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.
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.
Overton STW is a secondary treatment plant serving 4,228 people in Basingstoke and Deane, England. It discharges 941.30 m³/day of treated wastewater into the local water environment.
Barton Stacey STW is a secondary wastewater treatment plant in Test Valley, England, serving approximately 3,459 people. It discharges 770.09 m³/day and is located inland, over 10 km from the coast.
Ticehurst STW is a secondary treatment plant serving approximately 2,768 people in Rother, East Sussex, England. It discharges treated wastewater into the local catchment, contributing to the protection of the River Rother and downstream environments
WICKHAM STW is a secondary treatment plant serving 2,251 people in Wickham, Winchester, England. It discharges 501.15 m³/day of treated wastewater and is located within 10 km of the coast.
WROXALL STW is a secondary treatment plant serving 2,945 people in Wroxall, Isle of Wight, England. It discharges 655.66 cubic meters of treated wastewater daily.
SPELDHURST STW is a secondary wastewater treatment plant serving approximately 3,200 people in Tunbridge Wells, England. It discharges treated effluent into local watercourses within the Medway catchment.
PETWORTH SOUTH STW is a secondary wastewater treatment plant in Duncton, Chichester, England, serving approximately 2,527 people. It discharges 562.60 cubic meters of treated effluent daily.
Partridge Green STW is a secondary treatment plant in Horsham, England, serving 2,520 people. It discharges 561.04 cubic meters of treated wastewater daily, operating under UK regulations.
CUCKFIELD STW is a secondary wastewater treatment plant in Mid Sussex, England, serving approximately 3,312 people. It discharges 737.37 cubic meters of treated effluent daily.
LOXWOOD STW is a secondary treatment plant serving 3,335 people in Loxwood, Chichester, England. It discharges 742.49 m³/day of treated wastewater into local watercourses.
UtilityRadar indexes 1887 wastewater treatment plants in United Kingdom, with treatment level, capacity, operator and discharge data on each record.
Among the plants on this page, the most-referenced operator is Southern Water. UtilityRadar's records show 3 plants linked to this operator.
Among the indexed plants, OVERTON STW has the highest designed capacity at 4,228 m3/day.