2,117 plants indexed. Showing 206 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.
CALVIA wastewater treatment plant in Calvià, Illes Balears, Spain, serves a population of 1,996 with secondary treatment. It discharges 473.88 m³/day and is located within 10 km of the coast.
COLONIA SANT PERE is a secondary wastewater treatment plant serving 1,926 people in Colònia de Sant Pere, Illes Balears, Spain. It discharges treated water near the coast of Mallorca.
SANT ELM is a secondary wastewater treatment plant in Sant Elm, Illes Balears, Spain, serving 740 people with a discharge volume of 146.11 units and a designed capacity of 5883.00 units.
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.
Son Serra de Marina wastewater treatment plant serves 1,040 people in Santa Margalida, Mallorca, Spain. It provides secondary treatment and is located within 10 km of the coast.
FORMENTOR wastewater treatment plant in Pollença, Illes Balears, Spain, serves a small population of 88 with secondary treatment. It discharges 81.64 m³/day and is located within 10 km of the coast.
LLUBI wastewater treatment plant in Llubí, Illes Balears, Spain, provides secondary treatment for a population of 5,103. The plant discharges 282.54 m³/day and is located within 10 km of the coast.
CALA SANT VICENC wastewater treatment plant serves Sant Joan de Labritja, Illes Balears, Spain. It provides secondary treatment for a population of 1,098 and discharges 120.02 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.
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.
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.
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.
CERVERA DEL MAESTRE wastewater treatment plant in Cervera del Maestre, Comunitat Valenciana, Spain, serves 1,098 people with secondary treatment and a designed capacity of 2,025 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.
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.