2,117 plants indexed. Showing 290 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.
MIGJORN GRAN is an advanced wastewater treatment plant in es Migjorn Gran, Menorca, Spain. It serves a population of 2,508 and has a designed capacity of 5,500 m³/day, discharging 529.18 m³/day.
CIUTADELLA NORTE is an advanced wastewater treatment plant in Ciutadella, Menorca, Spain. It serves approximately 14,392 people with a designed capacity of 15,000 m³/day and discharges 980.17 m³/day.
Cala Galdana wastewater treatment plant in Ciutadella, Menorca, Spain, serves 2,156 people with advanced treatment. It discharges 995.10 m³/day and has a designed capacity of 4,000 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.
Santa Margarita advanced wastewater treatment plant serves Santa Margalida, Illes Balears, Spain. It treats wastewater from a population of 2,967 with a design capacity of 4,500 m³/day and discharges 827.25 m³/day.
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.
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.
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.
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.
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.
BENILLOBA wastewater treatment plant serves Benilloba in Comunitat Valenciana, Spain. It provides advanced treatment for a population of 1,182, with a designed capacity of 2,500 m³/day.
BENIJOFAR wastewater treatment plant serves Formentera del Segura in Comunitat Valenciana, Spain. It provides advanced treatment for a population of 4,758 and has a designed capacity of 6,600 m³/day.
BENIARRES wastewater treatment plant serves Beniarrés, Comunitat Valenciana, Spain. It provides advanced treatment for a population of 2,598 with a designed capacity of 2,000 m³/day.
Beniarbeig wastewater treatment plant serves the town of Beniarbeig in Comunitat Valenciana, Spain, with advanced treatment for a population of 3,592. It discharges treated water near the Mediterranean coast.
BENFERRI Y LA MURADA is an advanced wastewater treatment plant serving Benferri in the Comunitat Valenciana, Spain. It treats wastewater for approximately 9,545 people with a designed capacity of 9,825 m³/day.
BENEIXIDA is an advanced wastewater treatment plant in Beneixida, Comunitat Valenciana, Spain, serving a population of 561. It has a designed capacity of 2,406 m³/day and discharges 146.05 m³/day of treated effluent.
AIELO DE MALFERIT is an advanced wastewater treatment plant serving l'Olleria in Comunitat Valenciana, Spain. It treats wastewater for approximately 5,406 people with a designed capacity of 3,542 m³/day.
AGOST wastewater treatment plant serves Agost, Comunitat Valenciana, Spain. It provides advanced treatment and discharges treated water near the Mediterranean coast.
UtilityRadar indexes 2117 wastewater treatment plants in Spain, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, ELX CARRIZALES has the highest designed capacity at 23,333 m3/day.