1,887 plants indexed. Showing 1,379 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.
Broadwell Broadwell Oxon STW is a secondary wastewater treatment plant serving approximately 3,900 people in Cotswold, Gloucestershire, England. It discharges 868.28 m³/day of treated effluent into the local water environment.
BENTLEY STW is a secondary treatment plant serving 2,530 people in East Hampshire, England. It discharges treated wastewater into local waterways, supporting the region's environmental health.
AMPNEY ST PETER AMPNEY ST PETE STW is a secondary wastewater treatment plant serving the Cotswold area in Gloucestershire, England. It treats wastewater for approximately 2,220 people and discharges treated effluent into local watercourses.
SEEND STW is a secondary treatment plant in Seend, Wiltshire, England, serving a population of 1,964. It discharges 437.25 cubic meters of treated wastewater daily.
COLEFORD STW is a secondary treatment plant in Coleford, Somerset, England, serving a population of 1,989. It discharges 442.82 cubic meters of treated wastewater daily, with a designed capacity of 3,087 cubic meters.
Great Wishford STW is a secondary treatment plant serving approximately 2,053 people in Wilton, Wiltshire, England. It discharges treated wastewater into the local catchment, contributing to the protection of the River Wylye and the wider Hampshire A
SHREWTON STW is a secondary treatment plant serving 1,746 people in Shrewton, Wiltshire, England. It discharges treated wastewater into the local water environment.
COLERNE STW is a secondary wastewater treatment plant in Colerne, Wiltshire, England, serving approximately 2,586 people. It discharges treated effluent into local watercourses, supporting the region's water quality.
WIVELISCOMBE HILLSMOOR STW is a secondary treatment plant in Wiveliscombe, Somerset, England, serving about 3,191 people. It discharges 710.43 m³/day of treated wastewater into local watercourses.
TISBURY STW is a secondary treatment plant in Tisbury, Wiltshire, England, serving approximately 4,310 people. It discharges 959.56 m³/day of treated wastewater and has a designed capacity of 6,250 m³/day.
THORNFORD STW is a secondary treatment plant serving Beer Hackett, Dorset, England. It discharges 927.50 m³/day of treated wastewater, operating under UK regulations.
SHILLINGSTONE STW is a secondary wastewater treatment plant in Shillingstone, Dorset, England, serving approximately 2,663 people. It discharges treated effluent into local watercourses within the Stour catchment.
ROWDE STW is a secondary treatment plant serving Rowde, Wiltshire, England. It discharges treated wastewater into local watercourses, supporting the region's water quality.
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.
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.
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.
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.
UtilityRadar indexes 1887 wastewater treatment plants in United Kingdom, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, MERE STW has the highest designed capacity at 8,207 m3/day.