1,887 plants indexed. Showing 1,267 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.
OKEHAMPTON STW serves approximately 8,340 people in West Devon, England. The plant discharges treated wastewater into the local water environment under UK regulations.
NORTH FAL STW serves St. Stephen-in-Brannel, Cornwall, England, treating wastewater for approximately 8,275 people. The plant discharges into the local water environment within 50 km of the coast.
Newton Abbot & Teignmouth STW serves 81,645 people in Teignbridge, England, treating wastewater under the EU Urban Waste Water Treatment Directive. The plant discharges into the local water environment, supporting the region's aquatic ecosystems.
NEWQUAY STW is a municipal wastewater treatment plant serving approximately 50,000 people in Newquay, Cornwall, England. It operates under the UK's implementation of the EU Urban Waste Water Treatment Directive.
MALBOROUGH STW serves the South Hams area of Devon, England, treating wastewater for approximately 5,500 people. The plant is located near the coast and discharges into the local watershed.
LOOE STW is a wastewater treatment plant serving approximately 7,927 people in Looe, Cornwall, England. It discharges treated effluent into the local water environment, contributing to the protection of the Looe River and the nearby coast.
Liskeard STW is a municipal wastewater treatment plant serving approximately 12,657 people in Liskeard, Cornwall, England. It operates under UK environmental regulations within the River Tamar catchment.
Launceston STW serves approximately 16,553 people in Launceston, Cornwall, England. The plant operates under the UK's water quality regulations, discharging treated effluent into local watercourses.
LANNER ST DAY STW serves approximately 5,066 people in Frogpool, Cornwall, England. The plant is located near the coast and operates under UK wastewater regulations.
Kingsbridge STW serves the South Hams area of Devon, England, treating wastewater for approximately 7,282 people. The plant discharges into the Kingsbridge Estuary, a tidal inlet on the English Channel coast.
Ivybridge STW serves the town of Ivybridge in South Hams, Devon, England, treating wastewater for approximately 12,586 residents. The plant operates under the UK's water quality regulations.
ILFRACOMBE STW serves approximately 14,418 people in North Devon, England. The plant discharges treated wastewater into the local environment, contributing to the region's water quality management.
HONITON STW serves approximately 13,791 people in East Devon, England. The plant discharges treated wastewater into the local water environment, contributing to the region's water quality management.
HELSTON STW serves Helston, Cornwall, England, treating wastewater for approximately 15,352 people. The plant operates under the UK's regulatory framework for wastewater treatment.
HEATHFIELD STW serves Teignbridge, England, treating wastewater for approximately 10,438 people. The plant operates under UK environmental regulations and discharges into local watercourses within the Devon catchment.
ST IVES AND PENZANCE STW serves approximately 72,605 people in Cornwall, England. The plant discharges treated wastewater into the local environment, supporting the region's coastal water quality.
Great Torrington STW serves the Torridge area in Devon, England, with a designed capacity of 1.00 and a population equivalent of 6,512. The plant discharges into local watercourses under UK environmental regulations.
FOWEY STW is a wastewater treatment plant serving 4,641 people in Fowey, Cornwall, England. It is located near the coast and discharges into the local catchment.
FLUXTON STW serves East Devon, England, treating wastewater for approximately 4,686 people. The plant is located inland near the River Otter and operates under UK environmental regulations.
Falmouth STW serves approximately 42,867 people in Black Rock, England. The plant discharges treated wastewater into the local water environment, operating under UK regulations derived from the EU Urban Waste Water Treatment Directive.
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 South West Water. UtilityRadar's records show 2 plants linked to this operator.
Among the indexed plants, OKEHAMPTON STW has the highest designed capacity at 1 m3/day.