2,117 plants indexed. Showing 804 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.
ALGORFA BENEJUzAR wastewater treatment plant serves Almoradí in Comunitat Valenciana, Spain. It treats wastewater for approximately 10,973 people under the EU Urban Waste Water Treatment Directive.
ALFARRASI wastewater treatment plant serves Montaverner in Comunitat Valenciana, Spain, with a population equivalent of 26,400. The plant has a designed capacity of 1.00 million cubic meters per year.
VILANOVA DEL VALLES wastewater treatment plant serves Vilanova del Vallès, Catalunya, Spain. It is an inland facility with a designed capacity of 1.00 cubic meters per day, serving a population of 13,971.
VILAFRANCA DEL PENEDES wastewater treatment plant serves Vilafranca del Penedès, Catalunya, Spain, with a designed capacity of 1.00 m³/s and a population equivalent of 62,190.
VILADECAVALLS EST is a wastewater treatment plant serving Viladecavalls, Catalunya, Spain. It serves a population of 3,748 and has a designed capacity of 1.00 (units unspecified).
VIELHA E MIJARAN wastewater treatment plant serves the Val d'Aran region in Catalunya, Spain. It treats municipal wastewater for a population of approximately 6,342, discharging into local water bodies.
VIC wastewater treatment plant serves Vic, Catalunya, Spain, with a population equivalent of 126,325. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations over 15,000 PE.
VALLS wastewater treatment plant serves the municipality of Valls in Catalonia, Spain. It has a designed capacity of 1.00 and serves a population of 13,143.
VALLBONA D ANOIA CAPELLADES is a wastewater treatment plant serving Vallbona d'Anoia, Catalunya, Spain. It serves a population of approximately 24,679 and has a designed capacity of 1.00 cubic meters.
VALL DEL GES TORELLO is a wastewater treatment plant serving Torelló, Catalunya, Spain. It serves a population of approximately 14,551 and operates under the EU Urban Waste Water Treatment Directive.
ULLDECONA wastewater treatment plant serves Ulldecona, Catalunya, Spain, with a designed capacity of 1.00. It is located within 50 km of the coast and serves a population of 4,037.
TREMP wastewater treatment plant serves Talarn in Catalunya, Spain, with a population equivalent of 3,573. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this size.
TORTOSA ROQUETES wastewater treatment plant serves Tortosa, Catalunya, Spain, with a population of 31,916. The plant has a designed capacity of 1.00 (units unspecified) and operates under EU Urban Waste Water Treatment Directive standards.
Torres de Segre wastewater treatment plant serves the municipality of Torres de Segre in Catalunya, Spain. It treats wastewater from a population of approximately 2,724 people.
TORDERA wastewater treatment plant serves the town of Tordera in Catalunya, Spain, with a designed capacity of 1.00 and a population equivalent of 10,261. It operates under the EU Urban Waste Water Treatment Directive.
TONA wastewater treatment plant serves the municipality of Tona in Catalunya, Spain. The facility has a designed capacity of 1.00 and serves a population of approximately 6,908.
TARREGA wastewater treatment plant serves Tàrrega, Catalunya, Spain, treating wastewater for approximately 24,250 residents. It operates under EU Urban Waste Water Treatment Directive 91/271/EEC.
Taradell wastewater treatment plant serves the municipality of Taradell in Catalunya, Spain. It treats wastewater from a population of 5,510 and discharges into the local water system.
SURIA wastewater treatment plant serves Súria, a town in Catalonia, Spain. The facility treats municipal wastewater for approximately 8,400 residents, supporting local water quality in the Llobregat River basin.
SOLSONA wastewater treatment plant serves the city of Solsona in Catalunya, Spain, with a population equivalent of 8,337. The plant discharges treated effluent into the local river system, contributing to the protection of the Ebro basin.
UtilityRadar indexes 2117 wastewater treatment plants in Spain, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, ALGORFA BENEJUzAR has the highest designed capacity at 1 m3/day.