2,117 plants indexed. Showing 250 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.
ROCIO EL is an advanced wastewater treatment plant in Almonte, Andalucía, Spain, serving 3,563 people. It discharges 645.78 cubic meters of treated wastewater daily.
RIOGORDO advanced wastewater treatment plant serves 3,321 people in Riogordo, Andalucía, Spain. It discharges 601.92 m³/day of treated effluent into the local water system.
PLANTA EXP TBC CARRION is an advanced wastewater treatment plant in Huévar del Aljarafe, Andalucía, Spain. It serves a population of 3,973 with a designed capacity of 4,000 m³/day and discharges 720.10 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.
NIEBLA wastewater treatment plant in Niebla, Andalucía, Spain, serves a population of 3,923 with advanced treatment. It discharges 711.03 cubic meters of treated wastewater daily.
LUCENA DEL PUERTO wastewater treatment plant in Lucena del Puerto, Andalucía, Spain, serves a population of 2,350 with advanced treatment. It discharges 425.93 cubic meters of treated wastewater daily.
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.
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.
FINANA wastewater treatment plant serves Fiñana, Almería, Andalucía, Spain. It provides secondary treatment for a population of 2,800 and has a designed capacity of 2,800 m³/day.
El Burgo wastewater treatment plant in Andalucía, Spain, serves 2,500 people with secondary treatment. It discharges 453.12 m³/day into the local watershed, supporting the Sierra de las Nieves region.
ALBOX NUEVA is a secondary wastewater treatment plant serving Albox, Andalucía, Spain. It treats wastewater for approximately 5,500 people with a designed capacity of 11,000 m³/day.
Abrucena wastewater treatment plant serves the municipality of Abrucena in Almería, Andalucía, Spain. It provides secondary treatment for a population of 2,386.
ABLA wastewater treatment plant in Abla, Andalucía, Spain, serves a population of 2,237 with secondary treatment. It discharges 405.45 m³/day and has a designed capacity of 2,680 m³/day.
LLOSETA wastewater treatment plant in Lloseta, Illes Balears, Spain, serves 5,118 people with advanced treatment. It discharges 774.46 cubic meters per day and has a designed capacity of 5,600 cubic meters per day.
CONSELL wastewater treatment plant serves Consell in Illes Balears, Spain, with secondary treatment for a population of 4,344. It discharges 580.16 m³/day of treated wastewater, with a designed capacity of 2,650 m³/day.
ALGAIDA MONTUIRI is an advanced wastewater treatment plant serving Algaida, Mallorca, Spain. It treats wastewater for 6,566 people with a designed capacity of 7,000 m³/day.
PORRERES wastewater treatment plant serves Porreres, Illes Balears, Spain, with advanced treatment for a population of 7,329. It discharges 810.35 m³/day and has a designed capacity of 5,500 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, ALBOX NUEVA has the highest designed capacity at 11,000 m3/day.