2,117 plants indexed. Showing 2,025 matching current filters.
Spain treats over 90% of its wastewater to secondary or higher standards. Major operators include ACCIONA, FCC Aqualia, and regional consortia. UtilityRadar indexes 2117 wastewater treatment plants in Spain with a combined designed capacity of 3,967,981 m³/day. The largest plant on file is LA ALJORRA, treating 70,417 m³/day.
Spain treats over 90% of its wastewater to secondary or higher standards. Major operators include ACCIONA, FCC Aqualia, and regional consortia.
UtilityRadar's directory currently lists 2,117 wastewater treatment plants across Spain. Together these plants represent a combined designed capacity of approximately 3,967,981 m³/day.
By treatment level, the directory contains 652 secondary, 307 advanced, 11 primary-treatment plants. Secondary treatment (typically activated sludge with biological nutrient removal) is the most common standard.
The largest plant indexed for Spain is LA ALJORRA, with a designed capacity of 70,417 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.
Villafranca de Ebro wastewater treatment plant serves 2,504 people in Aragón, Spain. It provides secondary treatment and discharges 453.84 cubic meters of treated effluent.
ALOZAINA wastewater treatment plant serves the town of Alozaina in Andalucía, Spain. It provides secondary treatment for a population of 3,686 and has a designed capacity of 2,500 m³/day.
ALOSNO wastewater treatment plant in Alosno, Andalucía, Spain serves 3,500 people with advanced treatment. It discharges 634.37 m³/day of treated water, operating under EU Urban Waste Water Treatment Directive standards.
ALMOGIA wastewater treatment plant serves Almogía, Andalucía, Spain, with advanced treatment for a population of 3,902. It discharges treated water inland, contributing to the Guadalhorce River basin.
ALMACHAR EL BORGE is an advanced wastewater treatment plant in Almáchar, Andalucía, Spain, serving 4,000 people. It discharges treated water near the coast, supporting local environmental health.
ALTEA TOIX MASCARAT is a secondary wastewater treatment plant in Altea, Comunitat Valenciana, Spain, serving 4,421 people. It discharges 116.64 m³/day and is located within 10 km of the coast.
VALL Y ALGIMIA DE ALMONACID is a secondary wastewater treatment plant serving Vall de Almonacid, Spain. It treats approximately 217.78 m³/day with a designed capacity of 2,650 m³/day.
ZARRA wastewater treatment plant serves the small municipality of Zarra in Comunitat Valenciana, Spain. It provides secondary treatment for a population of 594, discharging treated water into the local watershed.
YATOVA wastewater treatment plant serves the municipality of Yátova in Comunitat Valenciana, Spain, with secondary treatment for a population of 5,292.
XERT wastewater treatment plant serves the municipality of Xert in Comunitat Valenciana, Spain. It provides secondary treatment for a population of 1,305.
XERESA wastewater treatment plant serves Xeresa in Comunitat Valenciana, Spain. It provides advanced treatment for a population of 5,425 and discharges 297.09 cubic meters per day.
Vallanca wastewater treatment plant serves the small municipality of Vallanca in Comunitat Valenciana, Spain. It provides secondary treatment for a population of 711, with a designed capacity of 2,000 m³/day.
Vallada wastewater treatment plant serves the municipality of Vallada in Comunitat Valenciana, Spain. It provides secondary treatment for a population of 4,508 and has a designed capacity of 7,034 m³/day.
VALL D ALBA wastewater treatment plant serves Vall d'Alba, Comunitat Valenciana, Spain. It provides secondary treatment for a population of 2,926, with a designed capacity of 5,000 m³/day.
VALENCIA EL PALMAR is an advanced wastewater treatment plant serving 1,265 people in València, Spain. It discharges 577.95 m³/day and is located within 10 km of the Mediterranean coast.
UTIEL LAS CUEVAS is an advanced wastewater treatment plant serving Utiel, Comunitat Valenciana, Spain. It treats wastewater for a population of 844 with a designed capacity of 3,125 m³/day.
USERES LES is a secondary wastewater treatment plant serving the municipality of les Useres in the Comunitat Valenciana, Spain. It treats wastewater for a population of 1,313 with a designed capacity of 3,910 m³/day.
TURIS 2 is a secondary wastewater treatment plant in Turís, Comunitat Valenciana, Spain, serving 833 people with a designed capacity of 2000 m³/day and a discharge volume of 200.71 m³/day.
TURIS 1 is a secondary wastewater treatment plant in Turís, Comunitat Valenciana, Spain, serving approximately 9,327 people with a designed capacity of 5,000 m³/day and a discharge volume of 672.25 m³/day.
TUEJAR wastewater treatment plant serves Tuéjar in Comunitat Valenciana, Spain. It provides secondary treatment for a population of 8,042, with a designed capacity of 4,500 m³/day.
UtilityRadar indexes 2117 wastewater treatment plants in Spain, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, VALLADA has the highest designed capacity at 7,034 m3/day.