1,887 plants indexed. Showing 598 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.
Compton Bassett STW is a secondary treatment plant serving Calne, England. It treats wastewater for a population of 2,554 and has a designed capacity of 3,081 m³/day.
Charmouth STW is a secondary treatment plant serving 3,621 people in Charmouth, Dorset, England. It discharges 806.16 m³/day of treated wastewater near the Jurassic Coast.
CHARFIELD STW is a secondary wastewater treatment plant in Charfield, England, serving approximately 3,863 people. It discharges 860.04 cubic meters of treated effluent daily and is located near the coast.
CASTLE CARY STW is a secondary wastewater treatment plant serving Castle Cary, Somerset, England. It treats wastewater for a population of 3,366 with a designed capacity of 5,433 m³/day.
BUTLEIGH STW is a secondary treatment plant serving Butleigh, Somerset, England. It discharges treated wastewater into local watercourses, supporting the region's water quality management.
BRUTON STW is a secondary wastewater treatment plant serving 2,465 people in Wyke Champflower, Somerset, England. It discharges 548.79 cubic meters per day and has a designed capacity of 4,004 cubic meters per day.
BOX STW is a secondary wastewater treatment plant serving Box, Wiltshire, England. It treats wastewater for a population of 2,256 and discharges 502.26 m³/day, operating under UK environmental regulations.
Bishops Lydeard STW is a secondary treatment plant serving 2,091 people in Somerset, England. It discharges 465.53 m³/day of treated wastewater, with a designed capacity of 2,450 m³/day.
ALVESTON STW is a secondary treatment plant in Rudgeway, England, serving 2,205 people. It discharges 490.91 m³/day and is located near the Severn Estuary.
Almondsbury STW is a secondary wastewater treatment plant in Tockington, England, serving a population of 2,649. It discharges 589.76 cubic meters of treated effluent daily and is located near the coast.
Woodbury STW is a secondary wastewater treatment plant in East Devon, England, serving 2,432 people. It discharges 541.45 m³/day and is located within 10 km of the coast.
WILLAND STW is a secondary wastewater treatment plant in Mid Devon, England, serving approximately 3,353 people. It discharges treated effluent into local watercourses within the Devon and Torbay catchment.
UFFCULME STW is a secondary treatment plant in Mid Devon, England, serving 2,443 people. It discharges 543.90 cubic meters of treated wastewater, with a designed capacity matching the population served.
Tatworth STW is a secondary wastewater treatment plant in Dorset, England, serving approximately 2,663 people. It discharges treated effluent into local watercourses within the Axe catchment.
ST DENNIS STW is a secondary wastewater treatment plant serving 2,551 people in Indian Queens, Cornwall, England. It discharges 567.94 cubic meters per day and is located within 10 km of the coast.
ST CLEER STW is a secondary treatment plant in St Cleer, Cornwall, England, serving approximately 2,595 people. It discharges 577.74 m³/day of treated wastewater within 10 km of the coast.
South Brent STW is a secondary wastewater treatment plant in South Hams, England, serving approximately 2,707 people. It discharges treated effluent into local watercourses within the Devon catchment.
PORTHTOWAN STW is a secondary wastewater treatment plant serving Mount Hawke, Cornwall, England. It discharges treated effluent near the coast, with a design capacity of 2778 cubic meters per day.
PONSANOOTH STW is a secondary treatment plant in Ponsanooth, Cornwall, England, serving approximately 2,879 people. It discharges 640.97 m³/day of treated wastewater and is located within 10 km of the coast.
OTTERY ST MARY STW is a secondary wastewater treatment plant in East Devon, England, serving a population of 2,294. It discharges 510.72 m³/day of treated effluent and is located within 10 km of the coast.
UtilityRadar indexes 1887 wastewater treatment plants in United Kingdom, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, CHARFIELD STW has the highest designed capacity at 7,351 m3/day.