2,117 plants indexed. Showing 1,147 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.
Benalup Casas Viejas wastewater treatment plant serves the town of Benalup-Casas Viejas in Andalusia, Spain. It has a designed capacity of 1.00 cubic meters and serves a population of 11,392.
BEAS TRIGUEROS SJUAN wastewater treatment plant serves Trigueros in Andalucía, Spain, with a designed capacity of 1.00. It operates under the EU Urban Waste Water Treatment Directive.
Beas de Segura wastewater treatment plant serves approximately 8,000 residents in Andalusia, Spain. The facility operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this size.
BAZA wastewater treatment plant serves the municipality of Baza in Andalucía, Spain. It handles a population equivalent of approximately 12,000 under EU regulatory standards.
BARBATE wastewater treatment plant serves the municipality of Barbate in Andalucía, Spain, with a designed capacity of 1.00 and a population equivalent of 36,860. It operates under the EU Urban Waste Water Treatment Directive.
Balerma wastewater treatment plant serves the Balerma residential area in El Ejido, Almería, Andalucía, Spain. It is located within 50 km of the coast and serves a population of approximately 10,047.
BAILEN wastewater treatment plant serves Bailén, Andalucía, Spain, with a population of 19,000. It operates under the EU Urban Waste Water Treatment Directive.
BAEZA NUEVA wastewater treatment plant serves Baeza, Andalucía, Spain, with a population equivalent of 15,000. It operates under Spain's implementation of the EU Urban Waste Water Treatment Directive.
BAENA wastewater treatment plant serves the municipality of Baena in Andalucía, Spain. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.
The Ayamonte wastewater treatment plant serves the coastal town of Ayamonte in Andalucía, Spain, with a population equivalent of 24,648. Located near the Guadiana River estuary, it operates under EU Urban Waste Water Treatment Directive standards.
ARROYO DE LA VIBORA wastewater treatment plant serves Marbella, Spain, with a designed capacity of 1.00 m³/s. It is located in Andalucía, near the Costa del Sol, and discharges into the Mediterranean Sea.
ARROYO DE LA MIEL wastewater treatment plant serves over 106,000 people in Arroyo de la Miel-Benalmádena Costa, Andalucía, Spain. Located near the Costa del Sol, it operates under EU Urban Waste Water Treatment Directive standards.
Arcos de la Frontera wastewater treatment plant serves 27,000 people in Andalusia, Spain. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.
ARCHIDONA wastewater treatment plant serves Archidona, Andalucía, Spain, with a designed capacity of 1.00 and a population of 13,073. It operates under Spain's implementation of the EU Urban Waste Water Treatment Directive.
ARACENA NUEVA is a municipal wastewater treatment plant serving Aracena in Andalucía, Spain. It handles a population of approximately 10,341 and operates under EU regulations.
ANTEQUERA wastewater treatment plant serves the city of Antequera in Andalucía, Spain, with a designed capacity of 1.00 and a population served of 51,600.
ANTAS wastewater treatment plant serves the town of Antas in Andalucía, Spain. The facility has a designed capacity of 1.00 and serves a population of 5,555.
The Andújar wastewater treatment plant serves approximately 38,000 residents in Andújar, Andalucía, Spain. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.
Villaviciosa de Córdoba wastewater treatment plant serves the town of Villaviciosa de Córdoba in Andalucía, Spain, with a population of approximately 6,533. The plant operates under Spain's implementation of the EU Urban Waste Water Treatment Directi
VILLANUEVA DEL TRABUCO wastewater treatment plant serves the town of Villanueva del Trabuco in Andalucía, Spain. It has a designed capacity of 1.00 and serves a population of 6,780.
UtilityRadar indexes 2117 wastewater treatment plants in Spain, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, BENALUP CASAS VIEJAS has the highest designed capacity at 1 m3/day.