2,117 plants indexed. Showing 2,025 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.
Elche de la Sierra wastewater treatment plant serves 7,873 people in Castilla-La Mancha, Spain, with advanced treatment. It discharges 749 m³/day into the Segura River basin, supporting local water quality.
AGUDO_LAS CANADILLAS is a secondary treatment plant serving Agudo, Castilla-La Mancha, Spain.
YESTE wastewater treatment plant in Yeste, Castilla-La Mancha, Spain, serves 3,500 people with advanced treatment. It discharges 418.00 cubic meters of treated wastewater, supporting local water quality in the Segura River basin.
VILLAMALEA wastewater treatment plant in Villamalea, Castilla-La Mancha, Spain, serves approximately 11,288 people with advanced treatment.
Villalgordo del Júcar wastewater treatment plant in Castilla-La Mancha, Spain, serves about 3,000 residents with advanced treatment. It discharges 284 cubic meters of treated water daily into the Júcar River basin.
Valdeganga wastewater treatment plant serves the municipality of Valdeganga in Castilla-La Mancha, Spain. It provides advanced treatment for a population of approximately 3,000.
Socovos Tazona is an advanced wastewater treatment plant serving Socovos, Castilla-La Mancha, Spain. It treats wastewater for approximately 4,150 residents with a discharge volume of 382 cubic meters.
RIOPAR is an advanced wastewater treatment plant serving the small municipality of Riópar in Castilla-La Mancha, Spain. It discharges 206.58 cubic meters of treated water daily, supporting local water quality in the Segura River basin.
MINAYA is an advanced wastewater treatment plant in Minaya, Castilla-La Mancha, Spain, serving approximately 3,000 people. It discharges 269.00 cubic meters of treated wastewater, supporting local water quality.
LIETOR wastewater treatment plant serves Liétor in Castilla-La Mancha, Spain, providing advanced treatment for a population of 3,090. It discharges 763.00 cubic meters of treated wastewater daily.
LETUR wastewater treatment plant serves the town of Letur in Castilla-La Mancha, Spain. It provides advanced treatment for a population of 2,225 and discharges 458 cubic meters of treated water daily.
CASAS IBANEZ is an advanced wastewater treatment plant serving Casas-Ibáñez, Castilla-La Mancha, Spain. It treats municipal wastewater for a population of 13,429, discharging 927.00 cubic meters per day.
CASAS DE VES wastewater treatment plant serves the municipality of Casas de Ves in Castilla-La Mancha, Spain. It provides secondary treatment for a population of 2,600, discharging 424 cubic meters of treated wastewater daily.
Pozohondo wastewater treatment plant serves the town of Pozohondo in Castilla-La Mancha, Spain, with advanced treatment for a population of 2,484. It discharges 237.75 cubic meters of treated wastewater daily.
Pozo Cañada wastewater treatment plant serves the town of Pozo Cañada in Castilla-La Mancha, Spain, providing secondary treatment for a population of 4,462.
OSSA DE MONTIEL is an advanced wastewater treatment plant serving Ossa de Montiel, Castilla-La Mancha, Spain. It treats wastewater for a population of 5,833 with a discharge volume of 989.00.
NERPIO wastewater treatment plant serves the town of Nerpio in Castilla-La Mancha, Spain, with advanced treatment for a population of 2,100. It discharges 378 m³/day of treated water into the local watershed.
POZUELO DE CALATRAVA wastewater treatment plant in Ciudad Real, Castilla-La Mancha, Spain, serves 3,000 people with advanced treatment, discharging 688 m³/day.
SERRADA wastewater treatment plant serves La Seca in Castilla y León, Spain, treating municipal wastewater for a population of 3,000 with secondary treatment.
LA SECA wastewater treatment plant serves the municipality of La Seca in Castilla y León, Spain, with secondary treatment for a population of 3,000. It discharges 256.03 cubic meters of treated wastewater daily.
UtilityRadar indexes 2117 wastewater treatment plants in Spain, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, SERRADA has the highest designed capacity at 3,000 m3/day.