1,887 plants indexed. Showing 946 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.
MAULDSLIE STW serves approximately 18,626 people in Rosebank, South Lanarkshire, Scotland. The plant operates under the UK's regulatory framework for wastewater treatment.
LOCKERBIE STW serves Lochmaben, Scotland, treating wastewater for approximately 5,861 people. The plant operates under UK regulations, discharging into local watercourses within the Dumfries and Galloway region.
Livingston WWTW is a municipal wastewater treatment plant serving approximately 8,083 people in Livingston, West Lothian, Scotland. It operates under the UK regulatory framework and discharges into the Almond River catchment.
Linlithgow WWTW serves approximately 13,951 people in Whitecross, Scotland. The plant operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.
Lincluden STW is a wastewater treatment plant serving approximately 8,280 people in Dumfries, Scotland, United Kingdom. It operates under the UK's regulatory framework for wastewater treatment.
LESMAHAGOW STW serves Brocketsbrae, South Lanarkshire, Scotland, treating wastewater for approximately 7,713 people. The plant operates under UK regulations and discharges into local watercourses.
LANARK STW is a wastewater treatment plant serving approximately 12,409 people in Kirkfieldbank, South Lanarkshire, Scotland. It operates under the EU Urban Waste Water Treatment Directive.
LAIGHPARK STW serves Paisley, Scotland, treating wastewater for approximately 130,500 people. The plant operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.
Kirriemuir WWTP serves approximately 7,272 people in Kirriemuir, Angus, Scotland. The plant operates under UK wastewater regulations, discharging treated effluent into local watercourses.
Kirkcaldy WWTW is a municipal wastewater treatment plant serving approximately 61,238 people in Kirkcaldy, Fife, Scotland. It operates under the UK's regulatory framework for wastewater treatment.
Kinross WWTW is a municipal wastewater treatment plant serving approximately 5,500 people in Kinross, Scotland, United Kingdom. It operates under the UK's regulatory framework for wastewater treatment.
Kelso WWTW is a municipal wastewater treatment plant serving approximately 8,200 people in Kelso, Scottish Borders, United Kingdom. It operates under UK regulations and discharges into the River Tweed catchment.
KEITH WWTP serves Newmill, Moray, Scotland, treating wastewater for approximately 6,194 people. The plant operates under UK regulations and discharges into the local water environment.
JEDBURGH WWTW is a wastewater treatment plant serving approximately 4,719 people in Nisbet, Scottish Borders, United Kingdom. It operates under the EU Urban Waste Water Treatment Directive.
INVERURIE NEW WWTP serves approximately 24,000 people in Inverurie, Aberdeenshire, Scotland. The plant discharges treated wastewater into the River Don, which flows into the North Sea.
HUNTLY WWTW serves the town of Huntly in Aberdeenshire, Scotland, treating wastewater for approximately 6,301 people. The plant operates under UK regulations and discharges into the local water environment.
HAWICK WWTW is a municipal wastewater treatment plant serving approximately 17,551 people in Hawick, Scottish Borders, United Kingdom. It operates under the EU Urban Waste Water Treatment Directive.
HAMILTON STW serves Bothwell, Scotland, treating wastewater for approximately 62,664 people. The plant operates under UK regulations aligned with the EU Urban Waste Water Treatment Directive.
HADDINGTON WWTW serves approximately 12,000 people in Haddington, East Lothian, Scotland. The plant discharges treated wastewater into the local water environment, contributing to the protection of the Firth of Forth.
Guardbridge WWTW serves Leuchars, Fife, Scotland, treating wastewater for approximately 4,576 people. The plant is located near the coast and operates under UK wastewater regulations.
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 20 plants linked to this operator.
Among the indexed plants, MAULDSLIE STW has the highest designed capacity at 1 m3/day.