1,887 plants indexed. Showing 1,857 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.
Kimpton STW is a secondary treatment plant serving 2,160 people in North Hertfordshire, England. It discharges treated wastewater into local watercourses, supporting the region's water quality.
Hurley STW is a secondary treatment plant serving approximately 2,450 people in Hurley, England. It discharges 545.46 m³/day of treated wastewater, with a designed capacity of 4,770 m³/day.
Hook Norton Hook Norton Oxon STW is a secondary treatment plant in Cherwell, Oxfordshire, serving 2,620 people. It discharges 583.30 cubic meters of treated wastewater daily, with a designed capacity of 2,953 cubic meters.
Heyford STW is a secondary treatment plant serving 2,190 people in Cherwell, Oxfordshire, England. It discharges 487.57 m³/day of treated wastewater into local watercourses.
Hatfield Heath STW is a secondary treatment plant in Uttlesford, England, serving 2,850 people. It discharges 634.51 m³/day of treated wastewater, operating under UK regulations.
Finstock Finstock Oxon STW is a secondary wastewater treatment plant in West Oxfordshire, England, serving a population of 3,460. It discharges 770.32 cubic meters of treated effluent daily.
FAIRFORD FAIRFORD GLOS STW is a secondary treatment plant in Cotswold, England, serving approximately 4,360 people. It discharges treated wastewater into the local water environment.
Dorchester STW Oxon is a secondary treatment plant serving 2,370 people in South Oxfordshire, England. It discharges treated wastewater into the River Thames catchment, supporting local water quality.
Culham Clifton Hampden STW is a secondary treatment plant serving 4,360 people in South Oxfordshire, England. It discharges treated wastewater into the River Thames catchment, supporting local water quality.
CRICKLADE CRICKLADE WILTS STW is a secondary treatment plant serving Latton, England. It treats wastewater for approximately 4,330 people and discharges 964.01 cubic meters per day.
Compton Coo STW is a secondary treatment plant serving approximately 2,750 people in Compton, West Berkshire, England. It discharges 612.25 m³/day of treated wastewater into the local water environment.
Charlbury Charlbury Oxon STW is a secondary treatment plant serving 2,700 people in West Oxfordshire, England. It discharges 601.11 m³/day of treated wastewater into local waterways.
Chalgrove Oxon STW is a secondary treatment plant serving 3,040 people in South Oxfordshire, England. It discharges 676.81 m³/day of treated wastewater into local watercourses.
Burford Oxon STW is a secondary treatment plant serving approximately 2,200 people in West Oxfordshire, England. It discharges 489.80 cubic meters of treated wastewater daily, with a designed capacity of 2,370 cubic meters.
Broadwell Broadwell Oxon STW is a secondary wastewater treatment plant serving approximately 3,900 people in Cotswold, Gloucestershire, England. It discharges 868.28 m³/day of treated effluent into the local water environment.
BENTLEY STW is a secondary treatment plant serving 2,530 people in East Hampshire, England. It discharges treated wastewater into local waterways, supporting the region's environmental health.
AMPNEY ST PETER AMPNEY ST PETE STW is a secondary wastewater treatment plant serving the Cotswold area in Gloucestershire, England. It treats wastewater for approximately 2,220 people and discharges treated effluent into local watercourses.
SEEND STW is a secondary treatment plant in Seend, Wiltshire, England, serving a population of 1,964. It discharges 437.25 cubic meters of treated wastewater daily.
CHIDEOCK STW is a secondary wastewater treatment plant in Seatown, Dorset, England, serving approximately 2,182 people. It discharges 485.79 cubic meters of treated effluent daily.
COLEFORD STW is a secondary treatment plant in Coleford, Somerset, England, serving a population of 1,989. It discharges 442.82 cubic meters of treated wastewater daily, with a designed capacity of 3,087 cubic meters.
UtilityRadar indexes 1887 wastewater treatment plants in United Kingdom, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, DORCHESTER STW OXON has the highest designed capacity at 25,841 m3/day.