1,887 plants indexed. Showing 448 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.
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.
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.
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.
FOCHABERS WWTP is a secondary treatment plant serving 3,068 people in Upper Dallachy, Scotland. It discharges 683.04 m³/day of treated wastewater into the local water environment.
FALLIN WWTW is a secondary treatment plant in Fallin, Scotland, serving approximately 2,668 people. It discharges treated wastewater into the local water environment under UK regulations.
Eaglesham STW is a secondary treatment plant serving approximately 3,500 people in Eaglesham, East Renfrewshire, Scotland. It discharges treated wastewater into the local water environment under Scottish regulatory oversight.
DOUGLAS STW is a secondary wastewater treatment plant in Douglas, South Lanarkshire, Scotland, serving approximately 1,808 people. It discharges treated effluent into the local water environment.
Dollar WWTW is a secondary treatment plant in Dollar, Scotland, serving approximately 2,763 people. It discharges treated wastewater into the local water environment, with a designed capacity of 3,050 m³/day.
DALSCONE STW old is a secondary treatment plant serving Dumfries, Scotland. It treats wastewater for approximately 2,433 people with a designed capacity of 3,893 m³/day and a discharge volume of 541.67 m³/day.
DALSCONE STW new is a secondary wastewater treatment plant in Dumfries, Scotland, serving approximately 3,800 people. It discharges 846.90 megalitres annually and has a designed capacity of 6,173.00 megalitres.
Dalmellington STW is a secondary treatment plant serving 3,564 people in East Ayrshire, Scotland. It discharges treated wastewater into local watercourses, operating under UK environmental regulations.
COMRIE WWTP is a secondary treatment plant serving 2,273 people in Crieff, Scotland. It discharges 506.05 megalitres annually and operates under the EU Urban Waste Water Treatment Directive.
Catrineholm STW is a secondary treatment plant serving Catrine, East Ayrshire, Scotland. It treats wastewater for a population of 2,421 with a designed capacity of 4,000 m³/day.
Carstairs Junction STW is a secondary treatment plant serving approximately 2,945 people in South Lanarkshire, Scotland. It discharges treated wastewater into the local water environment under UK regulatory frameworks.
Callander WWTW is a secondary treatment plant serving approximately 4,157 people in Callander, Scotland. It discharges treated wastewater into the local water environment, supporting the River Teith catchment.
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.