2,117 plants indexed.
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.
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.
GATA DE GORGOS wastewater treatment plant serves Dénia, Comunitat Valenciana, Spain. It provides secondary treatment for a population of 6,476 and discharges treated water near the Mediterranean coast.
FUENTERROBLES wastewater treatment plant serves the municipality of Fuenterrobles in Comunitat Valenciana, Spain. It provides secondary treatment for a population of 2,014 and has a designed capacity of 4,000 m³/day.
Font de la Figuera wastewater treatment plant serves the municipality of la Font de la Figuera in Comunitat Valenciana, Spain. It provides secondary treatment for a population of 6,192.
Finestrat wastewater treatment plant serves 2,626 people in the Marina Baixa region of Alicante, Spain. It provides advanced treatment and discharges treated water near the Mediterranean coast.
FAVARA wastewater treatment plant serves Favara, Comunitat Valenciana, Spain. It provides secondary treatment for a population of 2,713 and has a designed capacity of 3,000 m³/day.
ELX CARRIZALES is an advanced wastewater treatment plant in Elx/Elche, Comunitat Valenciana, Spain. It serves a population of 5,824 and has a designed capacity of 23,333 m³/day, with a discharge volume of 865.05 m³/day.
DOS AGUAS is a secondary wastewater treatment plant serving 583 people in Dos Aguas, Comunitat Valenciana, Spain. It has a designed capacity of 2,000 m³/day and discharges 75.83 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.
COFRENTES BALNEARIO is a secondary wastewater treatment plant in Cofrentes, Comunitat Valenciana, Spain. It serves a population of 1,316 with a designed capacity of 2,000 m³/day and an average discharge volume of 74.57 m³/day.
Cinctorres wastewater treatment plant serves the municipality of Cinctorres in Comunitat Valenciana, Spain. It provides secondary treatment for a population of 867, discharging 117.84 cubic meters per day.
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.
POBLETS VERGER is an advanced wastewater treatment plant serving els Poblets in Comunitat Valenciana, Spain. It treats wastewater from a population of 2,815 with a designed capacity of 4,825 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.
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.
CHULILLA wastewater treatment plant serves the municipality of Chulilla in Comunitat Valenciana, Spain. It provides secondary treatment for a population of 4,634 and has a designed capacity of 2,000 m³/day.
CHERA wastewater treatment plant serves Chera, Comunitat Valenciana, Spain. It provides secondary treatment for a population of 1,818 with a designed capacity of 2,725 m³/day.
CHELVA wastewater treatment plant serves Chelva, Comunitat Valenciana, Spain. It provides secondary treatment for a population of 2,413 and discharges 520.41 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.