1,887 plants indexed. Showing 415 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.
BARCOMBE NEW STW is a secondary treatment plant serving 3,451 people in Lewes, East Sussex, England. It discharges 768.31 m³/day of treated wastewater near the coast.
LAVANT STW is a secondary treatment plant serving 2,364 people in Chichester, West Sussex, England. It discharges treated wastewater near the coast, operating under UK regulations.
BOSHAM STW is a secondary treatment plant serving 3,891 people in Bosham, near Chichester, England. It discharges 866.27 m³/day of treated wastewater into the local coastal environment.
Windmill Hill Herstmonceux STW is a secondary treatment plant serving 2,319 people in Wealden, East Sussex, England. It discharges treated wastewater within 10 km of the coast, impacting the English Channel.
STOKE STW is a secondary wastewater treatment plant in Upper Stoke, England, serving approximately 2,932 people. It discharges treated effluent into the Medway estuary, within 10 km of the North Sea coast.
Teynham STW is a secondary treatment plant serving 3,680 people in Swale, Kent, England. Located near the coast, it discharges treated wastewater into the local water environment.
LYDD STW is a secondary wastewater treatment plant serving 3,588 people in Lydd, Folkestone and Hythe, England. It discharges 798.81 cubic meters of treated effluent daily near the Kent coast.
MINSTER STW is a secondary wastewater treatment plant serving 4,314 people in Thanet, Kent, England. It discharges treated effluent near the coast, operating under UK regulations.
EASTRY STW is a secondary treatment plant serving 2,190 people in Dover, Kent, England. It discharges 487.57 cubic meters of treated wastewater daily, operating under UK environmental regulations.
Westfield STW is a secondary treatment plant serving 2,228 people in Rother, East Sussex, England. It discharges treated wastewater near the coast, operating under the EU Urban Waste Water Treatment Directive.
LYNDHURST STW is a secondary wastewater treatment plant in New Forest, England, serving approximately 3,500 people. It discharges 781 cubic meters of treated effluent daily, located within 10 km of the coast.
Newbiggin STW Humus Tank Effluent is a secondary treatment plant serving 2,296 people in Newbiggin, England. It discharges 511.17 m³/day of treated wastewater near the coast.
WAVERTON STW is a secondary treatment plant in Waverton, England, serving approximately 2,200 people. It discharges 489.57 cubic meters of treated wastewater daily, with a designed capacity of 2,232 cubic meters.
MELLING STW is a secondary wastewater treatment plant serving Waddicar, England, with a population equivalent of 2,856. It discharges treated effluent near the coast of the Liverpool City Region.
LONGTOWN STW is a secondary treatment plant serving 2,789 people in Longtown, England. It discharges 620.93 m³/day of treated wastewater and is located within 10 km of the coast.
KINGSLEY STW is a secondary treatment plant in Crowton, England, serving 3,287 people. It discharges 731.80 m³/day of treated wastewater and is located within 10 km of the coast.
HOLME STW is a secondary treatment plant serving 3,507 people in Holme, England. It discharges 780.78 m³/day of treated wastewater within 10 km of the coast.
DEARHAM STW is a secondary wastewater treatment plant in Dearham, England, serving approximately 2,916 people. It discharges 649.20 m³/day of treated effluent and is located within 10 km of the coast.
CATON STW is a secondary treatment plant in Lancaster, England, serving approximately 2,880 people. It discharges 641.19 cubic meters of treated wastewater daily, with a designed capacity of 10,498 cubic meters.
ASPATRIA STW is a secondary treatment plant in Plumbland, England, serving approximately 3,087 people. It discharges 687.27 m³/day of treated wastewater and is located within 10 km of the coast.
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 2 plants linked to this operator.
Among the indexed plants, CATON STW has the highest designed capacity at 10,498 m3/day.