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.
Wotton Under Edge STW serves approximately 5,772 people in Stroud, Gloucestershire, England. The plant operates under UK wastewater regulations and discharges treated effluent into the local water environment.
WOOTTON BASSETT STW serves Royal Wootton Bassett, Wiltshire, England, treating wastewater for approximately 13,250 people. The plant operates under UK regulations, discharging into local watercourses.
WOOL STW serves Bovington, Dorset, England, treating wastewater for approximately 9,456 people. The plant operates under UK regulations, discharging into the local catchment that drains to the English Channel.
WINCANTON STW is a wastewater treatment plant serving Wincanton, Somerset, England. It operates under the UK's regulatory framework for water quality and discharges into the local catchment of the River Cale.
Wimborne STW serves approximately 21,900 people in Wimborne Minster, England. The plant operates under UK regulations and discharges treated effluent into the local water environment.
Westbury STW is a municipal wastewater treatment plant serving approximately 22,703 people in Westbury, Wiltshire, England. It operates under the UK's water quality regulations, discharging into local watercourses.
WELLS STW in Haybridge, Somerset, England, serves approximately 14,608 people as part of the UK's municipal wastewater infrastructure under the Urban Waste Water Treatment Regulations.
WELLINGTON STW serves approximately 14,717 people in Wellington, Somerset, England. The plant operates under the UK's wastewater regulatory framework, discharging treated effluent into local watercourses.
WATCHET STW serves Williton, Somerset, England, treating wastewater for a population of 10,644. The plant operates under UK regulations and discharges into the local water environment.
WARMINSTER STW is a municipal wastewater treatment plant in Warminster, Wiltshire, England, serving approximately 24,926 people. It operates under the UK's regulatory framework for wastewater treatment.
TROWBRIDGE STW serves approximately 67,871 people in Trowbridge, Wiltshire, England. The plant discharges treated wastewater into the local water environment, contributing to the protection of the Bristol Avon catchment.
THORNBURY STW serves Old Passage, England, treating wastewater for approximately 13,343 people. The plant is located near the Severn Bridge and operates under UK wastewater regulations.
THINGLEY STW serves Gastard, England, treating wastewater for approximately 17,556 people. The plant operates under the UK's regulatory framework for wastewater treatment.
TETBURY STW is a municipal wastewater treatment plant serving Tetbury in Cotswold, England. It operates under UK regulations and discharges treated effluent into the local water environment.
Taunton STW serves approximately 82,000 people in Creech St. Michael, Somerset, England. The plant operates under the UK's water quality regulations, discharging treated effluent into local watercourses.
BLANDFORD FORUM STW in Spetisbury, England serves approximately 17,640 people. The plant operates under the UK's wastewater regulatory framework, discharging treated effluent into the local water environment.
SUTTON BENGER STW is a wastewater treatment plant serving Christian Malford, Wiltshire, England. It treats wastewater for approximately 5,000 people under UK environmental regulations.
STURMINSTER NEWTON STW serves approximately 5,527 people in Sturminster Newton, Dorset, England. The plant operates under UK wastewater regulations, treating municipal sewage before discharge into local watercourses.
South Petherton STW serves the Somerset town of South Petherton, England, with a designed capacity of 1.00 and a population of 5,269. The plant operates under UK wastewater regulations.
SOMERTON STW is a wastewater treatment plant serving Somerton, Somerset, England. It treats wastewater for approximately 6,837 people under the UK regulatory framework.
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, WOTTON UNDER EDGE STW has the highest designed capacity at 1 m3/day.