2,117 plants indexed. Showing 143 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.
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.
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.
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.
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.
FONT DE SA CALA is an advanced wastewater treatment plant in sa Pedruscada, Illes Balears, Spain. Serving 2,799 people, it discharges 512.67 m³/day and has a designed capacity of 6,000 m³/day.
CANYAMEL wastewater treatment plant in Capdepera, Illes Balears, Spain, serves 2,103 people with advanced treatment. It discharges 747.06 m³/day and is located within 10 km of the coast.
Campanet wastewater treatment plant in Illes Balears, Spain, serves 2,751 people with advanced treatment. It discharges 768.27 m³/day and has a designed capacity of 4,000 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.
DEIA wastewater treatment plant serves Deià in the Balearic Islands, Spain, with advanced treatment for a population of 1,456. It discharges treated water near the coast of the Serra de Tramuntana.
Valldemosa wastewater treatment plant in Valldemossa, Illes Balears, Spain, serves 2,059 people with advanced treatment. It discharges 334.13 m³/day and is located within 10 km of the coast.
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.
SANTANYI wastewater treatment plant in Cala Santanyí, Illes Balears, Spain, serves 3,539 people with advanced treatment. It discharges 626.68 m³/day and has a designed capacity of 17,500 m³/day.
CALA FERRERA is an advanced wastewater treatment plant in Felanitx, Illes Balears, Spain, serving 4,539 people with a designed capacity of 6,000 m³/day and a discharge volume of 876.89 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, SANTANYI has the highest designed capacity at 17,500 m3/day.