2,117 plants indexed. Showing 1,527 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.
Grazalema wastewater treatment plant serves the town of Grazalema in Andalusia, Spain, treating wastewater for approximately 3,700 residents with secondary treatment.
GAUCIN wastewater treatment plant serves Gaucín, Andalucía, Spain. It provides secondary treatment for a population of 3,000, with a designed capacity of 3,000 m³/day.
GASTOR EL is a secondary wastewater treatment plant serving El Gastor in Andalucía, Spain. It treats wastewater for approximately 3,000 residents with a designed capacity of 3,000 m³/day.
GALAROZA wastewater treatment plant serves the town of Galaroza in Andalucía, Spain, treating wastewater for approximately 2,625 residents with secondary treatment.
FUENTE OBEJUNA wastewater treatment plant serves the town of Fuente Obejuna in Andalucía, Spain. It provides secondary treatment for a population of 3,017 and has a designed capacity of 11,000 m³/day.
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.
FINANA wastewater treatment plant serves Fiñana, Almería, Andalucía, Spain. It provides secondary treatment for a population of 2,800 and has a designed capacity of 2,800 m³/day.
ESPIEL wastewater treatment plant in Espiel, Andalucía, Spain, serves a population of 2,079 with secondary treatment. It discharges 376.81 m³/day and has a designed capacity of 2,424 m³/day.
El Ronquillo wastewater treatment plant serves the town of El Ronquillo in Andalucía, Spain. It provides secondary treatment for a population of 2,591 and discharges treated water into the local environment.
El Burgo wastewater treatment plant in Andalucía, Spain, serves 2,500 people with secondary treatment. It discharges 453.12 m³/day into the local watershed, supporting the Sierra de las Nieves region.
Cumbres Mayores wastewater treatment plant in Andalucía, Spain, serves a population of 3,004 with secondary treatment. It discharges 544.47 m³/day of treated effluent, operating under EU Urban Waste Water Treatment Directive standards.
CULLAR wastewater treatment plant serves Cúllar, Granada, Andalucía, Spain. It provides secondary treatment for a population of 3,500 with a designed capacity of 5,000 m³/day.
CUEVAS DEL CAMPO wastewater treatment plant serves 1,800 people in Cuevas del Campo, Andalucía, Spain. It provides secondary treatment and has a designed capacity of 3,500 m³/day.
Cortes de Baza wastewater treatment plant serves the municipality of Cortes de Baza in Andalucía, Spain. It provides secondary treatment for a population of 2,924 and has a designed capacity of 2,000 m³/day.
ALBOX NUEVA is a secondary wastewater treatment plant serving Albox, Andalucía, Spain. It treats wastewater for approximately 5,500 people with a designed capacity of 11,000 m³/day.
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.
Abrucena wastewater treatment plant serves the municipality of Abrucena in Almería, Andalucía, Spain. It provides secondary treatment for a population of 2,386.
ABLA wastewater treatment plant in Abla, Andalucía, Spain, serves a population of 2,237 with secondary treatment. It discharges 405.45 m³/day and has a designed capacity of 2,680 m³/day.
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.
CONSELL wastewater treatment plant serves Consell in Illes Balears, Spain, with secondary treatment for a population of 4,344. It discharges 580.16 m³/day of treated wastewater, with a designed capacity of 2,650 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, FUENTE OBEJUNA has the highest designed capacity at 11,000 m3/day.