1,887 plants indexed. Showing 1,405 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.
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.
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.
Denholme STW is a secondary wastewater treatment plant serving approximately 2,890 people in Bradford, England. It discharges treated effluent into local watercourses within the Aire catchment.
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.
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.
PATELEY BRIDGE STW is a secondary treatment plant serving Glasshouses, England. It discharges 482.67 cubic meters of treated wastewater daily, with a designed capacity of 2694.00 cubic meters.
MELBOURNE STW is a secondary treatment plant serving 2,598 people in Melbourne, East Riding of Yorkshire, England. It discharges treated wastewater into local watercourses within the Humber catchment.
MASHAM STW is a secondary wastewater treatment plant serving Masham, North Yorkshire, England. It discharges treated effluent into local watercourses, supporting the River Ure catchment.
LEYBURN STW is a secondary wastewater treatment plant serving Middleham, England. It treats wastewater for approximately 3,634 people with a designed capacity of 4,151 cubic meters per day.
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.
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.
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, EASINGWOLD STW has the highest designed capacity at 4,566 m3/day.