2,117 plants indexed. Showing 483 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.
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.
Alcalà de Xivert wastewater treatment plant in Comunitat Valenciana, Spain, serves 4,221 people with advanced treatment. It discharges 936.15 m³/day and is located within 10 km of the Mediterranean coast.
Sant Jaume dels Domenys Cornudella is a secondary wastewater treatment plant in Sant Jaume dels Domenys, Catalunya, Spain, serving a population of 1,382. It discharges treated water near the Mediterranean coast.
Riudoms wastewater treatment plant serves the town of Riudoms in Catalunya, Spain, with secondary treatment. It discharges treated effluent near the Mediterranean coast, supporting local water quality.
PORTBOU is an advanced wastewater treatment plant in Portbou, Catalunya, Spain, serving 1,145 people. It discharges 227.88 m³/day of treated wastewater near the Mediterranean coast.
PORT DE LA SELVA EL is an advanced wastewater treatment plant in el Port de la Selva, Catalunya, Spain. It serves a population of 1,298 and discharges treated water near the Mediterranean coast.
MONT ROIG DEL CAMP POBLE is a secondary wastewater treatment plant in Mont-roig del Camp, Catalunya, Spain. It serves a population of 3,628 and discharges 750 m³/day, with a designed capacity of 6,250 m³/day.
Montbrió del Camp wastewater treatment plant in Catalunya, Spain, serves 1,451 people with secondary treatment. It discharges 352.04 m³/day and has a designed capacity of 3,424 m³/day.
LLORENC DEL PENEDES is a secondary wastewater treatment plant in Banyeres del Penedès, Catalunya, Spain, serving 1,881 people with a designed capacity of 3,000 m³/day. It discharges treated water near the Mediterranean coast.
L'Hospitalet de l'Infant wastewater treatment plant in Vandellòs i l'Hospitalet de l'Infant, Catalunya, Spain, serves a population of 3,415 with secondary treatment. It discharges 987.89 m³/day of treated wastewater near the Mediterranean coast.
L'Arboç Gornal secondary treatment plant serves l'Arboç, Catalunya, Spain. It discharges treated wastewater near the Mediterranean coast, with a design capacity of 8,233 m³/day.
L'AMPOL·LA wastewater treatment plant serves the coastal town of l'Ampolla in Catalunya, Spain, with advanced treatment for a population of 3,876. It discharges 911.26 m³/day and has a designed capacity of 16,000 m³/day.
L'Ametlla de Mar wastewater treatment plant in Catalonia, Spain, serves about 5,800 residents with secondary treatment. It discharges treated effluent near the Mediterranean coast.
LA SELVA DEL CAMP wastewater treatment plant serves 2,915 people in la Selva del Camp, Catalunya, Spain. It provides secondary treatment and discharges 600 m³/day, operating under EU Urban Waste Water Treatment Directive.
EL PERELLO wastewater treatment plant serves the municipality of el Perelló in Catalunya, Spain. It provides advanced treatment for a population of 2,697 and is located within 10 km of the coast.
CAN MASSUET EL FAR is an advanced wastewater treatment plant serving Can Massuet del Far i el Far in Catalunya, Spain. It treats wastewater for a population of 1,786 and discharges 480.48 m³/day.
CAMARLES wastewater treatment plant in Camarles, Catalunya, Spain, serves 1,949 people with advanced treatment. It discharges 399.67 m³/day and is located within 10 km of the coast.
UtilityRadar indexes 2117 wastewater treatment plants in Spain, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, L HOSPITALET DE L INFANT has the highest designed capacity at 17,188 m3/day.