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.
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.
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.
FUENTE DE PIEDRA II is an advanced wastewater treatment plant serving 2,000 people in Fuente de Piedra, Andalucía, Spain. It discharges 362.49 cubic meters of treated wastewater daily.
ALANIS wastewater treatment plant in Alanís, Andalucía, Spain, serves a population of 3,383 with advanced treatment. It discharges 613.16 cubic meters of treated wastewater, supporting local water quality.
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.
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.
VILAFRANCA wastewater treatment plant serves Vilafranca de Bonany in the Illes Balears, Spain. It provides advanced treatment for a population of 3,435 and has a designed capacity of 3,000 m³/day.
SELVA wastewater treatment plant serves the town of Selva in the Balearic Islands, Spain. It provides advanced treatment for a population of 2,043 and has a designed capacity of 3,000 m³/day.
Santa Maria wastewater treatment plant serves Consell in the Balearic Islands, Spain. It provides advanced treatment for a population of 5,152, with a designed capacity of 5,000 m³/day.
PINOSO is an advanced wastewater treatment plant serving el Pinós / Pinoso in Comunitat Valenciana, Spain. It treats wastewater for approximately 14,943 people with a designed capacity of 11,475 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, PAJANOSAS LAS has the highest designed capacity at 14,400 m3/day.