2,117 plants indexed. Showing 206 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.
CANJAYAR wastewater treatment plant in Canjáyar, Andalucía, Spain, serves approximately 1,400 people with secondary treatment. It discharges 253.75 m³/day and has a designed capacity of 2,842 m³/day.
Villarrasa wastewater treatment plant in Andalusia, Spain serves 2,192 people with secondary treatment. It discharges 397.29 cubic meters per day into local water bodies.
VILLANUEVA DEL ROSARIO wastewater treatment plant serves 5,343 people in Andalucía, Spain, with secondary treatment and a designed capacity of 6,000 m³/day.
Villanueva de la Concepción wastewater treatment plant in Andalucía, Spain, serves 4,200 people with secondary treatment. It discharges 761.24 m³/day and operates under EU Urban Waste Water Treatment Directive.
Villablanca San Silvestre is a secondary wastewater treatment plant in Villablanca, Huelva, Andalusia, Spain. It serves approximately 4,729 people with a designed capacity of 5,000 m³/day.
VALLE DE ABDALAJIS wastewater treatment plant in Valle de Abdalajís, Andalucía, Spain, serves 4,000 people with secondary treatment. It discharges 724.99 m³/day and operates under EU Urban Waste Water Treatment Directive standards.
TOLOX wastewater treatment plant serves the town of Tolox in Andalucía, Spain, with secondary treatment for a population of 5,500. It discharges approximately 997 m³/day and has a designed capacity of 4,922 m³/day.
Tabernas wastewater treatment plant in Andalucía, Spain, serves 4,100 people with secondary treatment. It discharges 743.11 m³/day and is located inland, contributing to the local water cycle.
Colmenar wastewater treatment plant serves the town of Colmenar in Andalucía, Spain, with secondary treatment. It treats wastewater for a population of 3,267 and discharges 592.14 cubic meters per day.
Setenil de las Bodegas wastewater treatment plant serves the town of Setenil de las Bodegas in Andalucía, Spain. It provides secondary treatment for a population of 5,000.
SAN JOSE secondary treatment plant serves 5,000 people in Níjar, Almería, Spain. It discharges 906.24 m³/day of treated wastewater within 10 km of the Mediterranean coast.
ROTA wastewater treatment plant in Rota, Andalucía, Spain, serves approximately 50,177 people with secondary treatment. The plant has a designed capacity of 70,100 m³/day and discharges 97.06 m³/day of treated wastewater near the coast.
Puente Esuri wastewater treatment plant serves the Costa Esuri area of Ayamonte, Andalucía, Spain. It provides secondary treatment for a population of 4,025 and discharges 729.52 m³/day.
PERIANA wastewater treatment plant serves the town of Periana in Andalucía, Spain, with secondary treatment for a population of 2,071. It has a designed capacity of 3,000 m³/day and discharges 375.36 m³/day.
LAUJAR DE ANDARAX wastewater treatment plant in Laujar de Andarax, Andalusia, Spain, serves 4,200 people with secondary treatment. It discharges 761.24 m³/day of treated effluent into the local watershed.
LA BARCA DE LA FLORIDA wastewater treatment plant serves Jerez de la Frontera, Spain, with secondary treatment for a population of 4,930. The plant discharges 893.55 m³/day and is located inland in Andalucía.
HINOJOS wastewater treatment plant in Hinojos, Andalucía, Spain, serves a population of 5,223 with secondary treatment. It discharges 946.65 m³/day and has a designed capacity of 5,300 m³/day.
GUADIARO wastewater treatment plant in San Roque, Andalucía, Spain, serves 4,000 people with secondary treatment. It discharges 724.99 m³/day and is located within 10 km of the coast.
Grazalema wastewater treatment plant serves the town of Grazalema in Andalusia, Spain, treating wastewater for approximately 3,700 residents with secondary treatment.
GAUCIN wastewater treatment plant serves Gaucín, Andalucía, Spain. It provides secondary treatment for a population of 3,000, with a designed capacity of 3,000 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, ROTA has the highest designed capacity at 70,100 m3/day.