2,117 plants indexed. Showing 2,025 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.
El Ronquillo wastewater treatment plant serves the town of El Ronquillo in Andalucía, Spain. It provides secondary treatment for a population of 2,591 and discharges treated water into the local environment.
El Burgo wastewater treatment plant in Andalucía, Spain, serves 2,500 people with secondary treatment. It discharges 453.12 m³/day into the local watershed, supporting the Sierra de las Nieves region.
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.
Cumbres Mayores wastewater treatment plant in Andalucía, Spain, serves a population of 3,004 with secondary treatment. It discharges 544.47 m³/day of treated effluent, operating under EU Urban Waste Water Treatment Directive standards.
CULLAR wastewater treatment plant serves Cúllar, Granada, Andalucía, Spain. It provides secondary treatment for a population of 3,500 with a designed capacity of 5,000 m³/day.
CUEVAS DEL CAMPO wastewater treatment plant serves 1,800 people in Cuevas del Campo, Andalucía, Spain. It provides secondary treatment and has a designed capacity of 3,500 m³/day.
Cortes de Baza wastewater treatment plant serves the municipality of Cortes de Baza in Andalucía, Spain. It provides secondary treatment for a population of 2,924 and has a designed capacity of 2,000 m³/day.
ALBOX NUEVA is a secondary wastewater treatment plant serving Albox, Andalucía, Spain. It treats wastewater for approximately 5,500 people with a designed capacity of 11,000 m³/day.
ALANIS wastewater treatment plant in Alanís, Andalucía, Spain, serves a population of 3,383 with advanced treatment. It discharges 613.16 cubic meters of treated wastewater, supporting local water quality.
Abrucena wastewater treatment plant serves the municipality of Abrucena in Almería, Andalucía, Spain. It provides secondary treatment for a population of 2,386.
ABLA wastewater treatment plant in Abla, Andalucía, Spain, serves a population of 2,237 with secondary treatment. It discharges 405.45 m³/day and has a designed capacity of 2,680 m³/day.
LLOSETA wastewater treatment plant in Lloseta, Illes Balears, Spain, serves 5,118 people with advanced treatment. It discharges 774.46 cubic meters per day and has a designed capacity of 5,600 cubic meters per day.
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.
CONSELL wastewater treatment plant serves Consell in Illes Balears, Spain, with secondary treatment for a population of 4,344. It discharges 580.16 m³/day of treated wastewater, with a designed capacity of 2,650 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.
ALGAIDA MONTUIRI is an advanced wastewater treatment plant serving Algaida, Mallorca, Spain. It treats wastewater for 6,566 people with a designed capacity of 7,000 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.
UtilityRadar indexes 2117 wastewater treatment plants in Spain, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, ALBOX NUEVA has the highest designed capacity at 11,000 m3/day.