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.
Crediton STW is a municipal wastewater treatment plant serving approximately 14,200 people in Mid Devon, England. It operates under the UK's regulatory framework for wastewater treatment.
CALLINGTON STW in Newbridge, Cornwall, England serves approximately 9,500 people. The plant operates under the UK's wastewater regulatory framework, discharging into local watercourses within the Tamar catchment.
Buckfastleigh STW serves the Teignbridge area in Devon, England, treating wastewater for approximately 7,976 people. The plant operates under UK regulations, with a designed capacity of 1.00 volume units.
Bodmin Scarletts Well STW serves the Egloshayle area in Cornwall, England, treating wastewater for approximately 9,300 people. The plant discharges into the local water environment under UK regulations.
Bodmin Nanstallon STW serves approximately 11,000 people in Egloshayle, Cornwall, England. The plant discharges treated wastewater into the local river system, contributing to the protection of the River Camel catchment.
AXMINSTER STW serves approximately 7,964 people in East Devon, England, treating wastewater under the UK's regulatory framework. The plant discharges into local waterways, contributing to the region's water quality management.
COXHEATH STW is a wastewater treatment plant serving approximately 7,636 people in Maidstone, Kent, England. It operates under the UK's regulatory framework for wastewater treatment.
IVY DOWN LANE EAST OAKLEY is a wastewater treatment plant serving approximately 4,640 people in Basingstoke and Deane, Hampshire, England. It operates under UK regulations implementing the EU Urban Waste Water Treatment Directive.
ALRESFORD STW serves the Winchester area in Hampshire, England, treating wastewater for approximately 5,633 people. The plant operates under the UK's regulatory framework for wastewater treatment.
WHITCHURCH STW serves the town of Whitchurch in Hampshire, England, treating wastewater for a population of approximately 4,806. The plant operates under UK environmental regulations and discharges treated effluent into local watercourses.
Bishops Waltham New STW serves approximately 13,752 people in Winchester, England. The plant operates under UK wastewater regulations and discharges into the local water environment.
Billingshurst STW serves approximately 7,600 people in West Sussex, England. The plant discharges treated wastewater into the local water environment, contributing to the protection of the River Arun catchment.
Bursledon STW serves 7,270 people in Eastleigh, Hampshire, England. The plant discharges into the River Hamble estuary, a tidal waterway flowing into Southampton Water and the Solent.
LISS STW serves East Hampshire, England, treating wastewater for approximately 6,067 people. The plant operates under the UK's regulatory framework for wastewater treatment.
Steyning STW is a municipal wastewater treatment plant in West Sussex, England, serving approximately 10,183 people. It operates under the UK's regulatory framework for wastewater treatment.
South Ambersham STW serves Chichester, England, treating wastewater for approximately 13,564 people. The plant operates under the UK's implementation of the EU Urban Waste Water Treatment Directive.
Ringmer STW serves the village of Ringmer near Lewes, East Sussex, England. The plant treats wastewater for a population of approximately 5,111 and discharges into the local water environment.
Henfield STW is a wastewater treatment plant serving approximately 5,379 people in Horsham, West Sussex, England. It operates under UK regulations and discharges treated effluent into local watercourses.
ASHINGTON LONDON ROAD STW serves Horsham, England, treating wastewater for approximately 4,663 people. The plant operates under UK regulations, discharging into the local water environment.
Storrington STW serves approximately 7,800 people in West Sussex, England. The plant discharges treated wastewater into the local water environment, contributing to the protection of the River Arun 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 Southern Water. UtilityRadar's records show 3 plants linked to this operator.
Among the indexed plants, CREDITON STW has the highest designed capacity at 1 m3/day.