2,117 plants indexed. Showing 223 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.
ALTORREAL is a closed advanced wastewater treatment plant in Molina de Segura, Región de Murcia, Spain. It served a population of 2,759 and had a designed capacity of 9,000 m³/day.
BLANCA wastewater treatment plant serves the town of Blanca in the Región de Murcia, Spain. It provides advanced treatment for a population of 5,264, with a designed capacity of 13,300 m³/day.
Librilla wastewater treatment plant in Región de Murcia, Spain, serves 4,825 people with advanced treatment. It discharges 662 m³/day and has a designed capacity of 16,500 m³/day.
Campos del Río wastewater treatment plant serves 2,026 residents in the Región de Murcia, Spain, with advanced treatment. It discharges 242.66 m³/day and has a designed capacity of 12,000 m³/day.
ALCUDIA DE GUADIX ESFILIANA is an advanced wastewater treatment plant serving Valle del Zalabí, Andalucía, Spain. It treats wastewater for a population of 4,646 with a designed capacity of 5,000 m³/day.
AROCHE wastewater treatment plant in Aroche, Andalucía, Spain, serves a population of 4,986 with advanced treatment. It discharges 903.70 cubic meters of treated wastewater daily.
ARDALES wastewater treatment plant in Ardales, Andalucía, Spain, serves 5,500 people with advanced treatment. It discharges 996.86 m³/day and operates under EU Urban Waste Water Treatment Directive 91/271/EEC.
Zafarraya wastewater treatment plant in Andalusia, Spain, serves 3,500 people with advanced treatment. It discharges 634.37 m³/day of treated effluent, operating under EU Urban Waste Water Treatment Directive standards.
Yunquera wastewater treatment plant in Andalusia, Spain, serves 4,000 people with advanced treatment. It discharges 724.99 cubic meters daily, protecting the Sierra de las Nieves region.
Villalba del Alcor wastewater treatment plant in Andalucía, Spain serves 3,684 people with advanced treatment. It discharges 667.72 m³/day of treated water into local waterways.
UGIJAR wastewater treatment plant serves Ugíjar in Andalucía, Spain, with advanced treatment for a population of 4,100. It discharges treated water inland, contributing to local water quality.
SILES wastewater treatment plant in Siles, Andalucía, Spain, serves 2,300 people with advanced treatment. It discharges 416.87 m³/day and has a designed capacity of 3,975 m³/day.
San Bartolome de la Torre is an advanced wastewater treatment plant in Almonaster la Real, Andalusia, Spain. It serves a population of 4,826 with a designed capacity of 5,000 m³/day and discharges 874.70 m³/day.
ROSAL DE LA FRONTERA wastewater treatment plant in Rosal de la Frontera, Andalucía, Spain, serves 1,513 people with advanced treatment. It discharges 274.23 m³/day and has a designed capacity of 2,648 m³/day.
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.
PEGALAJAR wastewater treatment plant in Pegalajar, Andalucía, Spain, serves 4,700 people with advanced treatment. It discharges 851.86 m³/day of treated wastewater, operating under EU Urban Waste Water Treatment Directive standards.
PAJANOSAS LAS is an advanced wastewater treatment plant in Guillena, Andalucía, Spain, serving 2,100 people with a designed capacity of 14,400 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.
UtilityRadar indexes 2117 wastewater treatment plants in Spain, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, LIBRILLA has the highest designed capacity at 16,500 m3/day.