1,887 plants indexed.
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.
KEGWORTH STW is a secondary treatment plant serving 3,513 people in Kegworth, Derby, England. It discharges 782.12 cubic meters of treated wastewater daily, with a designed capacity of 4,000 cubic meters.
HURLEY STW is a secondary treatment plant serving 3,310 people in North Warwickshire, England. It discharges 736.92 m³/day of treated wastewater, with a designed capacity of 3,500 m³/day.
HIGHLEY STW is a secondary treatment plant serving 4,223 people in Highley, England. It discharges 940.19 m³/day of treated wastewater, with a designed capacity of 4,295 m³/day.
HEAGE STW is a secondary wastewater treatment plant in Amber Valley, England, serving approximately 2,600 people. It discharges treated effluent into local waterways in the East Midlands.
Harvington STW is a secondary wastewater treatment plant in Wychavon, England, serving approximately 2,400 people. It discharges 537 m³/day of treated effluent into the local water environment.
GREAT GLEN STW is a secondary wastewater treatment plant in Harborough, England, serving a population of 3,346. It has a designed capacity of 4,000 m³/day and discharges 744.94 m³/day of treated effluent.
FRITCHLEY STW is a secondary treatment plant in Amber Valley, England, serving approximately 2,115 people. It discharges treated wastewater into local watercourses in the Derbyshire region.
FRANKTON STW is a secondary wastewater treatment plant serving 2,378 people in Rugby, England. It discharges 529.43 m³/day of treated effluent into local watercourses under UK environmental regulations.
FRAMPTON STW is a secondary treatment plant serving 2,561 people in Stroud, England. It discharges 570.17 m³/day of treated wastewater near the River Severn estuary.
FARNSFIELD STW is a secondary treatment plant in Newark and Sherwood, England, serving approximately 3,292 people. It discharges treated wastewater into local watercourses within the Trent River basin.
Farndon STW is a secondary wastewater treatment plant in Newark and Sherwood, Nottinghamshire, England, serving approximately 2,600 people with a designed capacity of 2,750 m³/day.
ETWALL STW is a secondary treatment plant serving 2,772 people in South Derbyshire, England. It discharges 617.14 m³/day of treated wastewater, with a designed capacity of 4,500 m³/day.
ENDON STW is a secondary wastewater treatment plant in Staffordshire Moorlands, England, serving approximately 3,708 people. It discharges treated effluent into local watercourses within the Trent River basin.
ELLESMERE WHARF MEADOW STW is a secondary wastewater treatment plant in Ellesmere, England, serving approximately 3,890 people. It discharges treated effluent into local watercourses within the Dee River basin.
East Markham STW is a secondary treatment plant serving 3,610 people in Bassetlaw, Nottinghamshire, England. It discharges 803.71 m³/day of treated wastewater into local watercourses.
EAST BRIDGFORD STW is a secondary treatment plant serving approximately 2,095 people in Rushcliffe, Nottinghamshire, England. It discharges treated wastewater into the local water environment.
Dunchurch STW is a secondary wastewater treatment plant serving 2,754 people in Rugby, England. It discharges treated effluent into local watercourses under UK environmental regulations.
DONISTHORPE STW is a secondary treatment plant in North West Leicestershire, England, serving approximately 3,079 people. It discharges 685.49 m³/day of treated wastewater into local watercourses.
Cropwell Bishop STW is a secondary treatment plant serving the village of Cropwell Bishop in Rushcliffe, Nottinghamshire, England. It treats wastewater for approximately 3,131 residents with a designed capacity of 3,500 cubic meters per day.
Cropthorne Heath STW is a secondary treatment plant in Wychavon, England, serving about 2,670 people. It discharges 594.43 m³/day of treated wastewater into the local water environment.
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 3 plants linked to this operator.
Among the indexed plants, EAST MARKHAM STW has the highest designed capacity at 13,000 m3/day.