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.
TENTERDEN STW serves the town of Tenterden in Kent, England, treating wastewater for approximately 8,866 residents. The plant discharges into local watercourses within the Rother catchment.
Lingfield STW is a wastewater treatment plant serving Tandridge, Surrey, England. It treats wastewater from approximately 11,616 people under the UK regulatory framework.
OXTED STW serves approximately 13,895 people in Oxted, Surrey, England. The plant operates under the UK's wastewater regulatory framework, discharging treated effluent into local watercourses.
Redgate Mill STW serves Wealden, England, treating wastewater for approximately 21,344 people. The plant operates under UK regulations aligned with the EU Urban Waste Water Treatment Directive.
HERNE BAY STW in Canterbury, England serves approximately 41,204 people. It operates under the UK's wastewater regulations, discharging treated effluent into local watercourses.
Tunbridge Wells South STW serves approximately 30,000 people in Wealden, East Sussex, England. The plant discharges treated wastewater into local watercourses within the Medway catchment.
TONBRIDGE STW serves approximately 47,712 people in Tonbridge and Malling, Kent, England. The plant operates under the UK's wastewater regulatory framework, treating sewage before discharge into local watercourses.
Winchester N Kingsworthy Harestock STW serves approximately 15,667 people in Winchester, England. The plant operates under the UK's implementation of the EU Urban Waste Water Treatment Directive.
ROMSEY STW serves approximately 20,000 people in Test Valley, England. The plant operates under UK regulations implementing the EU Urban Waste Water Treatment Directive.
ANDOVER STW is a wastewater treatment plant serving Test Valley, England, United Kingdom. It treats wastewater for approximately 63,351 people and has a designed capacity of 1.00.
Winchester Central and South Morestead STW serves approximately 44,485 people in Winchester, England. The plant operates under the UK's wastewater regulatory framework, treating sewage from the local area.
SALFORD STW is a wastewater treatment plant serving approximately 101,668 people in Salford, Greater Manchester, England. It operates under the UK's implementation of the EU Urban Waste Water Treatment Directive.
WORSLEY STW in Salford, England serves approximately 22,500 people. The plant operates under the UK's wastewater regulatory framework, discharging treated effluent into local watercourses.
WINSFORD STW serves approximately 33,773 people in Winsford, England. The plant operates under the UK's wastewater regulatory framework, discharging treated effluent into local watercourses.
Windermere STW in Cartmel Fell, England, serves approximately 10,154 people. The plant operates under the UK's wastewater regulatory framework, discharging into the Lake District watershed.
Wilmslow STW serves the community of Styal, England, treating wastewater for approximately 23,377 people. The plant operates under UK environmental regulations.
WIGTON STW serves Micklethwaite, England, treating wastewater for approximately 8,753 people. The plant operates under UK regulations and discharges into the local water environment.
Whalley STW is a municipal wastewater treatment plant serving approximately 5,076 people in Ribble Valley, Lancashire, England. It operates under UK regulations implementing the EU Urban Waste Water Treatment Directive.
WHALEY BRIDGE STW serves approximately 39,000 people in High Peak, Derbyshire, England. The plant operates under the UK's wastewater regulatory framework, treating sewage from the local community before discharge.
Westhoughton STW is a municipal wastewater treatment plant serving approximately 28,906 people in Westhoughton, Greater Manchester, England. It 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 Southern Water. UtilityRadar's records show 2 plants linked to this operator.
Among the indexed plants, TENTERDEN STW has the highest designed capacity at 1 m3/day.