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.
WAREHAM STW serves approximately 16,263 people in Wareham, Dorset, England. The plant discharges treated wastewater into the local water environment, contributing to the protection of the River Frome and Poole Harbour.
SWANAGE STW serves approximately 22,000 people in Swanage, Dorset, England. The plant discharges treated wastewater into the English Channel, supporting coastal water quality.
Portishead & Pill STW serves 28,827 people in the City of Bristol, England. The plant discharges into the Severn Estuary, a major tidal water body with significant ecological importance.
Poole STW serves approximately 164,000 people in Poole, England. The plant operates under the UK's implementation of the EU Urban Waste Water Treatment Directive.
MINEHEAD STW serves Dunster, Somerset, England, treating wastewater for approximately 25,945 people. The plant operates under UK regulations implementing the EU Urban Waste Water Treatment Directive.
Bournemouth Kinson STW serves approximately 41,911 people in Parley Cross, England. The plant operates under the UK's wastewater regulatory framework, discharging treated effluent into local watercourses.
Clevedon, Nailsea, and Yatton STW is a wastewater treatment plant serving over 52,000 people in Kingston Seymour, England. It operates under the UK's regulatory framework for wastewater treatment.
Bournemouth Holdenhurst STW serves Christchurch, England, treating wastewater for approximately 169,595 people. The plant is located near the coast and operates under UK regulations aligned with the EU Urban Waste Water Treatment Directive.
CHRISTCHURCH STW serves approximately 59,094 people in Christchurch, England. The plant discharges into local waterways under the UK's wastewater regulatory framework.
BRIDPORT STW serves approximately 29,917 people in Eype, England, discharging treated wastewater into the local water environment. The plant operates under UK regulations implementing the EU Urban Waste Water Treatment Directive.
BRIDGWATER STW serves approximately 82,802 people in Chilton Trinity, Somerset, England. The plant operates under the UK's urban wastewater treatment regulations, discharging treated effluent into local watercourses.
Bristol STW serves approximately 910,000 people in Bristol, England. The plant operates under the EU Urban Waste Water Treatment Directive, which mandates advanced treatment for large agglomerations discharging into sensitive areas.
Woolacombe STW serves the coastal village of Woolacombe in North Devon, England, treating wastewater for approximately 9,616 residents. The plant is located near the Bristol Channel and operates under UK environmental regulations.
TRECERUS STW serves Constantine Bay, Cornwall, England, treating wastewater for approximately 12,487 people. The plant operates under UK regulations and discharges into the local coastal environment.
TORPOINT STW serves the town of Torpoint, Cornwall, England, with a population equivalent of 7,608. The plant discharges treated wastewater into the local water environment under UK regulatory standards.
TORQUAY, PAIGNTON, BRIXHAM STW serves 169,053 people in Brixham, England. The plant operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.
ST AUSTELL NORTH STW serves 9,441 people in Luxulyan, Cornwall, England. The plant operates under the EU Urban Waste Water Treatment Directive, which requires secondary treatment for agglomerations of this size.
ST AUSTELL MENAGWINS STW serves approximately 26,000 people in London Apprentice, Cornwall, England. The plant discharges into the English Channel via local watercourses.
Sidmouth STW is a municipal wastewater treatment plant serving approximately 16,559 people in East Devon, England. It operates under the UK's regulatory framework for wastewater treatment.
Seaton STW serves approximately 10,800 people in East Devon, England. The plant discharges treated wastewater into the local environment, 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 plants on this page, the most-referenced operator is Wessex Water. UtilityRadar's records show 2 plants linked to this operator.
Among the indexed plants, WAREHAM STW has the highest designed capacity at 1 m3/day.