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.
KIRKBYMOORSIDE STW is a secondary treatment plant serving 3,013 people in Kirkbymoorside, England. It discharges 670.80 m³/day of treated wastewater into local watercourses within the North Yorkshire region.
KILLINGHALL STW is a secondary wastewater treatment plant in Killinghall, England, serving a population of 3,132. It discharges treated effluent into local watercourses, supporting the region's water quality.
HINDERWELL STW is a secondary wastewater treatment plant in Loftus, England, serving approximately 2,000 people. It discharges treated effluent near the North Sea coast, operating under UK regulations.
Grassington STW is a secondary treatment plant serving 2,110 people in Linton, North Yorkshire, England. It discharges treated wastewater into the local river system within the Yorkshire Dales.
ELDMIRE STW is a secondary treatment plant in Topcliffe, England, serving 2,692 people. It discharges 599.33 m³/day of treated wastewater, with a designed capacity of 2,847 m³/day.
Easingwold STW is a secondary treatment plant in North Yorkshire, England, serving approximately 4,246 people. It discharges treated wastewater into local watercourses, supporting the region's water quality management.
DARLEY STW is a secondary wastewater treatment plant serving approximately 2,074 people in Darley, North Yorkshire, England. It discharges 461.74 cubic meters of treated effluent daily, with a designed capacity of 2,159 cubic meters.
CATTERICK STW is a secondary wastewater treatment plant serving 2,223 people in Catterick, North Yorkshire, England. It discharges treated effluent into local watercourses under UK environmental regulations.
Ben Rhydding STW is a secondary treatment plant in Bradford, England, serving approximately 4,140 people. It discharges treated wastewater into the local water environment, supporting the Wharfe catchment.
BARWICK STW is a secondary wastewater treatment plant serving 3,277 people in Barwick in Elmet, Leeds, England. It discharges 729.57 m³/day of treated effluent into local watercourses.
DURHAM COLLEGES STW University STW is a secondary treatment plant in Durham, England, serving approximately 3,335 people. It discharges treated wastewater into the local water system.
PEGSWOOD STW is a secondary wastewater treatment plant in Pegswood, Northumberland, England, serving approximately 3,225 people. It discharges 718 m³/day and is located within 10 km of the North Sea coast.
DIPTON STW is a secondary wastewater treatment plant in Harelaw, County Durham, England, serving approximately 2,500 people. It discharges treated effluent into local watercourses within the North East region.
Wooler STW is a secondary treatment plant serving approximately 1,841 people in Wooler, Northumberland, England. It discharges 409.87 cubic meters of treated wastewater daily into the local catchment.
WOLSINGHAM STW is a secondary treatment plant serving 2,259 people in Wolsingham, County Durham, England. It discharges treated wastewater into local watercourses within the Wear catchment.
West Rainton Leamside STW is a secondary treatment plant in Framwellgate Moor, England, serving 2,500 people. It discharges 556.59 m³/day of treated wastewater into the local water environment.
TRIMDON VILLAGE STW is a secondary treatment plant in Trimdon Village, England, serving about 4,500 people. It discharges treated wastewater into local watercourses, supporting the region's water quality.
HALTWHISTLE STW is a secondary treatment plant serving Haltwhistle, England, UK. It treats wastewater for approximately 3,859 people with a designed capacity of 3,859 m³/day.
Haggerston Castle Caravan Park STW is a secondary treatment plant in Northumberland, England, serving a small population of 52. It discharges treated wastewater near the Northumberland coast.
Fishburn STW is a secondary wastewater treatment plant serving approximately 2,600 people in Fishburn, County Durham, England. It discharges treated effluent into local watercourses within the North East region.
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 2 plants linked to this operator.
Among the indexed plants, TRIMDON VILLAGE STW has the highest designed capacity at 6,431 m3/day.