1,887 plants indexed. Showing 1,379 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.
KEEVIL STW is a secondary treatment plant serving 3,371 people in Keevil, Wiltshire, England. It discharges 750.50 m³/day and has a designed capacity of 8,345.00 m³/day.
ILCHESTER STW is a secondary treatment plant serving Ilchester, Somerset, England. It discharges treated wastewater into local waterways, supporting environmental protection in the region.
HURDCOTT STW is a secondary treatment plant in Winterbourne Earls, England, serving 3,326 people. It discharges 740.48 m³/day of treated wastewater, with a designed capacity of 4,283.00 m³/day.
EAST COKER STW is a secondary treatment plant serving approximately 3,445 people in East Coker, Somerset, England. It discharges treated wastewater into the local water environment, operating under UK regulations.
Compton Bassett STW is a secondary treatment plant serving Calne, England. It treats wastewater for a population of 2,554 and has a designed capacity of 3,081 m³/day.
CASTLE CARY STW is a secondary wastewater treatment plant serving Castle Cary, Somerset, England. It treats wastewater for a population of 3,366 with a designed capacity of 5,433 m³/day.
BUTLEIGH STW is a secondary treatment plant serving Butleigh, Somerset, England. It discharges treated wastewater into local watercourses, supporting the region's water quality management.
BRUTON STW is a secondary wastewater treatment plant serving 2,465 people in Wyke Champflower, Somerset, England. It discharges 548.79 cubic meters per day and has a designed capacity of 4,004 cubic meters per day.
BOX STW is a secondary wastewater treatment plant serving Box, Wiltshire, England. It treats wastewater for a population of 2,256 and discharges 502.26 m³/day, operating under UK environmental regulations.
Bishops Lydeard STW is a secondary treatment plant serving 2,091 people in Somerset, England. It discharges 465.53 m³/day of treated wastewater, with a designed capacity of 2,450 m³/day.
WILLAND STW is a secondary wastewater treatment plant in Mid Devon, England, serving approximately 3,353 people. It discharges treated effluent into local watercourses within the Devon and Torbay catchment.
UFFCULME STW is a secondary treatment plant in Mid Devon, England, serving 2,443 people. It discharges 543.90 cubic meters of treated wastewater, with a designed capacity matching the population served.
Tatworth STW is a secondary wastewater treatment plant in Dorset, England, serving approximately 2,663 people. It discharges treated effluent into local watercourses within the Axe catchment.
South Brent STW is a secondary wastewater treatment plant in South Hams, England, serving approximately 2,707 people. It discharges treated effluent into local watercourses within the Devon catchment.
Ipplepen and Torbryan STW is a secondary treatment plant in Teignbridge, England, serving 2,610 people. It discharges 581.08 m³/day of treated wastewater, with a designed capacity of 2,760 m³/day.
Holsworthy STW is a secondary treatment plant serving 3,040 people in Torridge, Devon, England. It discharges 676.81 m³/day of treated wastewater into local waterways.
CHUDLEIGH STW is a secondary treatment plant serving about 4,385 people in Teignbridge, England. It discharges treated wastewater into local waterways, contributing to the region's water quality management.
CAMELFORD STW is a secondary wastewater treatment plant in Camelford, Cornwall, England, serving approximately 3,000 people. It discharges 667.46 cubic meters of treated effluent daily.
BIDDENDEN STW is a secondary treatment plant in Ashford, England, serving 2,487 people. It discharges 553.69 m³/day of treated wastewater into local watercourses.
KINGS SOMBOURNE OUT CSM DATA is a secondary treatment plant in Test Valley, Hampshire, England, serving approximately 2,156 people. It discharges 480 cubic meters of treated wastewater daily.
UtilityRadar indexes 1887 wastewater treatment plants in United Kingdom, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, KEEVIL STW has the highest designed capacity at 8,345 m3/day.