1,887 plants indexed. Showing 946 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.
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.
SHERBORNE STW serves Castleton, England, treating wastewater for approximately 10,616 people. The plant operates under the UK's regulatory framework for wastewater treatment.
Shepton Mallet STW serves approximately 52,000 people in Somerset, England. The plant operates under UK wastewater regulations, discharging treated effluent into local watercourses.
Sharpness STW is a wastewater treatment plant serving approximately 5,000 people in Stroud, Gloucestershire, England. It operates under the UK's regulatory framework for water quality.
SHAFTESBURY STW serves approximately 18,455 people in Shaftesbury, Dorset, England. The plant operates under UK wastewater regulations, treating municipal sewage before discharge into local watercourses.
Salisbury STW in Alderbury, England, serves approximately 59,105 people. The plant operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.
RINGWOOD STW serves St Ives, Dorset, England, treating wastewater for approximately 16,500 people. The plant operates under UK regulations aligned with the EU Urban Waste Water Treatment Directive.
RATFYN STW serves Amesbury, Wiltshire, England, treating wastewater for approximately 10,282 people. The plant operates under UK regulations aligned with the EU Urban Waste Water Treatment Directive.
Radstock & Midsomer Norton STW serves 21,742 people in Radstock, England. The plant operates under UK regulations implementing the EU Urban Waste Water Treatment Directive.
POTTERNE STW serves the Devizes area in Wiltshire, England, treating wastewater for approximately 11,365 people. The plant discharges into local watercourses within the Avon catchment.
PEWSEY STW is a wastewater treatment plant serving approximately 7,200 people in Pewsey, Wiltshire, England. It operates under the UK's urban wastewater regulations, which mandate secondary treatment for inland agglomerations of this size.
PAULTON STW serves approximately 10,000 people in Paulton, England. The plant operates under the UK's wastewater regulatory framework, discharging treated effluent into local watercourses.
Ferndown, Verwood, West Moors, and St Ives STW serves approximately 40,798 people in Hurn, England. The plant operates under the UK's wastewater regulatory framework, discharging treated effluent into local watercourses.
Melksham STW serves approximately 18,700 people in Melksham, Wiltshire, England. The plant discharges treated wastewater into the local river system, contributing to the Bristol Avon catchment.
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 South West Water. UtilityRadar's records show 1 plant linked to this operator.
Among the indexed plants, TETBURY STW has the highest designed capacity at 1 m3/day.