2,117 plants indexed. Showing 675 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.
SOLIVELLA wastewater treatment plant serves the small population of Solivella in Catalunya, Spain. It provides advanced treatment and discharges a relatively low volume of treated water.
Santa Coloma de Queralt wastewater treatment plant serves 2,168 people in Catalonia, Spain. It provides secondary treatment and discharges 929.13 m³/day of treated effluent.
Santa Barbara wastewater treatment plant serves Santa Bàrbara, Catalunya, Spain, treating municipal wastewater for 4,086 people. The secondary treatment plant has a designed capacity of 5,200 m³/day and discharges 532.10 m³/day.
Sant Llorenç Savall wastewater treatment plant serves 1,875 people in Sant Llorenç Savall, Catalunya, Spain. It provides secondary treatment with a designed capacity of 3,000 m³/day and discharges 515.90 m³/day.
Sant Llorenç d'Hortons wastewater treatment plant serves the town of Sant Llorenç d'Hortons in Catalunya, Spain. It provides secondary treatment for a population of 1,561.
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.
Riudellots de la Selva wastewater treatment plant in Catalunya, Spain, serves 4,282 people with advanced treatment. It discharges 955.84 cubic meters per day into the local watershed.
RIELLS I VIABREA is a secondary wastewater treatment plant in Can Salvà, Catalunya, Spain. It serves a population of 2,019 and has a designed capacity of 8,640 m³/day.
QUART is a secondary wastewater treatment plant serving Girona, Spain. It treats wastewater from a population of 3,802 and discharges 654.93 cubic meters per day.
PRADES wastewater treatment plant serves the town of Prades in Catalunya, Spain. It provides secondary treatment for a population of 1,543 and has a designed capacity of 3,960 m³/day.
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.
Matadepera wastewater treatment plant serves 2,500 people in Catalunya, Spain, with secondary treatment. It discharges 671.84 m³/day and has a designed capacity of 8,125 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.
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.