2,117 plants indexed. Showing 250 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.
ALARO is a secondary wastewater treatment plant in Alaró, Illes Balears, Spain, serving 4,600 people. It discharges 778.29 m³/day and has a designed capacity of 9,000 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.
SANT JOAN wastewater treatment plant serves 2,027 people in Sant Joan, Mallorca, Spain. It provides secondary treatment and has a designed capacity of 2,000 m³/day.
DOMENO wastewater treatment plant serves Domeño, Comunitat Valenciana, Spain. It provides secondary treatment for a population of 818 with a designed capacity of 2000 m³/day.
The Crevillente Derramador Industrial wastewater treatment plant serves the industrial area of Crevillent, Spain, with secondary treatment for a population equivalent of 20,117. It discharges treated water into the local drainage system within the Co
COVES DE VINROMA is a secondary wastewater treatment plant serving 1,275 people in les Coves de Vinromà, Comunitat Valenciana, Spain. It discharges 405.93 m³/day of treated effluent into the local watershed.
QUATRETONDA wastewater treatment plant serves Quatretonda in Comunitat Valenciana, Spain. It provides secondary treatment for a population of 2,540, with a designed capacity of 2,916 m³/day.
POBLA DEL DUC is a secondary wastewater treatment plant serving la Pobla del Duc, Comunitat Valenciana, Spain. It treats wastewater for approximately 5,046 people with a designed capacity of 5,416 m³/day.
CAUDIEL wastewater treatment plant serves Caudiel, Comunitat Valenciana, Spain. It provides secondary treatment for a population of 1,308 and discharges 580.69 m³/day.
CATI is a secondary wastewater treatment plant serving the municipality of Catí in the Comunitat Valenciana, Spain. It has a designed capacity of 3,755 m³/day and treats wastewater for a population of approximately 3,595.
CASTELLO DE RUGAT wastewater treatment plant serves Castelló de Rugat in Comunitat Valenciana, Spain. It provides secondary treatment for a population of 3,927 and has a designed capacity of 3,750 m³/day.
CASINOS wastewater treatment plant serves Casinos, Comunitat Valenciana, Spain. It provides secondary treatment for a population of 2,194 and has a designed capacity of 10,633 m³/day.
CANET LO ROIG wastewater treatment plant serves the municipality of Canet lo Roig in Comunitat Valenciana, Spain. It provides secondary treatment for a population of 937, with a designed capacity of 2000 m³/day.
CABANES wastewater treatment plant serves the municipality of Cabanes in Comunitat Valenciana, Spain. It provides secondary treatment for a population of 3,088 and has a designed capacity of 8,333 m³/day.
BUNOL PI LLANO DE BUNOL is a secondary wastewater treatment plant in Buñol, Comunitat Valenciana, Spain, serving a population of 290. It discharges treated water into the local watershed, ultimately reaching the Mediterranean Sea.
BOCAIRENT is a secondary wastewater treatment plant serving Bocairent, Spain, with a population equivalent of 5,352. It has a designed capacity of 10,120 m³/day and discharges 693.84 m³/day of treated effluent.
BIAR wastewater treatment plant serves Biar, Comunitat Valenciana, Spain, with advanced treatment for a population of 4,349. The facility has a designed capacity of 15,000 m³/day and discharges 738.88 m³/day.
Benlloch wastewater treatment plant serves the municipality of Benlloc in Comunitat Valenciana, Spain. It provides secondary treatment for a population of 813, with a designed capacity of 2,783 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, CREVILLENTE DERRAMADOR INDUSTRIAL has the highest designed capacity at 49,333 m3/day.