1,887 plants indexed. Showing 772 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.
Southminster STW is a secondary wastewater treatment plant serving 3,620 people in Maldon, Essex, England. It discharges 805.94 cubic meters per day and is located within 10 km of the coast.
Skellingthorpe STW is a secondary wastewater treatment plant in North Kesteven, England, serving a population of 4,484. It discharges treated effluent into local watercourses under UK environmental regulations.
SAXLINGHAM STW is a secondary treatment plant serving 2,226 people in South Norfolk, England. It discharges 495.59 m³/day of treated wastewater into local watercourses.
SAXILBY STW is a secondary wastewater treatment plant in West Lindsey, England, serving approximately 4,019 people. It has a designed capacity of 4,036 m³/day and discharges 894.77 m³/day of treated effluent.
Reepham STW is a secondary treatment plant serving approximately 4,200 people in Broadland, Norfolk, England. It discharges treated wastewater into the local water environment under UK regulations.
RAYNE STW is a secondary treatment plant serving 2,768 people in Rayne, Braintree, Essex, England. It discharges treated wastewater into local watercourses within the Blackwater catchment.
OLD LEAKE SKIPMARSH LANE STW is a secondary treatment plant in Boston, England, serving approximately 2,597 people. It discharges 578.18 cubic meters of treated wastewater daily.
NECTON STW is a secondary wastewater treatment plant in Breckland, Norfolk, England, serving approximately 3,112 people. It discharges treated effluent into local watercourses within the Anglian River Basin District.
NAYLAND STW is a secondary wastewater treatment plant in Babergh, Suffolk, England, serving approximately 3,047 people. It discharges treated effluent into local waterways, supporting the Stour River catchment.
MOULTON STW is a secondary treatment plant in South Holland, England, serving approximately 4,000 people. It discharges treated wastewater into local waterways, supporting the region's environmental health.
MATTISHALL STW is a secondary treatment plant serving 3,220 people in Breckland, Norfolk, England. It discharges 716.88 cubic meters of treated wastewater daily, operating under the UK's implementation of the EU Urban Waste Water Treatment Directive.
MANBY STW is a secondary wastewater treatment plant in East Lindsey, England, serving a population of 2,113. It discharges treated effluent near the Lincolnshire coast, contributing to local water quality management.
LUDHAM STW is a secondary treatment plant serving approximately 3,485 people in North Norfolk, England. It discharges treated wastewater into the local water environment, operating under UK regulations.
Little Downham STW is a secondary treatment plant serving 2,103 people in East Cambridgeshire, England. It discharges 468.20 cubic meters of treated wastewater daily.
Latchingdon STW is a secondary treatment plant serving 2,468 people in Maldon, Essex, England. It discharges 549.46 m³/day of treated wastewater with a designed capacity of 3,520 m³/day.
Laceby STW is a secondary treatment plant serving 3,202 people in Laceby, England. It discharges 712.88 m³/day of treated wastewater, with a designed capacity of 4,672 m³/day.
KEELBY STW is a secondary wastewater treatment plant in West Lindsey, Lincolnshire, England, serving approximately 2,097 people. It discharges treated effluent near the Humber Estuary, supporting local water quality standards.
KEDINGTON STW is a secondary wastewater treatment plant in West Suffolk, England, serving approximately 2,042 people. It discharges treated effluent into local watercourses, supporting the region's water quality management.
HORBLING STW is a secondary treatment plant in South Kesteven, England, serving approximately 2,936 people. It discharges 653.66 cubic meters of treated wastewater daily, with a designed capacity of 5,600 cubic meters.
Holton le Clay STW is a secondary treatment plant in East Lindsey, England, serving 3,440 people. It discharges 765.86 m³/day of treated wastewater and has a designed capacity of 4,950 m³/day.
UtilityRadar indexes 1887 wastewater treatment plants in United Kingdom, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, LUDHAM STW has the highest designed capacity at 7,775 m3/day.