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.
Hesketh Bank STW is a municipal wastewater treatment plant serving South Ribble, Lancashire, England. It treats wastewater from approximately 5,470 people under UK environmental regulations.
HELSBY STW is a municipal wastewater treatment plant serving Frodsham, England, United Kingdom. It operates under the UK's implementation of the EU Urban Waste Water Treatment Directive.
Hazel Grove STW is a municipal wastewater treatment plant in Hazel Grove, Greater Manchester, England, serving approximately 48,000 people. It operates under the UK's regulatory framework for wastewater treatment.
Glossop STW serves the High Peak area of Derbyshire, England, treating wastewater for approximately 36,000 people. The plant operates under UK regulations aligned with the EU Urban Waste Water Treatment Directive.
Glazebury STW is a wastewater treatment plant serving Fowley Common and surrounding areas in Warrington, England. It operates under the UK's regulatory framework for wastewater treatment.
Garstang STW is a municipal wastewater treatment plant serving approximately 14,500 people in Wyre, Lancashire, England. It operates under UK regulations implementing the EU Urban Waste Water Treatment Directive.
FAILSWORTH STW is a municipal wastewater treatment plant serving approximately 21,703 people in Failsworth, Greater Manchester, England. It operates under the UK's regulatory framework for wastewater treatment.
ECCLES STW serves Salford, England, treating wastewater for approximately 114,793 people. The plant operates under the UK's urban wastewater regulations, ensuring compliance with environmental standards.
Dunham Massey STW serves approximately 6,900 people in Trafford, England. The plant operates under UK wastewater regulations, discharging treated effluent into local waterways.
Darwen STW is a municipal wastewater treatment plant serving approximately 32,000 people in Darwen, Lancashire, England. It operates under the UK's regulatory framework for wastewater treatment.
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.
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 2 plants linked to this operator.
Among the indexed plants, HESKETH BANK STW has the highest designed capacity at 1 m3/day.