2,117 plants indexed. Showing 725 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.
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.
Villarrasa wastewater treatment plant in Andalusia, Spain serves 2,192 people with secondary treatment. It discharges 397.29 cubic meters per day into local water bodies.
VILLANUEVA DEL ROSARIO wastewater treatment plant serves 5,343 people in Andalucía, Spain, with secondary treatment and a designed capacity of 6,000 m³/day.
Villanueva de la Concepción wastewater treatment plant in Andalucía, Spain, serves 4,200 people with secondary treatment. It discharges 761.24 m³/day and operates under EU Urban Waste Water Treatment Directive.
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.
Villablanca San Silvestre is a secondary wastewater treatment plant in Villablanca, Huelva, Andalusia, Spain. It serves approximately 4,729 people with a designed capacity of 5,000 m³/day.
VALLE DE ABDALAJIS wastewater treatment plant in Valle de Abdalajís, Andalucía, Spain, serves 4,000 people with secondary treatment. It discharges 724.99 m³/day and operates under EU Urban Waste Water Treatment Directive standards.
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.
TOLOX wastewater treatment plant serves the town of Tolox in Andalucía, Spain, with secondary treatment for a population of 5,500. It discharges approximately 997 m³/day and has a designed capacity of 4,922 m³/day.
Tabernas wastewater treatment plant in Andalucía, Spain, serves 4,100 people with secondary treatment. It discharges 743.11 m³/day and is located inland, contributing to the local water cycle.
Colmenar wastewater treatment plant serves the town of Colmenar in Andalucía, Spain, with secondary treatment. It treats wastewater for a population of 3,267 and discharges 592.14 cubic meters per day.
Setenil de las Bodegas wastewater treatment plant serves the town of Setenil de las Bodegas in Andalucía, Spain. It provides secondary treatment for a population of 5,000.
SAN JOSE secondary treatment plant serves 5,000 people in Níjar, Almería, Spain. It discharges 906.24 m³/day of treated wastewater within 10 km of the Mediterranean coast.
ROTA wastewater treatment plant in Rota, Andalucía, Spain, serves approximately 50,177 people with secondary treatment. The plant has a designed capacity of 70,100 m³/day and discharges 97.06 m³/day of treated wastewater near the coast.
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.
Puente Esuri wastewater treatment plant serves the Costa Esuri area of Ayamonte, Andalucía, Spain. It provides secondary treatment for a population of 4,025 and discharges 729.52 m³/day.
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.
UtilityRadar indexes 2117 wastewater treatment plants in Spain, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, ROTA has the highest designed capacity at 70,100 m3/day.