1,887 plants indexed. Showing 320 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.
PLYMPTON STW serves approximately 62,005 people in Plympton, Plymouth, England. The plant is located within 50 km of the coast and discharges into the local water system.
Plymouth Central STW serves approximately 125,000 people in Plymouth, England. The plant discharges treated wastewater into the English Channel via Plymouth Sound, a key coastal ecosystem.
Plymouth Radford STW serves approximately 25,715 people in Plymouth, England. The plant operates under the UK's wastewater regulatory framework, discharging treated effluent into local water bodies.
Plymouth Camels Head STW serves 42,618 people in Plymouth, England. The plant operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.
PAR STW serves the town of Par in Cornwall, England, treating wastewater for a population of approximately 27,070. The plant is located near the coast and discharges into local watercourses.
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.
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.
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.
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.
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.
EXMOUTH STW serves approximately 52,000 people in East Devon, England, discharging treated wastewater into the English Channel via a coastal outfall.
EXETER STW serves approximately 153,000 people in Exeter, England, as part of the region's municipal wastewater infrastructure. The plant operates under the EU Urban Waste Water Treatment Directive.
Ernesettle and Saltash STW serves approximately 58,400 people in Plymouth, England. The plant operates under the UK's urban wastewater treatment regulations, discharging treated effluent into the local water environment.
DAWLISH STW serves approximately 21,281 people in Teignbridge, England, discharging treated wastewater into the local environment near the Dawlish Warren area.
DARTMOUTH STW serves South Hams, England, treating wastewater from a population of approximately 10,504. The plant operates under UK regulations and discharges into the Dart Estuary, a sensitive coastal environment.
Bideford Northam STW in Torridge, England, serves approximately 43,000 people. The plant operates under the UK's wastewater regulatory framework, discharging treated effluent into the local catchment.
Camborne & Redruth STW serves 58,579 people in Cornwall, England. The plant operates under the UK's implementation of the EU Urban Waste Water Treatment Directive, ensuring secondary treatment for this large agglomeration.
BUDE STW is a wastewater treatment plant serving Flexbury, Cornwall, England. It handles a population equivalent of approximately 18,472 and operates under UK regulations.
Barnstaple STW serves approximately 47,935 people in North Devon, England. The plant discharges treated wastewater into the local catchment, ultimately reaching the Bristol Channel.
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 7 plants linked to this operator.
Among the indexed plants, PLYMPTON STW has the highest designed capacity at 1 m3/day.