2,117 plants indexed. Showing 583 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.
Alcuéscar wastewater treatment plant serves the town of Alcuéscar in Extremadura, Spain, providing secondary treatment for a population of 5,400. It discharges treated water into the local watershed.
ALCANTARA wastewater treatment plant serves Alcántara, Extremadura, Spain. It provides secondary treatment for a population of 4,600.
ZARZA LA MAYOR wastewater treatment plant serves the town of Zarza la Mayor in Extremadura, Spain. It provides secondary treatment for a population of 3,200 and has a designed capacity of 2,600 m³/day.
Zarza de Montánchez wastewater treatment plant in Extremadura, Spain, serves 2,200 people with secondary treatment. It discharges 398.74 m³/day of treated effluent into local watercourses.
CILLEROS wastewater treatment plant in Cilleros, Extremadura, Spain, serves 4,200 people with secondary treatment. It has a designed capacity of 3,700 m³/day and discharges 761.24 m³/day.
Ceclavín wastewater treatment plant in Extremadura, Spain serves approximately 5,000 people with secondary treatment, discharging 906.24 m³/day into the local watershed.
Higuera de Vargas wastewater treatment plant serves 3,300 people in Extremadura, Spain. It provides secondary treatment and has a designed capacity of 3,360 m³/day.
L Aldea wastewater treatment plant serves Deltebre, Catalunya, Spain, treating municipal wastewater for a population of 2,232. It operates with secondary treatment and has a designed capacity of 6,400 m³/day.
Piornal wastewater treatment plant serves the town of Piornal in Extremadura, Spain, providing secondary treatment for a population of 2,500. The plant has a designed capacity of 2,544 m³/day and discharges 453.12 m³/day.
Pinofranqueado wastewater treatment plant serves 3,100 people in Extremadura, Spain. It operates with secondary treatment and has a designed capacity of 5,000 m³/day.
LA PESGA wastewater treatment plant serves the town of La Pesga in Extremadura, Spain. It provides secondary treatment for a population of 3,200, discharging 579.99 cubic meters of treated wastewater daily.
Perales del Puerto wastewater treatment plant serves the town of Perales del Puerto in Extremadura, Spain. It provides secondary treatment for a population of 2,400.
ARROYO DE SAN SERVAN wastewater treatment plant serves Arroyo de San Serván, Extremadura, Spain. It provides secondary treatment for a population of 4,200 with a designed capacity of 8,000 m³/day.
Alconchel wastewater treatment plant serves the town of Alconchel in Extremadura, Spain, providing secondary treatment for a population of approximately 2,462.
La Albuera wastewater treatment plant in Extremadura, Spain serves 2,200 people with secondary treatment. It discharges 398.74 m³/day and has a designed capacity of 4,000 m³/day.
ALANGE wastewater treatment plant in La Zarza, Extremadura, Spain, serves 4,300 people with secondary treatment. It discharges 779.36 m³/day and has a designed capacity of 6,000 m³/day.
AHILLONES wastewater treatment plant serves Ahillones, Extremadura, Spain, with secondary treatment for a population of 2,200. It has a designed capacity of 4,000 m³/day and discharges 398.74 m³/day.
NUNOMORAL wastewater treatment plant serves the municipality of Nuñomoral in Extremadura, Spain. It provides secondary treatment for a population of 3,400 with a designed capacity of 5,000 m³/day.
NAVAS DEL MADRONO wastewater treatment plant serves the town of Navas del Madroño in Extremadura, Spain. It provides secondary treatment for a population of 2,800 and has a designed capacity of 2,796 m³/day.
NAVACONCEJO wastewater treatment plant serves the town of Navaconcejo in Extremadura, Spain. It provides secondary treatment for a population of 3,500 with a designed capacity of 3,500 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, ARROYO DE SAN SERVAN has the highest designed capacity at 8,000 m3/day.