator and discharge data on each record.
Among the plants on this page, the most-referenced operator is Scottish Water. UtilityRadar's records show 16 plants linked to this operator.
Among the indexed plants, LAURENCEKIRK WWTP has the highest designed capacity at 6,598 m3/day.