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.
Alcalá de los Gazules wastewater treatment plant serves the town in Andalucía, Spain. It has a designed capacity of 1.00 and serves a population of 9,400.
ALAMEDA wastewater treatment plant serves Alameda, Andalucía, Spain, with a population of 7,796. It operates under EU Urban Waste Water Treatment Directive standards for small agglomerations.
AGUILAR DE LA FRONTERA wastewater treatment plant serves Aguilar de la Frontera, Córdoba, Andalucía, Spain, with a population equivalent of 9,000. The plant operates under Spain's implementation of the EU Urban Waste Water Treatment Directive.
ADAMUZ wastewater treatment plant serves the town of Adamuz in Andalucía, Spain, with a population equivalent of 6,053. The facility operates under EU Urban Waste Water Treatment Directive standards for small agglomerations.
INCA wastewater treatment plant serves Inca, Illes Balears, Spain, with a designed capacity of 1.00 and a population of 52,547. The plant operates under EU Urban Waste Water Treatment Directive standards.
BINISSALEM wastewater treatment plant serves the town of Binissalem in the Balearic Islands, Spain. It is designed for a capacity of 1.00 cubic meters per day and serves a population of 5,773.
ARTA wastewater treatment plant serves Artà, Illes Balears, Spain. Designed capacity is 1.00 volume unit, serving a population of 5,748.
FELANITX wastewater treatment plant serves Felanitx in the Illes Balears, Spain, with a population equivalent of 13,321. The facility operates under Spain's implementation of the EU Urban Waste Water Treatment Directive.
COLONIA DE SANT JORDI wastewater treatment plant serves the coastal town of Colònia de Sant Jordi in the Balearic Islands, Spain. It operates under EU regulations for small agglomerations.
FERRERIES wastewater treatment plant serves the town of Ferreries on Menorca, Balearic Islands, Spain. It is designed for a capacity of 1.00 and serves a population of 6,384.
Sant Lluís Costa Sant Lluís is a wastewater treatment plant serving 7,592 people in Sant Lluís, Menorca, Spain. Located within 50 km of the coast, it discharges into the Mediterranean Sea.
Sineu wastewater treatment plant serves the town of Sineu in the Pla de Mallorca region, Balearic Islands, Spain. It has a designed capacity of 1.00 cubic meters per day and serves a population of 7,188.
MURO wastewater treatment plant serves Muro, Illes Balears, Spain, with a designed capacity of 1.00 volume units. It supports a population of 6,541 and is located within 50 km of the coast.
FOIA DE CASTALLA is a wastewater treatment plant serving Castalla, Spain, in the Comunitat Valenciana region. It serves a population of approximately 52,969 and operates under EU regulations.
ENGUERA wastewater treatment plant serves Enguera, Comunitat Valenciana, Spain, with a population equivalent of 10,183. It operates under Spain's implementation of the EU Urban Waste Water Treatment Directive.
ES ALCOCEBRE is a closed wastewater treatment plant in Spain, serving a population of 26,228. The plant was located within 50 km of the coast, indicating potential marine discharge considerations.
The DOLORES CATRAL wastewater treatment plant serves the Catral area in Comunitat Valenciana, Spain. It treats wastewater from a population of approximately 16,229 under the EU Urban Waste Water Treatment Directive.
DENIA EL VERGER wastewater treatment plant serves Dénia, Comunitat Valenciana, Spain. It is located near the Mediterranean coast and treats wastewater for a population of 4,552.
The Crevillente Derramador Urbana wastewater treatment plant serves the municipality of Crevillent in the Comunitat Valenciana, Spain. It is designed for a capacity of 1.00 cubic meters per day and serves a population of approximately 81,486.
CORBERA LLAURI wastewater treatment plant serves Llaurí, Comunitat Valenciana, Spain. It has a designed capacity of 1.00 and serves a population of 6,784.
UtilityRadar indexes 2117 wastewater treatment plants in Spain, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, ALCALA DE LOS GAZULES has the highest designed capacity at 1 m3/day.