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.
Rudgwick STW is a secondary treatment plant serving 2,294 people in Horsham, England. It discharges 510.72 cubic meters of treated wastewater daily, operating under UK environmental regulations.
Headcorn STW is a secondary treatment plant serving 2,733 people in Maidstone, Kent, England. It discharges 608.46 m³/day of treated wastewater into local waterways.
Hadlow STW is a secondary wastewater treatment plant in Tonbridge and Malling, England, serving approximately 3,400 people. It discharges treated effluent into local watercourses within the Kent catchment.
WYE STW is a secondary wastewater treatment plant serving 2,431 people in Ashford, Kent, England. It discharges treated effluent into local waterways under UK environmental regulations.
Charing STW is a secondary treatment plant serving 2,805 people in Ashford, Kent, England. It discharges treated wastewater into the local water environment, contributing to the protection of the River Stour catchment and the North Sea.
Lenham STW is a secondary treatment plant serving 3,073 people in Maidstone, Kent, England. It discharges 684.16 m³/day of treated wastewater into the local catchment.
EAST PECKHAM STW is a secondary treatment plant in Tonbridge and Malling, England, serving approximately 2,995 people. It discharges 666.79 cubic meters of treated wastewater daily.
Crowborough STW is a secondary treatment plant serving 2,273 people in Wealden, East Sussex, England. It discharges treated wastewater into local watercourses within the English Channel catchment.
Wadhurst Whitegates STW is a secondary treatment plant serving approximately 2,963 people in Wealden, East Sussex, England. It discharges treated wastewater into local watercourses within the wider drainage basin of the English Channel.
LEEDS STW is a secondary treatment plant serving Maidstone, Kent, England. It treats wastewater for approximately 4,052 people and discharges 902.12 cubic meters per day.
ROBERTSBRIDGE STW is a secondary wastewater treatment plant in Robertsbridge, Rother, East Sussex, England, serving approximately 2,529 people. It discharges treated effluent into local watercourses within the Rother catchment.
WELLOW STW is a secondary treatment plant in New Forest, England, serving 4,419 people. It discharges 983.82 m³/day of treated wastewater into local watercourses.
Kirkby Lonsdale STW Humus Tank Effluent is a secondary treatment plant in England serving 2,014 people. It discharges 448.39 m³/day of treated wastewater into the local watercourse.
Warwick Bridge and District STW Humus is a secondary treatment plant serving approximately 2,079 people in Warwick Bridge, England. It discharges 462.86 cubic meters of treated wastewater daily.
INGLETON ETW EFFLUENT FROM LAND TREATMNT is a secondary treatment plant in Thornton in Lonsdale, England, serving 2,735 people. It discharges 608.91 cubic meters of treated wastewater daily.
Dalston WWTW is a secondary treatment plant serving 1,694 people in Dalston, England. It discharges 377.14 megalitres of treated wastewater annually, operating under UK environmental regulations.
WRENBURY STW is a secondary treatment plant serving approximately 3,060 people in Aston, England. It discharges 681.26 m³/day of treated wastewater, operating under UK regulations.
WILPSHIRE STW is a secondary treatment plant serving 3,042 people in Ribble Valley, Lancashire, England. It discharges 677.25 m³/day of treated wastewater into local watercourses.
TARPORLEY STW is a secondary treatment plant serving 2,799 people in Tarporley, England. It discharges 623.15 cubic meters of treated wastewater daily, with a designed capacity of 2,979 cubic meters.
SEDBURGH STW is a secondary wastewater treatment plant in Sedbergh, England, serving approximately 2,967 people. It discharges 660.56 cubic meters of treated effluent daily, operating under UK regulations.
UtilityRadar indexes 1887 wastewater treatment plants in United Kingdom, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, HEADCORN STW has the highest designed capacity at 8,028 m3/day.