1,887 plants indexed. Showing 786 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.
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.
ASKAM IN FURNESS STW is a secondary treatment plant serving 3,415 people in Askam-in-Furness, England. It discharges 760.30 m³/day of treated wastewater and is located within 10 km of the coast.
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.
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.
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.
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.
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.
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.
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.
FLAMBOROUGH STW is a secondary treatment plant serving Flamborough, England. It discharges treated wastewater near the North Sea coast, with a designed capacity of 4,933 m³/day.
Cherry Burton STW is a secondary treatment plant serving Bishop Burton, East Riding of Yorkshire, England. It treats wastewater for a population of 1,983 with a designed capacity of 2,477 m³/day.
Brandesburton STW is a secondary treatment plant serving 2,299 people in Brandesburton, East Riding of Yorkshire, England. It discharges 511.84 m³/day of treated wastewater and is located within 10 km of the coast.
Wilberfoss STW is a secondary wastewater treatment plant serving 2,786 people in Wilberfoss, East Riding of Yorkshire, England. It discharges treated effluent into local watercourses within the Humber catchment.
THORNTON DALE STW is a secondary treatment plant serving Thornton-le-Dale, North Yorkshire, England. It discharges treated wastewater into local watercourses, supporting the region's water quality.
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 United Utilities. UtilityRadar's records show 1 plant linked to this operator.
Among the indexed plants, CATON STW has the highest designed capacity at 10,498 m3/day.