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.
Drumaness wastewater treatment plant in Northern Ireland serves 2,609 people with advanced treatment. It discharges 580.85 megalitres annually and has a designed capacity of 2,651 megalitres.
Newtownstewart wastewater treatment plant in County Tyrone, Northern Ireland serves about 2,170 people with advanced treatment, discharging 483.12 megaliters annually.
Irvinestown wastewater treatment plant in County Fermanagh, Northern Ireland, serves a population of 2,669 with advanced treatment. It discharges 594.21 cubic meters of treated effluent daily.
Gilford wastewater treatment plant in County Down, Northern Ireland serves about 2,447 people with advanced treatment. It discharges 544.79 megaliters annually and operates under the EU Urban Waste Water Treatment Directive.
HARTHILL STW is an advanced wastewater treatment plant serving Whitburn, Scotland. It treats wastewater for approximately 4,040 people with a designed capacity of 6,500 m³/day.
ORMISTON WWTW is an advanced wastewater treatment plant serving Pencaitland, East Lothian, Scotland. It treats wastewater for a population of 3,144 and has a designed capacity of 5,100 cubic meters per day.
NEWTOWN ST BOSWELL WWTW is an advanced wastewater treatment plant in Newtown St Boswells, Scottish Borders, Scotland. It serves a population of 1,994 and discharges 443.93 m³/day of treated effluent.
MAUCHLINE STW is an advanced wastewater treatment plant serving Mauchline, East Ayrshire, Scotland. It treats wastewater for approximately 4,389 people with a designed capacity of 6,000 m³/day.
Blair Atholl WWTP is an advanced treatment plant serving 554 people in Blair Atholl, Scotland. It discharges 123.34 m³/day of treated wastewater, with a designed capacity of 3,000 m³/day.
Knighton STW is an advanced wastewater treatment plant serving approximately 3,021 people in Knighton, Powys, Wales. It operates under UK regulations with a designed capacity of 3,500 m³/day.
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 Scottish Water. UtilityRadar's records show 5 plants linked to this operator.
Among the indexed plants, HARTHILL STW has the highest designed capacity at 6,500 m3/day.