2,117 plants indexed. Showing 725 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.
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.
Hostalric wastewater treatment plant in la Batllòria, Catalunya, Spain, serves 4,432 people with advanced treatment. It discharges 950.25 m³/day and has a designed capacity of 6,492 m³/day.
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.
GANDESA is an advanced wastewater treatment plant in Gandesa, Catalunya, Spain, serving a population of 3,110. It discharges 451.12 cubic meters per day and has a designed capacity of 7,540 cubic meters per day.
GALERA LA wastewater treatment plant serves la Galera, Catalunya, Spain. It provides secondary treatment for a population of 1,548 and has a designed capacity of 1,200 m³/day.
FOLGUEROLES wastewater treatment plant serves the municipality of Folgueroles in Catalunya, Spain. It provides secondary treatment for a population of 1,685 with a designed capacity of 2,500 m³/day.
FLIX is an advanced wastewater treatment plant in Flix, Catalunya, Spain, serving approximately 2,848 people. It discharges 863.12 m³/day of treated effluent and has a designed capacity of 12,928 m³/day.
FLACA is a secondary wastewater treatment plant serving the town of Flaçà in Catalunya, Spain. It treats wastewater from a population of 1,888 and discharges 342.14 cubic meters per day.
FALSET wastewater treatment plant serves the town of Falset in Catalunya, Spain. It provides secondary treatment for a population of 2,084, discharging treated water into the local watershed.
EL PONT DE VILOMARA wastewater treatment plant serves the municipality of el Pont de Vilomara i Rocafort in Catalunya, Spain. It provides advanced treatment for a population of 2,028.
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.
CARME wastewater treatment plant serves the small municipality of Carme in Catalunya, Spain. It employs advanced treatment and has a designed capacity of 4,023 m³/day, with an average discharge volume of 497.36 m³/day.
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.
ASCo is an advanced wastewater treatment plant in Ascó, Catalunya, Spain, serving a population of 1,970. It discharges 369.33 m³/day of treated effluent and has a designed capacity of 5,250 m³/day.
ALFORJA wastewater treatment plant serves the town of Alforja in Catalunya, Spain. It provides secondary treatment for a population of 959 and discharges 375.40 cubic meters per day.
ALCOVER wastewater treatment plant serves Alcover, Catalunya, Spain. It provides secondary treatment for a population of 7,525 and has a designed capacity of 5,000 m³/day.
ALCANAR LES CASES is an advanced wastewater treatment plant in Alcanar, Catalunya, Spain, serving 2,725 people. It discharges 598.14 m³/day of treated effluent and is located within 10 km of the Mediterranean coast.
ALCANAR wastewater treatment plant in Alcanar, Catalunya, Spain, serves 7,106 people with secondary treatment. It discharges 848.96 m³/day and has a designed capacity of 9,000 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, FLIX has the highest designed capacity at 12,928 m3/day.