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.
ROWDE STW is a secondary treatment plant serving Rowde, Wiltshire, England. It discharges treated wastewater into local watercourses, supporting the region's water quality.
REDWICK STW is a secondary wastewater treatment plant serving approximately 3,920 people in Bristol, England. It discharges 872.73 cubic meters of treated effluent daily, operating near the Severn Estuary.
RAF Lyneham STW is a secondary treatment plant serving 3,901 people in Lyneham, Wiltshire, England. It discharges 868.50 cubic meters of treated wastewater daily, with a designed capacity of 6,578 cubic meters.
Pucklechurch STW is a secondary treatment plant in South Gloucestershire, England, serving approximately 2,629 people. It discharges treated wastewater into local watercourses, supporting the region's environmental health.
North Petherton STW is a secondary treatment plant serving 3,413 people in Somerset, England. It discharges 759.85 m³/day of treated wastewater and is located within 10 km of the coast.
Netheravon STW is a secondary treatment plant serving 1,911 people in Wiltshire, England. It discharges 425.46 m³/day of treated wastewater into the local water environment.
Nether Stowey STW is a secondary treatment plant in Fiddington, Somerset, England, serving about 2,928 people. It discharges treated wastewater near the coast, with a designed capacity of 4,116 m³/day.
MILBORNE PORT STW is a secondary wastewater treatment plant in Goathill, Dorset, England, serving approximately 4,209 people with a designed capacity of 4,794 m³/day and an average discharge volume of 937 m³/day.
Michaelwood STW is a secondary wastewater treatment plant serving 2,882 people in Stroud, Gloucestershire, England. It discharges treated effluent into the local water environment near the River Severn estuary.
MERRIOTT STW is a secondary treatment plant in Merriott, Somerset, England, serving a population of 3,376. It discharges treated wastewater into local watercourses, contributing to the region's water quality management.
MERE STW is a secondary wastewater treatment plant in Mere, Wiltshire, England, serving a population of 3,292. It discharges 732.91 m³/day of treated effluent into local watercourses.
LAVINGTON STW is a secondary wastewater treatment plant in Little Cheverell, England, serving approximately 3,905 people. It discharges 869.39 m³/day of treated effluent into the local catchment.
KEEVIL STW is a secondary treatment plant serving 3,371 people in Keevil, Wiltshire, England. It discharges 750.50 m³/day and has a designed capacity of 8,345.00 m³/day.
ILCHESTER STW is a secondary treatment plant serving Ilchester, Somerset, England. It discharges treated wastewater into local waterways, supporting environmental protection in the region.
HURDCOTT STW is a secondary treatment plant in Winterbourne Earls, England, serving 3,326 people. It discharges 740.48 m³/day of treated wastewater, with a designed capacity of 4,283.00 m³/day.
EAST COKER STW is a secondary treatment plant serving approximately 3,445 people in East Coker, Somerset, England. It discharges treated wastewater into the local water environment, operating under UK regulations.
Corfe Castle STW is a secondary wastewater treatment plant serving approximately 2,083 people in Corfe Castle, Dorset, England. It discharges treated effluent into the local environment near the Jurassic Coast.
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.
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 Wessex Water. UtilityRadar's records show 1 plant linked to this operator.
Among the indexed plants, REDWICK STW has the highest designed capacity at 12,624 m3/day.