1,887 plants indexed. Showing 369 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.
Kirton in Lindsey STW is a secondary wastewater treatment plant in North Lincolnshire, England, serving approximately 3,093 people. It discharges treated effluent into local watercourses, supporting the region's water quality.
ELLESMERE WHARF MEADOW STW is a secondary wastewater treatment plant in Ellesmere, England, serving approximately 3,890 people. It discharges treated effluent into local watercourses within the Dee River basin.
COWBIT STW is a secondary wastewater treatment plant in South Holland, England, serving a population of 2,244. It discharges 499.59 m³/day of treated effluent, with a designed capacity of 3,300 m³/day.
Rendlesham Park STW F_E is a secondary treatment plant in East Suffolk, England, serving a population of 2,298. It discharges 511.61 m³/day of treated wastewater into local watercourses.
LAVENHAM STW F_E is a secondary treatment plant in Babergh, Suffolk, England, serving 2,125 people. It discharges 473.10 m³/day of treated wastewater into the local water environment.
Worlingham STW is a secondary treatment plant serving approximately 3,062 people in East Suffolk, England. It discharges treated wastewater into local watercourses, contributing to the region's water quality management.
Witchford STW is a secondary treatment plant serving 2,092 people in East Cambridgeshire, England. It discharges 465.75 cubic meters of treated wastewater daily.
Wickham Market STW is a secondary treatment plant serving 2,422 people in East Suffolk, England. It discharges 539.22 m³/day of treated wastewater into local watercourses.
WEYBREAD STW is a secondary treatment plant serving 2,200 people in Mid Suffolk, England. It discharges 489.80 cubic meters of treated wastewater daily, with a designed capacity of 2,615 cubic meters.
WETHERSFIELD STW is a secondary treatment plant serving 2,570 people in Braintree, Essex, England. It discharges 572.17 m³/day of treated wastewater, with a designed capacity of 3,076 m³/day.
Watlington STW is a secondary treatment plant in King's Lynn and West Norfolk, England, serving 4,410 people. It discharges treated wastewater into the local water environment, supporting the region's water quality.
SWINESHEAD STW is a secondary wastewater treatment plant serving 3,057 people in Boston, England. It discharges 680.59 cubic meters of treated effluent daily, operating under UK regulations.
SPILSBY STW is a secondary treatment plant in East Lindsey, England, serving approximately 4,148 people. It discharges 923.49 m³/day of treated wastewater into local watercourses.
Skellingthorpe STW is a secondary wastewater treatment plant in North Kesteven, England, serving a population of 4,484. It discharges treated effluent into local watercourses under UK environmental regulations.
SAXLINGHAM STW is a secondary treatment plant serving 2,226 people in South Norfolk, England. It discharges 495.59 m³/day of treated wastewater into local watercourses.
SAXILBY STW is a secondary wastewater treatment plant in West Lindsey, England, serving approximately 4,019 people. It has a designed capacity of 4,036 m³/day and discharges 894.77 m³/day of treated effluent.
Reepham STW is a secondary treatment plant serving approximately 4,200 people in Broadland, Norfolk, England. It discharges treated wastewater into the local water environment under UK regulations.
RAYNE STW is a secondary treatment plant serving 2,768 people in Rayne, Braintree, Essex, England. It discharges treated wastewater into local watercourses within the Blackwater catchment.
OLD LEAKE SKIPMARSH LANE STW is a secondary treatment plant in Boston, England, serving approximately 2,597 people. It discharges 578.18 cubic meters of treated wastewater daily.
NECTON STW is a secondary wastewater treatment plant in Breckland, Norfolk, England, serving approximately 3,112 people. It discharges treated effluent into local watercourses within the Anglian River Basin District.
UtilityRadar indexes 1887 wastewater treatment plants in United Kingdom, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, SKELLINGTHORPE STW has the highest designed capacity at 7,600 m3/day.