1,887 plants indexed. Showing 570 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.
Kenton and Starcross STW is a secondary treatment plant in Teignbridge, England, serving approximately 2,988 people. It discharges 665.23 cubic meters of treated wastewater daily, with a designed capacity of 3,936 cubic meters.
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.
Horrabridge STW is a secondary treatment plant in West Devon, England, serving about 3,000 people. It discharges treated wastewater near the coast, operating under UK regulations.
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.
GUNNISLAKE STW is a secondary wastewater treatment plant in West Devon, England, serving 2,209 people. It discharges 491.80 m³/day and is located within 10 km of the coast.
DELABOLE STW is a secondary wastewater treatment plant serving approximately 1,969 people in Delabole, Cornwall, England. It discharges treated effluent into the local environment near the coast.
Compton and Marldon STW is a secondary wastewater treatment plant in South Hams, Devon, England, serving approximately 2,057 people with a discharge volume of 457.96 m³/day.
COLYTON and COLYFORD STW is a secondary treatment plant in East Devon, England, serving 2,964 people. It discharges 659.89 m³/day of treated wastewater near the coast.
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.
Carnon Downs STW is a secondary treatment plant serving Devoran, Cornwall, England. It discharges treated wastewater near the coast, with a designed capacity of 4186.00 and an average flow of 675.03.
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.
CALSTOCK STW is a secondary treatment plant serving 2,060 people in Calstock, Cornwall, England. It discharges 458.63 m³/day of treated wastewater, with a designed capacity of 3,097 m³/day.
Bere Alston STW is a secondary treatment plant serving St. Dominick, Cornwall, England. It discharges treated wastewater near the coast, operating under UK environmental regulations.
WOULDHAM STW is a secondary treatment plant in Tonbridge and Malling, Kent, England, serving approximately 2,974 people. It discharges treated wastewater near the River Medway estuary, within 10 km of the coast.
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.
SWAY OUTLET CSM DATA is a secondary treatment plant serving 2,588 people in New Forest, England. It discharges 576.18 m³/day and is located within 10 km of the coast.
Brockenhurst STW is a secondary treatment plant in New Forest, England, serving 3,637 people. It discharges 809.72 m³/day of treated wastewater near the coast.
Ludgershall STW is a secondary treatment plant serving approximately 4,024 people in Ludgershall, Wiltshire, England. It discharges treated wastewater into local watercourses within the Hampshire Avon catchment.
GRIMSTEAD STW is a secondary wastewater treatment plant in East Grimstead, England, serving approximately 2,905 people. It discharges treated effluent into local watercourses within the Hampshire Avon catchment.
UtilityRadar indexes 1887 wastewater treatment plants in United Kingdom, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, COLYTON and COLYFORD STW has the highest designed capacity at 5,357 m3/day.