2,117 plants indexed. Showing 67 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 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.
Chilluévar wastewater treatment plant in Andalucía, Spain, serves a small population of 1,778 with secondary treatment. The plant is currently closed.
ENCINASOLA wastewater treatment plant in Encinasola, Andalucía, Spain, is a secondary treatment facility serving 1,772 people. It is now closed.
CALA wastewater treatment plant in Cala, Andalucía, Spain, serves a population of 2,613 with secondary treatment. The plant is currently closed and discharges 473.60 m³/day.
ARROYOMOLINOS DE LEON is a closed advanced treatment plant in Arroyomolinos de León, Andalucía, Spain. It served 695 people with a designed capacity of 1,719 m³/day.
ORCE wastewater treatment plant in Orce, Andalucía, Spain, serves 1,532 people with secondary treatment. The plant is currently closed.
JAYENA wastewater treatment plant in Jayena, Andalucía, Spain, is a secondary treatment facility serving 1,300 people. It is currently closed.
GALERA NUEVA is a secondary wastewater treatment plant in Galera, Andalucía, Spain. It serves a population of 1,869 and has a designed capacity of 1,250 m³/day, though currently closed.
CASTILLEJAR wastewater treatment plant in Castilléjar, Andalucía, Spain, serves 2,000 people with secondary treatment. The plant is currently closed.
Benalua de las Villas wastewater treatment plant in Andalusia, Spain serves 2,300 people with advanced treatment. The plant is now closed, having discharged treated water into local watercourses.
Cardeña wastewater treatment plant in Cardeña, Andalucía, Spain, serves a population of 1,307 with advanced treatment. The plant is closed and has a designed capacity of 1,600 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.