2,117 plants indexed. Showing 1,594 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.
BELALCAZAR NUEVA is a secondary wastewater treatment plant serving Belalcázar, Andalucía, Spain. It treats wastewater for a population of approximately 5,195 with a designed capacity of 5,195 m³/day.
BEDMAR wastewater treatment plant serves Bedmar y Garcíez in Andalucía, Spain, with secondary treatment for a population of 4,300. The plant has a designed capacity of 4,300 m³/day and discharges 779.36 m³/day.
Baños de la Encina wastewater treatment plant serves the town of Baños de la Encina in Andalucía, Spain. It provides secondary treatment for a population of 3,287.
ARROYO DEL OJANCO is a secondary wastewater treatment plant serving Segura de la Sierra, Andalucía, Spain. It treats wastewater for a population of 2,748 with a designed capacity of 2,748 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.
ANORA DOS TORRES wastewater treatment plant serves Dos Torres in Andalucía, Spain, with secondary treatment for a population of 4,160. It discharges 753.99 cubic meters of treated wastewater daily.
Zalamea la Real wastewater treatment plant in Andalucía, Spain, serves 3,210 people with secondary treatment. It discharges 581.80 m³/day and has a designed capacity of 4,600 m³/day.
Zahara de la Sierra wastewater treatment plant serves 2,400 people in Algodonales, Andalucía, Spain. It provides secondary treatment and has a designed capacity of 2,500 m³/day.
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.
VISO VILLARALTO wastewater treatment plant serves El Viso, Córdoba, Andalucía, Spain. It provides secondary treatment for a population of 3,219 and has a designed capacity of 4,000 m³/day.
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 REINA wastewater treatment plant in Andalucía, Spain, serves 5,000 people with secondary treatment. It discharges 906.24 cubic meters daily, operating under EU Urban Waste Water Treatment Directive standards.
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.
VILLANUEVA DE ALGAIDAS wastewater treatment plant serves the municipality of Villanueva de Algaidas in Andalucía, Spain. It provides secondary treatment for a population of 5,279.
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.
VELEZ RUBIO wastewater treatment plant serves Vélez-Rubio, Andalucía, Spain, with secondary treatment. Designed for 10,000 m³/day, it processes a daily volume of 718.28 m³ for a population of 3,963.
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.
UtilityRadar indexes 2117 wastewater treatment plants in Spain, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, VELEZ RUBIO has the highest designed capacity at 10,000 m3/day.