1,887 plants indexed. Showing 448 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.
HMP Lindholme and Moorland is a secondary wastewater treatment plant serving a population of 2,361 in Doncaster, England. It discharges treated effluent into local watercourses within the Humber River Basin.
Swinderby STW is a secondary treatment plant in North Kesteven, England, serving a population of 2,059. It discharges treated wastewater into the local water environment.
Yeoford STW is a secondary treatment plant in Mid Devon, England, serving a population of 2,071. It discharges 461.08 cubic meters of treated wastewater daily into the local watercourse.
NORTH TAWTON STW is a secondary wastewater treatment plant in West Devon, England, serving approximately 2,111 people. It discharges treated effluent into local watercourses within the Devon and Torbay catchment.
BRADNINCH STW is a secondary wastewater treatment plant serving approximately 2,093 people in Bradninch, Mid Devon, England. It discharges treated effluent into local watercourses within the Devon catchment.
TOW LAW STW is a secondary treatment plant serving Wolsingham, England, with a population equivalent of 2,029. It discharges treated wastewater into the local catchment, contributing to the protection of the River Wear and downstream ecosystems.
WRAGBY STW is a secondary treatment plant serving 2,054 people in West Lindsey, Lincolnshire, England. It discharges treated wastewater into the local water environment under UK regulatory frameworks.
GT BARFORD STW is a secondary treatment plant in Great Barford, England, serving approximately 2,017 people. It discharges treated wastewater into the local water environment.
STONHAM ASPAL STW is a secondary treatment plant in Mid Suffolk, England, serving 2,310 people. It discharges 514.29 m³/day of treated wastewater, operating under UK regulations.
Ketton STW is a secondary wastewater treatment plant serving approximately 2,092 people in Geeston, Rutland, England. It discharges treated effluent into the local water environment under UK regulatory standards.
Great Finborough STW is a secondary treatment plant in Mid Suffolk, England, serving approximately 2,077 people. It discharges treated wastewater into local watercourses, supporting the region's water quality.
FELTWELL STW is a secondary treatment plant in King's Lynn and West Norfolk, England, serving 2,064 people. It discharges 459.52 m³/day of treated wastewater into local watercourses.
HAY ON WYE SEWAGE TREATMENT WORKS STW is a secondary treatment plant in Cusop, England, serving 2,100 people. It discharges 467.53 m³/day of treated wastewater into the local environment.
LYDBROOK SEWAGE TREATMENT WORKS STW is a secondary treatment plant in Forest of Dean, England, serving 2,617 people. It discharges 582.64 m³/day of treated effluent into local watercourses.
Kington STW Waterloo Road is a secondary treatment plant serving approximately 3,000 people in Kington, Herefordshire, England. It discharges treated effluent into the local water environment under UK regulatory frameworks.
MORETON ON LUGG STW VIA LUGG VIEW STW is a secondary treatment plant serving Marden, Herefordshire, England. It treats wastewater for a population of 3,741 with a designed capacity of 4,612 m³/day.
ROTHERWAS STW FIR TREE LANE HFD STW is a secondary treatment plant serving 1,167 people in Hereford, England. It discharges treated wastewater into the local water environment.
Marsh Gibbon STW is a secondary treatment plant serving 2,400 people in Buckinghamshire, England. It discharges treated wastewater into local waterways under UK environmental regulations.
WANBOROUGH STW is a secondary treatment plant serving approximately 2,130 people in Wanborough, England. It discharges treated wastewater into the local water environment, supporting the Thames River Basin.
Worminghall Bucks STW is a secondary treatment plant serving 3,490 people in Buckinghamshire, England. It discharges 777 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 Severn Trent Water. UtilityRadar's records show 1 plant linked to this operator.
Among the indexed plants, ROTHERWAS STW FIR TREE LANE HFD STW has the highest designed capacity at 76,862 m3/day.