2,117 plants indexed. Showing 290 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.
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.
ESTERRI D NEU is an advanced wastewater treatment plant in Esterri d'Àneu, Catalunya, Spain, serving 547 people. It discharges 899.30 m³/day and has a designed capacity of 3,300 m³/day.
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.
CERCS wastewater treatment plant in Cercs, Catalunya, Spain, serves a small population of 1,289 with advanced treatment. It discharges 566.53 cubic meters of treated wastewater, supporting local water quality in the Llobregat basin.
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.
CARDONA is an advanced wastewater treatment plant in Cardona, Catalunya, Spain, serving a population of 2,754. It discharges 611.33 m³/day of treated water into the local environment.
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.
CALAF wastewater treatment plant serves Calaf, Catalunya, Spain, with advanced treatment for a population of 1,795. It discharges 803.00 cubic meters of treated wastewater daily.
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.
Artesa de Segre wastewater treatment plant in Catalunya, Spain, serves 2,967 people with advanced treatment. It discharges 532.05 m³/day and has a designed capacity of 3,203.00 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.
PERALADA is an advanced wastewater treatment plant in Peralada, Catalunya, Spain. Serving approximately 2,908 people, it has a designed capacity of 4,002 m³/day and discharges 413.29 m³/day.
Bescanó wastewater treatment plant in Catalonia, Spain serves 2,592 people with advanced treatment. It discharges 493.57 m³/day and has a designed capacity of 3,430 m³/day.
BESALU wastewater treatment plant serves Besalú, Catalunya, Spain. It provides advanced treatment for a population of 1,599, with a designed capacity of 3,510 m³/day.
BATEA is an advanced wastewater treatment plant serving 2,311 people in Batea, Catalonia, Spain. It discharges 341.34 cubic meters of treated water daily, with a designed capacity of 3,700 cubic meters per day.
SALVATIERRA DE LOS BARROS is an advanced wastewater treatment plant in La Parra, Extremadura, Spain, serving a population of 5,000. It discharges 906.24 cubic meters of treated wastewater daily.
Valdelacalzada wastewater treatment plant serves 3,500 people in Extremadura, Spain, with advanced treatment. It discharges 634.37 m³/day and operates under EU Urban Waste Water Treatment Directive standards.
Peraleda de la Mata wastewater treatment plant in Extremadura, Spain, serves 4,700 people with advanced treatment. It discharges 851.86 cubic meters daily, protecting local water resources.
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.