2,117 plants indexed. Showing 50 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.
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.
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.
ELVALLE wastewater treatment plant in El Valle, Andalucía, Spain, serves a population of 1,761 with secondary treatment. The plant is currently closed.
POLIGONO INDUSTRIAL SAN ROQUE is a closed secondary treatment plant in San Roque, Andalucía, Spain. It served a population of 1,166 and had a designed capacity of 2,500 m³/day.
FONDON wastewater treatment plant in Fondón, Andalucía, Spain serves approximately 2,983 people with secondary treatment. The plant is now closed.
CANILLAS DE ACEITUNO wastewater treatment plant in Canillas de Aceituno, Andalucía, Spain, serves a population of 1,536. It is a secondary treatment plant with a designed capacity of 1,900 m³/day, currently closed.
ISTAN wastewater treatment plant in Istán, Andalucía, Spain, serves 1,334 people with secondary treatment. The plant is closed and located within 10 km of the coast.
JAYENA wastewater treatment plant in Jayena, Andalucía, Spain, is a secondary treatment facility serving 1,300 people. It is currently closed.
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.
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.
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.
SAN JOSE wastewater treatment plant in Santa Cruz de Tenerife, Canary Islands, Spain, is a closed secondary treatment facility serving 1,365 people. It discharged 247.40 m³/day before closure.
LA LAJITA is a secondary wastewater treatment plant in La Lajita, Canarias, Spain. It serves a population of 1,000 and has a designed capacity of 3,000 m³/day, though it is currently closed.
ALCALA DE XIVERT CAP ICORP is a closed secondary treatment plant in Alcalà de Xivert, Comunitat Valenciana, Spain. It served 2,274 people with a designed capacity of 2,500 m³/day.
MERUELO wastewater treatment plant in Arnuero, Cantabria, Spain, serves a population of 1,361 with advanced treatment. The plant is closed but its designed capacity of 50,000 m³/day reflects its original scale.
UtilityRadar indexes 2117 wastewater treatment plants in Spain, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, MERUELO has the highest designed capacity at 50,000 m3/day.