2,117 plants indexed. Showing 508 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.
Los Alcázares wastewater treatment plant serves 61,529 people in the Campo de Cartagena y Mar Menor region of Murcia, Spain. The facility is located within 50 km of the coast, discharging into the ecologically sensitive Mar Menor coastal lagoon.
LA UNION wastewater treatment plant serves Cartagena, Spain, in the Región de Murcia. It treats wastewater from a population of approximately 17,852 under EU regulatory standards.
The Algeciras wastewater treatment plant serves over 174,000 people in Andalucía, Spain. Located near the Port of Algeciras, it discharges into the Bay of Algeciras, part of the Mediterranean Sea.
ALGARROBO wastewater treatment plant serves Algarrobo-Costa in Andalucía, Spain, with a population equivalent of 12,247. The facility has a designed capacity of 1.00 volume units and is located within 50 km of the coast.
Cartagena Cabezo Beaza wastewater treatment plant serves over 200,000 people in Cartagena, Spain. Located in the Región de Murcia, it operates under the EU Urban Waste Water Treatment Directive.
CONIL wastewater treatment plant serves Conil de la Frontera in Andalucía, Spain. It treats wastewater for approximately 22,972 people and is located within 50 km of the coast.
CHIPIONA wastewater treatment plant serves Chipiona, Andalucía, Spain, with a population of 40,370. It operates under EU regulations for medium agglomerations.
Chiclana wastewater treatment plant serves Chiclana de la Frontera in Andalucía, Spain. It handles a population equivalent of 72,726 and is located near the Bay of Cádiz.
CASTELL DE FERRO GUALCHOS wastewater treatment plant serves El Romeral in Andalucía, Spain, with a designed capacity of 1.00 and serves a population of 9,225. It is located within 50 km of the coast.
The Carboneras wastewater treatment plant serves the coastal town of Carboneras in Andalucía, Spain. It is designed for a capacity of 1.00 unit and serves a population of 15,600.
CALAHONDA CARCHUNA wastewater treatment plant serves the Motril area in Andalucía, Spain, with a designed capacity of 1.00 and a population equivalent of 8,731. It operates under the EU Urban Waste Water Treatment Directive.
CALA DE MIJAS wastewater treatment plant serves La Cala, Mijas, in Andalucía, Spain. It treats wastewater from approximately 9,800 residents in the Costa del Sol Occidental region.
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.
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.
VERA wastewater treatment plant serves Vera, Andalucía, Spain, with a population equivalent of 15,000. The plant has a designed capacity of 1.00 m³/day and is located near the Mediterranean coast.
VELEZ MALAGA wastewater treatment plant serves Vélez-Málaga, Andalucía, Spain. It treats wastewater for over 105,000 people and is located near the coast.
VEJER DE LA FRONTERA wastewater treatment plant serves the municipality of Vejer de la Frontera in Andalucía, Spain, with a population equivalent of 16,057. It is located within 50 km of the coast, discharging into the Atlantic basin.
TORROX COSTA wastewater treatment plant serves Torrox in Andalucía, Spain. It has a designed capacity of 1.00 and serves a population of 24,800.
UtilityRadar indexes 2117 wastewater treatment plants in Spain, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, LOS ALCAZARES has the highest designed capacity at 1 m3/day.