1,887 plants indexed. Showing 570 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.
NEWMACHAR WWTP is a secondary treatment plant in Newmachar, Aberdeenshire, Scotland, serving approximately 3,117 people. It discharges treated wastewater near the coast, with a designed capacity of 3,000 cubic meters per day.
Newburgh WWTW is a secondary treatment plant in Fife, Scotland, serving about 2,400 people. It discharges treated wastewater near the coast, operating under UK regulations.
New Cumnock STW is a secondary wastewater treatment plant serving approximately 3,700 people in New Cumnock, East Ayrshire, Scotland. It discharges treated effluent into the local water environment under UK regulatory frameworks.
Muir of Ord New STW is a secondary wastewater treatment plant serving approximately 4,343 people in Muir of Ord, Scotland. It discharges 966.90 m³/day of treated effluent and is located within 10 km of the coast.
MOFFAT STW is a secondary treatment plant serving Moffat, Scotland, with a designed capacity of 5,000 m³/day and a population equivalent of 3,270.
Mintlaw WWTP is a secondary treatment plant serving 3,081 people in Aberdeenshire, Scotland. It discharges treated wastewater into local watercourses within the River Ugie catchment.
Melrose WWTW is a secondary treatment plant serving the town of Melrose in the Scottish Borders, United Kingdom. It treats wastewater for approximately 3,767 people and discharges treated effluent into the local water environment.
LOCHWINNOCH STW is a secondary treatment plant serving 2,640 people in Lochwinnoch, Renfrewshire, Scotland. It discharges treated wastewater into the local water environment under UK regulatory frameworks.
LOCHMABEN STW is a secondary wastewater treatment plant serving Lochmaben, Scotland. It treats approximately 440 m³/day and is located within 10 km of the coast.
LAURENCEKIRK WWTP is a secondary treatment plant serving Marykirk, Scotland, with a population equivalent of 4,063. It discharges treated wastewater near the coast, operating under UK environmental regulations.
LANGHOLM STW is a secondary treatment plant serving 2,880 people in Langholm, Scotland. It discharges 641.19 m³/day of treated wastewater into the local water environment.
KIRKCONNEL STW is a secondary wastewater treatment plant serving the Sanquhar area in Dumfries and Galloway, Scotland, United Kingdom. It treats wastewater for a population of approximately 3,684.
KINGUSSIE WWTP is a secondary treatment plant serving approximately 1,989 people in Kingussie, Scotland. It discharges 442.82 cubic meters of treated wastewater daily, with a designed capacity of 3,080 cubic meters.
Kincardine WWTW is a secondary treatment plant serving 3,040 people in Fife, Scotland. It discharges 676.81 cubic meters of treated wastewater daily, with a designed capacity of 3,083 cubic meters.
Kemnay WWTP is a secondary treatment plant serving approximately 3,938 people in Inverurie, Aberdeenshire, Scotland. It discharges treated wastewater into the local water environment under Scottish regulatory oversight.
INSCH WWTP is a secondary treatment plant serving Insch, Aberdeenshire, Scotland. It treats wastewater for approximately 2,715 people and discharges 604.45 m³/day, operating under UK regulations.
Grantown-on-Spey WWTP is a secondary treatment plant serving approximately 3,769 people in the Scottish Highlands. It discharges treated wastewater into the River Spey, a key salmon river flowing to the Moray Firth.
Gorebridge WWTW is a secondary treatment plant serving 3,821 people in Gorebridge, Scotland. It discharges 850.69 m³/day of treated wastewater and is located within 10 km of the coast.
GLENEAGLES STW is a secondary wastewater treatment plant serving Auchterarder, Scotland, UK. It treats wastewater for approximately 3,500 people with a designed capacity of 3,500 m³/day.
FORTH STW is a secondary treatment plant serving Forth, South Lanarkshire, Scotland. It treats wastewater from approximately 2,353 people and discharges 523.86 megalitres annually.
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, LANGHOLM STW has the highest designed capacity at 8,241 m3/day.