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.
ROVAHEAD WWTW LERWICK serves Heogan on Bressay, Shetland Islands, Scotland, treating wastewater for approximately 25,629 people. The plant's designed capacity is 1.00 volume units.
Peterhead Burnhaven WWTP serves approximately 32,000 people in Peterhead, Scotland. The plant discharges treated wastewater into the North Sea via the local coastal environment.
Persley WWTP serves approximately 48,738 people in Aberdeen City, Scotland. The plant operates under UK wastewater regulations and discharges treated effluent into the local water environment.
OBAN STW serves the town of Oban in Argyll and Bute, Scotland, treating wastewater for approximately 13,228 people. The plant is located near the coast of the Firth of Lorn.
NIGG WWTW Aberdeen PFI is a large wastewater treatment plant serving approximately 278,900 people in Aberdeen City, Scotland, United Kingdom. It operates under the EU Urban Waste Water Treatment Directive.
Newbridge WWTW serves approximately 28,500 people in the City of Edinburgh, Scotland. The plant operates under UK wastewater regulations and discharges treated effluent into the local water environment.
NAIRN WWTP serves approximately 12,672 people in Nairn, Scotland. The plant discharges treated wastewater into the Moray Firth, a coastal inlet of the North Sea.
Moray West Lossiemouth STW serves approximately 42,949 people in Lossiemouth, Scotland. The plant discharges treated wastewater into the Moray Firth, part of the North Sea ecosystem.
Moray East WWTW Moray PFI serves Buckie, Scotland, treating wastewater for approximately 23,586 people. The plant operates under UK regulations aligned with the EU Urban Waste Water Treatment Directive.
Montrose WWTP serves approximately 18,000 people in Montrose, Scotland. The plant discharges treated wastewater into the local water environment, contributing to the protection of the North Sea coastal ecosystem.
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.
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.
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.
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.
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, ROVAHEAD WWTW LERWICK has the highest designed capacity at 1 m3/day.