1,887 plants indexed. Showing 10 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.
Hillsborough wastewater treatment plant in Royal Hillsborough, Northern Ireland, serves approximately 4,034 people with secondary treatment. The facility is now closed.
RAGLAN STW CHEPSTOW ROAD RAGLAN STW is a closed secondary treatment plant in Raglan, Wales, serving 1,210 people. It discharged 269.39 m³/day with a designed capacity of 1,300 m³/day.
ROTHBURY STW is a secondary treatment plant serving 1,783 people in Rothbury, Northumberland, England. The plant is now closed.
KELLOE STW is a closed secondary treatment plant in Kelloe, County Durham, England, serving a population of 1,813. It discharged 403.64 cubic meters of treated wastewater before closure.
INVERURIE WWTP is a closed secondary treatment plant in Inverurie, Aberdeenshire, Scotland, with a designed capacity of 3,770 m³/day.
Caldercruix STW is a closed secondary treatment plant in Plains, North Lanarkshire, Scotland. It served the local population before decommissioning.
LLANINA WWTW STW is a closed wastewater treatment plant in Ceredigion, Wales, United Kingdom. It served a population of 5,515 and had a designed capacity of 1.00.
ALTHORPE STW FINAL EFFLUENT is a closed secondary treatment plant in Keadby, England. It served the local area before decommissioning, with a designed capacity of 1967 cubic meters.
West Burton STW in Bassetlaw, England, is a closed secondary treatment plant with a designed capacity of 3,000 m³/day. It operated under UK wastewater regulations serving the local area.
Fingringhoe STW is a closed secondary treatment plant near Colchester, England, with a designed capacity of 2001 cubic meters. It served the local community before decommissioning.
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 Dŵr Cymru / Welsh Water. UtilityRadar's records show 2 plants linked to this operator.
Among the indexed plants, Hillsborough has the highest designed capacity at 4,046 m3/day.