1,887 plants indexed. Showing 1,857 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.
Tattenhall WWTW is a secondary treatment plant serving approximately 2,129 people in Tattenhall, England. It discharges treated wastewater into the local water environment, contributing to the Dee River Basin.
Linton-on-Ouse STW is a secondary treatment plant serving 2,330 people in North Yorkshire, England. It discharges 518.74 m³/day of treated wastewater into the local water environment.
Hemingbrough STW is a secondary treatment plant in North Yorkshire, England, serving approximately 2,133 people. It discharges treated wastewater into the local water environment, contributing to the Ouse and Humber catchment.
Micklefield New STW Final Effluent is a secondary treatment plant serving 2,048 people in Leeds, England. It discharges 455.96 m³/day of treated wastewater into local watercourses.
FOLKTON STW is a secondary treatment plant serving Flixton, England, UK. It treats wastewater for a population of 2,394 with a designed capacity of 2,434 m³/day and a discharge volume of 532.99 m³/day.
HUNMANBY STW is a secondary treatment plant in Hunmanby, England, serving 2,628 people. It discharges 585.08 cubic meters of treated wastewater daily and is located within 10 km of the coast.
AIREDALE STW is a secondary treatment plant serving Fairburn, England, with a population equivalent of 4,241. It discharges 944.19 m³/day of treated wastewater and has a designed capacity of 4,343 m³/day.
WILLIAMTHORPE STW is a secondary treatment plant in North East Derbyshire, England, serving approximately 3,896 people. It discharges 867.38 cubic meters of treated wastewater daily.
WATTON STW is a secondary treatment plant serving Watton, East Riding of Yorkshire, England. It discharges treated wastewater into local watercourses, supporting the region's water quality.
STOCKLEY STW is a secondary treatment plant serving Bolsover, Derbyshire, England. It treats wastewater for approximately 2,566 people and discharges 571.28 cubic meters per day.
SKIDBY STW is a secondary wastewater treatment plant in Skidby, East Riding of Yorkshire, England, serving approximately 2,133 people. It discharges treated effluent into local watercourses near the Humber Estuary.
Silkstone STW is a secondary treatment plant serving 3,110 people in Barnsley, England. It discharges treated wastewater into local watercourses, supporting the region's water quality management.
Renishaw STW is a secondary treatment plant in North East Derbyshire, England, serving approximately 2,829 people. It discharges treated wastewater into local watercourses under UK environmental regulations.
OXENHOPE STW is a secondary wastewater treatment plant serving 2,187 people in Oxenhope, Bradford, England. It discharges treated effluent into local watercourses within the Aire catchment.
NAFFERTON STW is a secondary treatment plant in Nafferton, England, serving approximately 2,280 people. It discharges treated wastewater into local watercourses within the East Riding of Yorkshire.
LEVEN STW is a secondary treatment plant in Leven, East Riding of Yorkshire, England, serving 2,461 people. It discharges 547.90 m³/day of treated wastewater and is located within 10 km of the coast.
KEYINGHAM STW is a secondary treatment plant serving Thorngumbald, England, discharging 534.55 m³/day. It lies within 10 km of the coast, contributing to the Humber Estuary ecosystem.
Holme on Spalding Moor STW is a secondary treatment plant in East Riding of Yorkshire, England, serving 2,887 people. It discharges 642.75 m³/day of treated wastewater and has a designed capacity of 3,210 m³/day.
Harlington STW is a secondary wastewater treatment plant serving 2,086 people in Doncaster, England. It discharges 464.42 m³/day and operates under UK regulations.
Gilberdyke and Staddlethorpe SPS STW is a secondary treatment plant serving 3,331 people in Blacktoft, England. It discharges 741.60 m³/day of treated wastewater near the Humber Estuary 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 Yorkshire Water. UtilityRadar's records show 3 plants linked to this operator.
Among the indexed plants, AIREDALE STW has the highest designed capacity at 4,343 m3/day.