2,117 plants indexed.
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.
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.
EL TORNO wastewater treatment plant in Jerez de la Frontera, Andalucía, Spain, serves a population of 1,760. The facility provides secondary treatment and is now closed.
ZURGENA wastewater treatment plant in La Alfoquia, Andalucía, Spain, serves a population of 2,429 with secondary treatment. The plant is currently closed.
VELEZ BLANCO wastewater treatment plant in Vélez-Blanco, Andalucía, Spain, serves 1,400 people with secondary treatment. The plant is currently closed and has a designed capacity of 2,500 m³/day.
SORBAS wastewater treatment plant in Sorbas, Andalucía, Spain, is a secondary treatment facility serving 1,374 people. It has a designed capacity of 2,000 m³/day and is currently closed.
PURCHENA wastewater treatment plant in Purchena, Andalucía, Spain, serves 1,840 people with secondary treatment. It has a designed capacity of 2,000 m³/day and discharges 333.50 m³/day.
NUEVA JARILLA wastewater treatment plant in Jerez de la Frontera, Andalucía, Spain, serves a population of 2,075 with secondary treatment. The plant is now closed.
Albanchez de Mágina wastewater treatment plant in Andalucía, Spain, serves a population of 1,440 with secondary treatment. The facility is currently closed.
UtilityRadar indexes 2117 wastewater treatment plants in Spain, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, JIMENA has the highest designed capacity at 3,112 m3/day.