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.
Cuddington STW is a wastewater treatment plant serving approximately 5,700 people in Cuddington, England. It operates under the UK's regulatory framework for small agglomerations.
CROSTON STW serves approximately 22,000 people in Croston, Chorley, Lancashire, England. The plant operates under the UK's urban wastewater regulations, discharging treated effluent into local waterways.
CREWE STW in Worleston, England serves approximately 98,000 people. The plant operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.
Congleton STW serves approximately 37,500 people in Congleton, England. The plant operates under the UK's implementation of the EU Urban Waste Water Treatment Directive, ensuring regulatory compliance for secondary treatment.
COLNE STW is a municipal wastewater treatment plant serving Pendle, England, United Kingdom. It treats wastewater for approximately 27,265 people under the EU Urban Waste Water Treatment Directive.
Cockermouth STW is a municipal wastewater treatment plant serving approximately 11,000 people in Cockermouth, England. It operates under the UK's water quality regulations within the River Derwent catchment.
Clitheroe STW serves approximately 21,265 people in Ribble Valley, Lancashire, England. The plant discharges treated wastewater into the River Ribble catchment, which flows into the Irish Sea.
CLEATOR STW serves Moor Row and Cleator Moor in Cumberland, England, treating wastewater for approximately 12,707 people. The plant operates under the UK's urban wastewater treatment regulations.
CHORLEY STW serves approximately 65,677 people in Chorley, Lancashire, England. The plant operates under the UK's urban wastewater treatment regulations, ensuring compliance with EU-derived standards.
Chapel en le Frith STW serves approximately 8,200 people in High Peak, Derbyshire, England. The plant discharges treated wastewater into the local water environment under UK regulations.
CASTLETON STW serves the Castleton area of Rochdale, Greater Manchester, England, treating wastewater for approximately 5,683 people. The plant operates under UK regulations implementing the EU Urban Waste Water Treatment Directive.
CARNFORTH STW serves Lancaster, England, treating wastewater for approximately 16,045 people. The plant operates under the UK's regulatory framework for wastewater treatment.
Burnley STW is a wastewater treatment plant serving Pendle, Lancashire, England. It treats wastewater for approximately 132,000 people under the UK's regulatory framework.
BRAMPTON STW serves approximately 5,015 people in Brampton, England. The plant discharges treated wastewater into local watercourses within the River Eden catchment.
Bowden STW serves the Cheshire East area of England, treating wastewater for approximately 7,444 people. The plant operates under UK regulations implementing the EU Urban Waste Water Treatment Directive.
Bolton STW is a major wastewater treatment plant serving approximately 369,000 people in Bolton, Greater Manchester, England. It operates under the UK's urban wastewater regulatory framework.
BILLINGTON STW serves the Ribble Valley area in Lancashire, England, treating wastewater for approximately 7,300 residents. The plant discharges into the local water system under UK environmental regulations.
Billinge South STW serves St Helens, England, treating wastewater for approximately 6,295 people. The plant operates under UK regulations, with a designed capacity of 1.00 (units unspecified).
BIDDULPH STW serves approximately 15,815 people in Staffordshire Moorlands, England. The plant operates under the UK's wastewater regulatory framework, discharging treated effluent into local watercourses.
BARTON STW serves approximately 7,400 people in Preston, Lancashire, England. The plant is part of the UK's wastewater infrastructure regulated under the Urban Waste Water Treatment Regulations.
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 United Utilities. UtilityRadar's records show 5 plants linked to this operator.
Among the indexed plants, CUDDINGTON STW has the highest designed capacity at 1 m3/day.