2,117 plants indexed. Showing 157 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.
BANADEROS wastewater treatment plant in Arucas, Canarias, Spain, serves approximately 5,796 people with secondary treatment. It discharges 722.52 m³/day and is located near the coast.
FIRGAS is an advanced wastewater treatment plant in Firgas, Canarias, Spain, serving a population of 5,925. It discharges treated water near the coast, with a designed capacity of 6,000 m³/day.
LA ALJORRA is an advanced wastewater treatment plant in Cartagena, Región de Murcia, Spain, serving 6,553 people. It discharges 847.33 m³/day and has a designed capacity of 70,417 m³/day.
Cómpeta wastewater treatment plant in Andalucía, Spain serves 2,534 people with advanced treatment. It discharges 459.28 m³/day and is located near the Mediterranean coast.
Castellar de la Frontera wastewater treatment plant in Andalusia, Spain, serves 4,519 people with secondary treatment. It discharges 819.06 m³/day and is located near the coast.
CASARES wastewater treatment plant in Casares, Andalucía, Spain, serves a population of 3,618 with secondary treatment. It discharges 655.75 m³/day of treated wastewater near the Costa del Sol coast.
Cabo de Gata wastewater treatment plant serves 4,092 people in Almería, Andalucía, Spain, with advanced treatment. It discharges 741.66 m³/day and is located within 10 km of the coast.
Villablanca San Silvestre is a secondary wastewater treatment plant in Villablanca, Huelva, Andalusia, Spain. It serves approximately 4,729 people with a designed capacity of 5,000 m³/day.
SAN JOSE secondary treatment plant serves 5,000 people in Níjar, Almería, Spain. It discharges 906.24 m³/day of treated wastewater within 10 km of the Mediterranean coast.
ROTA wastewater treatment plant in Rota, Andalucía, Spain, serves approximately 50,177 people with secondary treatment. The plant has a designed capacity of 70,100 m³/day and discharges 97.06 m³/day of treated wastewater near the coast.
Puente Esuri wastewater treatment plant serves the Costa Esuri area of Ayamonte, Andalucía, Spain. It provides secondary treatment for a population of 4,025 and discharges 729.52 m³/day.
GUADIARO wastewater treatment plant in San Roque, Andalucía, Spain, serves 4,000 people with secondary treatment. It discharges 724.99 m³/day and is located within 10 km of the coast.
DALIAS wastewater treatment plant in Dalías, Andalucía, Spain, serves 4,400 people with secondary treatment. It discharges 797.49 m³/day and is located within 10 km of the coast.
FONT DE SA CALA is an advanced wastewater treatment plant in sa Pedruscada, Illes Balears, Spain. Serving 2,799 people, it discharges 512.67 m³/day and has a designed capacity of 6,000 m³/day.
CANYAMEL wastewater treatment plant in Capdepera, Illes Balears, Spain, serves 2,103 people with advanced treatment. It discharges 747.06 m³/day and is located within 10 km of the coast.
Campanet wastewater treatment plant in Illes Balears, Spain, serves 2,751 people with advanced treatment. It discharges 768.27 m³/day and has a designed capacity of 4,000 m³/day.
DEIA wastewater treatment plant serves Deià in the Balearic Islands, Spain, with advanced treatment for a population of 1,456. It discharges treated water near the coast of the Serra de Tramuntana.
Valldemosa wastewater treatment plant in Valldemossa, Illes Balears, Spain, serves 2,059 people with advanced treatment. It discharges 334.13 m³/day and is located within 10 km of the coast.
CAMP DE MAR is a secondary wastewater treatment plant in Andratx, Illes Balears, Spain, serving 1,382 people. It discharges 400.89 m³/day and is located within 10 km of the coast.
PORTO COLOM secondary treatment plant serves 5,230 people in Felanitx, Illes Balears, Spain. It discharges 866.29 m³/day and is located within 10 km of the coast.
UtilityRadar indexes 2117 wastewater treatment plants in Spain, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, LA ALJORRA has the highest designed capacity at 70,417 m3/day.