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.
CHARD STW is a wastewater treatment plant serving approximately 31,889 people in Chard, Somerset, England. It operates under the UK's regulatory framework for wastewater treatment.
Cam Valley STW is a wastewater treatment works in Dunkerton, England, serving a population of approximately 7,353. It operates under UK regulations and discharges treated effluent into the local water environment.
CALNE STW serves Studley, Wiltshire, England, treating wastewater for approximately 19,132 people. The plant discharges into local waterways within the Thames River basin.
BRADFORD ON AVON STW serves approximately 10,700 people in Bradford-on-Avon, England. The plant discharges treated wastewater into the local water environment, contributing to the protection of the Bristol Avon catchment.
BLACKHEATH STW serves Wareham, Dorset, England, treating wastewater for approximately 6,300 people. The plant operates under UK regulations aligned with the EU Urban Waste Water Treatment Directive.
BATH STW serves Swineford, England, treating wastewater for approximately 105,848 people. The plant operates under the UK's implementation of the EU Urban Waste Water Treatment Directive.
AMESBURY STW serves the town of Amesbury, Wiltshire, England, treating wastewater for approximately 9,340 people. The plant discharges into the River Avon, a chalk stream of high ecological importance.
Tidworth Garrison STW FE serves approximately 12,850 people in Tidworth, Wiltshire, England. The plant is part of the UK's wastewater infrastructure, operating under the Urban Waste Water Treatment Regulations.
WADEBRIDGE STW serves the Bodieve area in Cornwall, England, treating wastewater for approximately 7,365 people. The plant operates under UK regulations and discharges into the local water environment.
TOTNES STW serves approximately 10,068 people in South Hams, Devon, England. The plant is located near the River Dart and operates under the UK's wastewater regulatory framework.
TIVERTON STW serves approximately 24,284 people in Mid Devon, England. The plant discharges treated wastewater into the local water environment, contributing to the region's water quality management.
TAVISTOCK STW serves approximately 13,243 people in West Devon, England, as part of the UK's municipal wastewater infrastructure. The plant operates under UK regulations transposing the EU Urban Waste Water Treatment Directive.
ST COLUMB STW serves St. Columb Major in Cornwall, England, treating wastewater for approximately 11,720 people. The plant is located within 50 km of the coast and operates under UK wastewater regulations.
South Molton STW serves the town of South Molton in North Devon, England, treating wastewater for a population of approximately 5,391. The plant discharges into local waterways within the Devon and Torbay catchment.
PORTHILLY STW serves Rock, Cornwall, England, treating wastewater for approximately 7,371 people. The plant is located near the coast and operates under UK wastewater regulations.
OKEHAMPTON STW serves approximately 8,340 people in West Devon, England. The plant discharges treated wastewater into the local water environment under UK regulations.
NORTH FAL STW serves St. Stephen-in-Brannel, Cornwall, England, treating wastewater for approximately 8,275 people. The plant discharges into the local water environment within 50 km of the coast.
MALBOROUGH STW serves the South Hams area of Devon, England, treating wastewater for approximately 5,500 people. The plant is located near the coast and discharges into the local watershed.
Liskeard STW is a municipal wastewater treatment plant serving approximately 12,657 people in Liskeard, Cornwall, England. It operates under UK environmental regulations within the River Tamar catchment.
Launceston STW serves approximately 16,553 people in Launceston, Cornwall, England. The plant operates under the UK's water quality regulations, discharging treated effluent into local watercourses.
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, CHARD STW has the highest designed capacity at 1 m3/day.