Wastewater plants in United Kingdom

1,887 plants indexed. Showing 369 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.

Plant directory coverage

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.

Treatment levels

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.

Largest plant

The largest plant indexed for United Kingdom is ROTHERWAS STW FIR TREE LANE HFD STW, with a designed capacity of 76,862 m³/day.

About our data

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.

369 plants matching filters

Ferryhill CHILTON LANE STW

Chilton Lane, England

Ferryhill Chilton Lane STW is a secondary treatment plant in County Durham, England, serving 3,450 people. It discharges 768.09 cubic meters of treated wastewater daily.

Secondary 3,450 Low

CARLTON and REDMARSHALL STW

Redmarshall, England

CARLTON and REDMARSHALL STW is a secondary treatment plant in Redmarshall, England, serving a population of 2,294. It discharges 510.72 m³/day of treated wastewater into the local water system.

Secondary 2,294 Low

BEAR PARK STW

Durham, England

Bear Park STW is a secondary treatment plant serving Bearpark and Durham, England. It discharges approximately 450 m³/day of treated wastewater into the local water environment.

Secondary 2,022 Low

SCOTTER STW

West Lindsey, England

SCOTTER STW is a secondary wastewater treatment plant in West Lindsey, Lincolnshire, England, serving approximately 3,400 people. It discharges treated effluent into local watercourses within the Trent catchment.

Secondary 3,411 Low

PREES HIGHER HEATH STW

Prees Higher Heath, England

Prees Higher Heath STW is a secondary treatment plant in Shropshire, England, serving approximately 2,300 people. It discharges 513.62 cubic meters of treated wastewater daily, operating under UK environmental regulations.

Secondary 2,307 Low

LONGHOPE STW

Forest of Dean, England

LONGHOPE STW is a secondary wastewater treatment plant serving 3,766 people in Forest of Dean, Gloucestershire, England. It discharges 838.44 m³/day and has a designed capacity of 4,000 m³/day.

Secondary 3,766 Low

COLWALL STW

Colwall Stone, England

COLWALL STW is a secondary wastewater treatment plant in Colwall Stone, England, serving approximately 2,254 people. It discharges treated effluent into the local watercourse, supporting the River Severn catchment.

Secondary 2,254 Low

WALKERINGHAM STW

West Lindsey, England

WALKERINGHAM STW is a secondary wastewater treatment plant in West Lindsey, England, serving approximately 4,428 people. It discharges treated effluent into local watercourses under UK environmental regulations.

Secondary 4,428 Low

UPTON ON SEVERN STW

Malvern Hills, England

Upton on Severn STW is a secondary treatment plant serving 2,854 people in Malvern Hills, England. It discharges treated wastewater into the River Severn catchment, supporting local water quality.

Secondary 2,854 Low

STAUNTON PITTS MILL STW

Forest of Dean, England

Staunton Pitts Mill STW is a secondary treatment plant serving 2,950 people in Forest of Dean, Gloucestershire, England. It discharges treated wastewater into local watercourses within the Severn River basin.

Secondary 2,950 Low

KIRTON IN LINDSEY STW

Kirton in Lindsey, England

Kirton in Lindsey STW is a secondary wastewater treatment plant in North Lincolnshire, England, serving approximately 3,093 people. It discharges treated effluent into local watercourses, supporting the region's water quality.

Secondary 3,093 Low

ELLESMERE WHARF MEADOW STW

Ellesmere, England

ELLESMERE WHARF MEADOW STW is a secondary wastewater treatment plant in Ellesmere, England, serving approximately 3,890 people. It discharges treated effluent into local watercourses within the Dee River basin.

Secondary 3,890 Low

COWBIT STW

South Holland, England

COWBIT STW is a secondary wastewater treatment plant in South Holland, England, serving a population of 2,244. It discharges 499.59 m³/day of treated effluent, with a designed capacity of 3,300 m³/day.

Secondary 2,244 Low

RENDLESHAM PARK STW F_E

East Suffolk, England

Rendlesham Park STW F_E is a secondary treatment plant in East Suffolk, England, serving a population of 2,298. It discharges 511.61 m³/day of treated wastewater into local watercourses.

Secondary 2,298 Low

LAVENHAM STW F_E

Babergh, England

LAVENHAM STW F_E is a secondary treatment plant in Babergh, Suffolk, England, serving 2,125 people. It discharges 473.10 m³/day of treated wastewater into the local water environment.

Secondary 2,125 Low

WORLINGHAM STW

East Suffolk, England

Worlingham STW is a secondary treatment plant serving approximately 3,062 people in East Suffolk, England. It discharges treated wastewater into local watercourses, contributing to the region's water quality management.

Secondary 3,062 Low

WITCHFORD STW

East Cambridgeshire, England

Witchford STW is a secondary treatment plant serving 2,092 people in East Cambridgeshire, England. It discharges 465.75 cubic meters of treated wastewater daily.

Secondary 2,092 Low

WICKHAM MARKET STW

East Suffolk, England

Wickham Market STW is a secondary treatment plant serving 2,422 people in East Suffolk, England. It discharges 539.22 m³/day of treated wastewater into local watercourses.

Secondary 2,422 Low

WEYBREAD STW

Mid Suffolk, England

WEYBREAD STW is a secondary treatment plant serving 2,200 people in Mid Suffolk, England. It discharges 489.80 cubic meters of treated wastewater daily, with a designed capacity of 2,615 cubic meters.

Secondary 2,200 Low

WETHERSFIELD STW

Braintree, England

WETHERSFIELD STW is a secondary treatment plant serving 2,570 people in Braintree, Essex, England. It discharges 572.17 m³/day of treated wastewater, with a designed capacity of 3,076 m³/day.

Secondary 2,570 Low

Frequently asked

How many wastewater treatment plants are in United Kingdom?

UtilityRadar indexes 1887 wastewater treatment plants in United Kingdom, with treatment level, capacity, operator and discharge data on each record.

What is the largest wastewater treatment plant in United Kingdom?

Among the indexed plants, ELLESMERE WHARF MEADOW STW has the highest designed capacity at 6,091 m3/day.

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