2,117 plants indexed. Showing 169 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.
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.
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.
PORT DE SANT MIQUEL is an advanced wastewater treatment plant serving 1,178 people in Sant Joan de Labritja, Illes Balears, Spain. It discharges treated water near the coast of Ibiza.
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.
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.
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.
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.
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.
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.
CALIG wastewater treatment plant serves Càlig, Comunitat Valenciana, Spain. This secondary treatment facility handles a population of 2,192 and discharges 252.95 m³/day.
BENITATXELL wastewater treatment plant serves el Poble Nou de Benitatxell in Comunitat Valenciana, Spain. It provides secondary treatment for a population of 4,090 and discharges 447.60 m³/day of treated effluent.
BENIFAIRO DE LA VALLDIGNA wastewater treatment plant serves Benifairó de la Valldigna, Spain, with secondary treatment for a population of 7,470. Located within 10 km of the coast, it discharges treated effluent into the Mediterranean Sea.
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.
AGOST wastewater treatment plant serves Agost, Comunitat Valenciana, Spain. It provides advanced treatment and discharges treated water near the Mediterranean coast.
ROJALES DONA PEPA is an advanced wastewater treatment plant in Rojales, Comunitat Valenciana, Spain, serving a population of 3,965. It discharges treated water near the Mediterranean coast.
ALCALA DE XIVERT CAP ICORP is a closed secondary treatment plant in Alcalà de Xivert, Comunitat Valenciana, Spain. It served 2,274 people with a designed capacity of 2,500 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, ELX CARRIZALES has the highest designed capacity at 23,333 m3/day.