2,117 plants indexed. Showing 1,594 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.
LA MALAHA wastewater treatment plant in Gabia Grande, Andalucía, Spain, serves a population of 2,671 with secondary treatment. The plant is now closed.
HUENEJA wastewater treatment plant in Huéneja, Andalucía, Spain, serves a population of 1,812 with secondary treatment. The plant is currently closed but has a designed capacity of 1,500 m³/day.
FORNES wastewater treatment plant in Arenas del Rey, Andalucía, Spain, serves a population of 1,132 with secondary treatment. The plant has a designed capacity of 2,081 m³/day and is currently closed.
ZUHEROS wastewater treatment plant in Zuheros, Andalucía, Spain, is a closed advanced treatment facility that served a population of 1,000 with a designed capacity of 1,200 m³/day.
Chirivel wastewater treatment plant in Andalusia, Spain, serves 1,698 people with secondary treatment. The plant is currently closed and discharges treated effluent to the Rambla de Chirivel.
THARSIS is a secondary wastewater treatment plant in El Cerro de Andévalo, Andalucía, Spain. It serves 3,500 people and is currently closed.
ALFARNATE wastewater treatment plant in Alfarnate, Andalucía, Spain, serves a population of 2,391 with secondary treatment. The plant is now closed.
Santa Barbara de Casa wastewater treatment plant in Andalusia, Spain, serves 1,980 people with secondary treatment. The plant is currently closed.
VILLANUEVA DEL REY wastewater treatment plant in Villanueva del Rey, Andalucía, Spain, serves 1,254 people with secondary treatment. The plant is currently closed.
SAYALONGA wastewater treatment plant in Sayalonga, Andalucía, Spain, serves 1,245 people with secondary treatment. The plant is closed and located within 10 km of the coast.
LA IRUELA wastewater treatment plant in La Iruela, Andalucía, Spain, serves a population of 1,091 with secondary treatment. The plant is currently closed.
PINAR is an advanced wastewater treatment plant in Píñar, Andalucía, Spain, serving a small population of 936. The facility is currently closed and has a designed capacity of 1,600 m³/day.
ELVALLE wastewater treatment plant in El Valle, Andalucía, Spain, serves a population of 1,761 with secondary treatment. The plant is currently closed.
Cerro Muriano is a closed secondary wastewater treatment plant in Córdoba, Andalucía, Spain. It served a population of 1,182 with a designed capacity of 4,800 m³/day.
FONDON wastewater treatment plant in Fondón, Andalucía, Spain serves approximately 2,983 people with secondary treatment. The plant is now closed.
PAYMOGO wastewater treatment plant in Paymogo, Andalucía, Spain, serves a small population of 250 with secondary treatment. The plant is currently closed.
Almaden de la Plata wastewater treatment plant in Almadén de la Plata, Andalucía, Spain, serves a population of 4,533 with secondary treatment. The plant is currently closed.
FUENTE DE PIEDRA I is a secondary wastewater treatment plant in Fuente de Piedra, Andalucía, Spain. It serves a small population of 168 and has a designed capacity of 500 m³/day.
CUEVAS BAJAS is a closed primary treatment plant in Cuevas Bajas, Andalucía, Spain. It served a population of 2,641 with a designed capacity of 2,000 m³/day.
JIMENA wastewater treatment plant in Jimena, Andalucía, Spain, serves a population of 953 with secondary treatment. The plant is currently closed, with a designed capacity of 3,112 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, CERRO MURIANO has the highest designed capacity at 4,800 m3/day.