1,887 plants indexed. Showing 1,405 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.
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.
Old Buckenham STW is a secondary treatment plant in Breckland, Norfolk, England, serving approximately 2,319 people. It discharges treated wastewater into local watercourses within the Norfolk river basin.
ODELL STW is a secondary treatment plant in Felmersham, England, serving approximately 3,689 people. It discharges 821.30 cubic meters of treated wastewater daily, with a designed capacity of 4,950 cubic meters.
NEWPORT STW is a secondary treatment plant in Uttlesford, England, serving approximately 2,834 people. It discharges 630.95 cubic meters of treated wastewater daily, with a designed capacity of 3,127 cubic meters.
NEEDINGWORTH STW is a secondary wastewater treatment plant in Needingworth, Huntingdonshire, England, serving a population of 2,184. It discharges treated effluent into local watercourses within the Great Ouse catchment.
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.
NAVENBY STW is a secondary treatment plant in Navenby, North Kesteven, England, serving approximately 2,967 people. It discharges treated wastewater into local watercourses within the Lincolnshire landscape.
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.
Metheringham STW is a secondary treatment plant in North Kesteven, England, serving a population of 4,225. It discharges treated wastewater into local watercourses, supporting the region's water quality.
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.
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.
Long Bennington STW is a secondary treatment plant in South Kesteven, England, serving approximately 2,500 people. It discharges 556 m³/day of treated wastewater into local watercourses.
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.
KIMBOLTON STW is a secondary treatment plant in Huntingdonshire, England, serving approximately 3,710 people. It discharges treated wastewater into local watercourses, supporting the region's water quality.
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.
Ivinghoe STW is a secondary wastewater treatment plant serving approximately 3,710 people in Pitstone, Buckinghamshire, England. It discharges treated effluent into local watercourses within the Thames River basin.
ISLEHAM STW is a secondary treatment plant serving West Suffolk, England, with a population equivalent of 2,173. It discharges treated wastewater into local waterways, supporting the region's environmental health.
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.
HEMPNALL STW is a secondary treatment plant serving 2,349 people in South Norfolk, England. It discharges treated wastewater into local watercourses, contributing to the region's water quality management.
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.