2,117 plants indexed. Showing 583 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.
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.
ROSSELLO wastewater treatment plant serves Rosselló, Catalunya, Spain, treating municipal wastewater for a population of 2,268. It operates with secondary treatment and has a designed capacity of 4,000 m³/day.
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.
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.
RIALP wastewater treatment plant serves the town of Rialp in Catalonia, Spain. It provides secondary treatment for a population of 318 and discharges treated water into the local watershed.
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.
PUIG REIG is a secondary wastewater treatment plant serving Puig-reig, Catalunya, Spain. It treats wastewater for a population of 2,546 with a designed capacity of 8,538 m³/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.
Ponts wastewater treatment plant serves the town of Ponts in Catalunya, Spain, with secondary treatment for a population of 4,676. The plant has a designed capacity of 3,300 m³/day and discharges 565.22 m³/day of treated effluent.
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.
LES wastewater treatment plant serves the town of Les in Val d'Aran, Catalunya, Spain. It provides secondary treatment for a population of 1,030 and discharges 943.63 cubic meters of treated wastewater daily.
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'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 SENIA wastewater treatment plant serves la Sénia, Catalunya, Spain. It provides secondary treatment for a population of 5,785 and has a designed capacity of 8,750 m³/day.
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.
HOSTALETS DE PIEROLA ELS is a secondary wastewater treatment plant serving 764 people in els Hostalets de Pierola, Catalunya, Spain. It discharges 180.78 m³/day and operates under EU Urban Waste Water Treatment Directive standards.
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.