1,887 plants indexed. Showing 320 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.
Falmouth STW serves approximately 42,867 people in Black Rock, England. The plant discharges treated wastewater into the local water environment, operating under UK regulations derived from the EU Urban Waste Water Treatment Directive.
EXMOUTH STW serves approximately 52,000 people in East Devon, England, discharging treated wastewater into the English Channel via a coastal outfall.
EXETER STW serves approximately 153,000 people in Exeter, England, as part of the region's municipal wastewater infrastructure. The plant operates under the EU Urban Waste Water Treatment Directive.
Ernesettle and Saltash STW serves approximately 58,400 people in Plymouth, England. The plant operates under the UK's urban wastewater treatment regulations, discharging treated effluent into the local water environment.
DAWLISH STW serves approximately 21,281 people in Teignbridge, England, discharging treated wastewater into the local environment near the Dawlish Warren area.
DARTMOUTH STW serves South Hams, England, treating wastewater from a population of approximately 10,504. The plant operates under UK regulations and discharges into the Dart Estuary, a sensitive coastal environment.
Bideford Northam STW in Torridge, England, serves approximately 43,000 people. The plant operates under the UK's wastewater regulatory framework, discharging treated effluent into the local catchment.
Camborne & Redruth STW serves 58,579 people in Cornwall, England. The plant operates under the UK's implementation of the EU Urban Waste Water Treatment Directive, ensuring secondary treatment for this large agglomeration.
BUDE STW is a wastewater treatment plant serving Flexbury, Cornwall, England. It handles a population equivalent of approximately 18,472 and operates under UK regulations.
Barnstaple STW serves approximately 47,935 people in North Devon, England. The plant discharges treated wastewater into the local catchment, ultimately reaching the Bristol Channel.
Northfleet STW serves approximately 52,000 people in Gravesham, England, as part of the UK's wastewater infrastructure. The plant operates under the Urban Waste Water Treatment Regulations, which implement the EU Urban Waste Water Treatment Directive
Gravesend STW serves Gravesham, Kent, England, treating wastewater for approximately 59,313 people. The plant operates under the UK's implementation of the EU Urban Waste Water Treatment Directive.
RYE STW is a municipal wastewater treatment plant serving Rother, England, United Kingdom. It treats wastewater from approximately 5,619 people and is located near the coast in East Sussex.
EASTCHURCH STW serves the Swale area of Kent, England, treating wastewater for approximately 8,068 people. The plant is located near the coast and discharges into the local watershed.
SIDLESHAM STW is a wastewater treatment plant serving approximately 28,099 people in Sidlesham, near Chichester, England. It operates under the UK's regulatory framework for wastewater treatment.
THORNHAM STW is a municipal wastewater treatment plant serving Chichester, West Sussex, England. It treats wastewater for a population of 20,326 under the UK's regulatory framework.
Chichester STW serves approximately 34,700 people in Chichester, West Sussex, England. The plant discharges treated wastewater into the local water environment, contributing to the protection of the nearby Chichester Harbour and Solent ecosystem.
LIDSEY STW is a wastewater treatment plant serving 27,750 people in Arun, West Sussex, England. It operates under the UK's regulatory framework for wastewater treatment.
PAGHAM STW serves Chichester, England, treating wastewater for approximately 8,209 people. The plant operates under UK regulations and discharges into the local environment near the coast.
Eastbourne STW is a wastewater treatment plant serving approximately 116,000 people in Eastbourne, England. It operates under the UK's implementation of the EU Urban Waste Water Treatment Directive.
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 Southern Water. UtilityRadar's records show 4 plants linked to this operator.
Among the indexed plants, FALMOUTH STW has the highest designed capacity at 1 m3/day.