1,887 plants indexed. Showing 391 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.
Meadowhead WWT Service in Irvine, Scotland serves approximately 335,000 people. The plant treats wastewater for the North Ayrshire region before discharge into local water bodies.
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.
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.
Leven Valley Levenmouth WWTW serves nearly 195,000 people in Leven, Fife, Scotland. The plant discharges treated wastewater into the Firth of Forth, supporting the local coastal environment.
LARGS STW is a municipal wastewater treatment plant serving approximately 14,000 people in Largs, North Ayrshire, Scotland. It discharges treated effluent into the Firth of Clyde, a major sea inlet on the west coast.
KIRKWALL HEAD OF WORK WWTP serves the town of Kirkwall in the Orkney Islands, Scotland, with a population equivalent of 12,852. The plant operates under UK wastewater regulations, discharging treated effluent into the surrounding marine environment.
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.
Kinneil Kerse wastewater treatment plant serves Grangemouth, Scotland, UK. It treats wastewater for approximately 55,000 people and has a designed capacity of 1.00 (units unspecified).
Iron Mill Bay WWTW serves Crombie, Fife, Scotland, treating wastewater for a population of 19,116. The plant operates under UK regulations and discharges within 50 km of the coast.
INVERCLYDE WWT SERVICE serves Dunoon, Scotland, treating wastewater for approximately 91,453 people. The plant operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.
Helensburgh STW serves the town of Helensburgh in Argyll and Bute, Scotland, treating wastewater for approximately 13,465 people. The plant is located near the coast and discharges into the Firth of Clyde.
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.
GRETNA STW serves approximately 5,048 people in Gretna, Scotland. The plant operates under UK wastewater regulations, discharging treated effluent into the local water environment.
GIRVAN STW serves the town of Girvan in South Ayrshire, Scotland, treating wastewater for approximately 13,851 people. The plant operates under UK regulations and discharges into the local water environment.
Fraserburgh WWTW Aberdeen PFI serves Sandhaven, Scotland, treating wastewater for approximately 27,379 people. The plant is located near the coast and operates under UK regulations.
Fort William New WWTP serves approximately 14,700 people in the Highland region of Scotland, United Kingdom. The plant discharges treated wastewater into the local water environment, contributing to the protection of the River Lochy and downstream ar
FORRES WWTP serves Kinloss, Scotland, with a population equivalent of 15,182. The plant operates under the EU Urban Waste Water Treatment Directive, which sets treatment standards for agglomerations of this size.
ELLON WWTP serves approximately 11,200 people in Ellon, Aberdeenshire, Scotland. The plant discharges treated wastewater into the local water environment, contributing to the region's water quality management.
Edinburgh Seafield WWTW is a major wastewater treatment plant serving over 746,000 people in Edinburgh, Scotland. It discharges treated effluent into the Firth of Forth, a coastal estuary.
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, MEADOWHEAD WWT SERVICE has the highest designed capacity at 1 m3/day.