1,887 plants indexed. Showing 151 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.
North Petherton STW is a secondary treatment plant serving 3,413 people in Somerset, England. It discharges 759.85 m³/day of treated wastewater and is located within 10 km of the coast.
Nether Stowey STW is a secondary treatment plant in Fiddington, Somerset, England, serving about 2,928 people. It discharges treated wastewater near the coast, with a designed capacity of 4,116 m³/day.
Michaelwood STW is a secondary wastewater treatment plant serving 2,882 people in Stroud, Gloucestershire, England. It discharges treated effluent into the local water environment near the River Severn estuary.
Corfe Castle STW is a secondary wastewater treatment plant serving approximately 2,083 people in Corfe Castle, Dorset, England. It discharges treated effluent into the local environment near the Jurassic Coast.
Charmouth STW is a secondary treatment plant serving 3,621 people in Charmouth, Dorset, England. It discharges 806.16 m³/day of treated wastewater near the Jurassic Coast.
CHARFIELD STW is a secondary wastewater treatment plant in Charfield, England, serving approximately 3,863 people. It discharges 860.04 cubic meters of treated effluent daily and is located near the coast.
ALVESTON STW is a secondary treatment plant in Rudgeway, England, serving 2,205 people. It discharges 490.91 m³/day and is located near the Severn Estuary.
Almondsbury STW is a secondary wastewater treatment plant in Tockington, England, serving a population of 2,649. It discharges 589.76 cubic meters of treated effluent daily and is located near the coast.
Woodbury STW is a secondary wastewater treatment plant in East Devon, England, serving 2,432 people. It discharges 541.45 m³/day and is located within 10 km of the coast.
ST DENNIS STW is a secondary wastewater treatment plant serving 2,551 people in Indian Queens, Cornwall, England. It discharges 567.94 cubic meters per day and is located within 10 km of the coast.
ST CLEER STW is a secondary treatment plant in St Cleer, Cornwall, England, serving approximately 2,595 people. It discharges 577.74 m³/day of treated wastewater within 10 km of the coast.
PORTHTOWAN STW is a secondary wastewater treatment plant serving Mount Hawke, Cornwall, England. It discharges treated effluent near the coast, with a design capacity of 2778 cubic meters per day.
PONSANOOTH STW is a secondary treatment plant in Ponsanooth, Cornwall, England, serving approximately 2,879 people. It discharges 640.97 m³/day of treated wastewater and is located within 10 km of the coast.
OTTERY ST MARY STW is a secondary wastewater treatment plant in East Devon, England, serving a population of 2,294. It discharges 510.72 m³/day of treated effluent and is located within 10 km of the coast.
MILLBROOK STW is a secondary treatment plant serving 3,619 people in Millbrook, Cornwall, England. It discharges 805.72 m³/day of treated wastewater near the coast.
Lostwithiel STW is a secondary treatment plant serving 3,133 people in Cornwall, England. It discharges 697.51 m³/day of treated effluent near the coast, with a designed capacity of 3,413 m³/day.
Ladock Valley STW is a secondary treatment plant in Tresillian, Cornwall, England, serving 4,330 people. It discharges 964 m³/day of treated wastewater near the coast.
Kenton and Starcross STW is a secondary treatment plant in Teignbridge, England, serving approximately 2,988 people. It discharges 665.23 cubic meters of treated wastewater daily, with a designed capacity of 3,936 cubic meters.
Horrabridge STW is a secondary treatment plant in West Devon, England, serving about 3,000 people. It discharges treated wastewater near the coast, operating under UK regulations.
GUNNISLAKE STW is a secondary wastewater treatment plant in West Devon, England, serving 2,209 people. It discharges 491.80 m³/day and is located within 10 km of the coast.
UtilityRadar indexes 1887 wastewater treatment plants in United Kingdom, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, CHARFIELD STW has the highest designed capacity at 7,351 m3/day.