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.
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.
SANTANYI wastewater treatment plant in Cala Santanyí, Illes Balears, Spain, serves 3,539 people with advanced treatment. It discharges 626.68 m³/day and has a designed capacity of 17,500 m³/day.
SA RAPITA wastewater treatment plant serves Campos, Illes Balears, Spain, treating wastewater for 1,125 people with secondary treatment. It discharges 339.06 m³/day and is located within 10 km of the coast.
CALA FERRERA is an advanced wastewater treatment plant in Felanitx, Illes Balears, Spain, serving 4,539 people with a designed capacity of 6,000 m³/day and a discharge volume of 876.89 m³/day.
SON PARC is an advanced wastewater treatment plant in s'Arenal d'en Castell, Menorca, Spain, serving 1,864 people. It discharges 164.72 units of treated wastewater near the coast.
SON BOU is an advanced wastewater treatment plant in Alaior, Menorca, Spain, serving a population of 1,118. It discharges 217.10 m³/day and has a designed capacity of 2,500 m³/day.
CALAN PORTER is an advanced wastewater treatment plant in Cala en Porter, Menorca, Spain, serving 21,764 people. It discharges 296.63 m³/day of treated effluent into the Mediterranean coastal environment.
CALVIA wastewater treatment plant in Calvià, Illes Balears, Spain, serves a population of 1,996 with secondary treatment. It discharges 473.88 m³/day and is located within 10 km of the coast.
COLONIA SANT PERE is a secondary wastewater treatment plant serving 1,926 people in Colònia de Sant Pere, Illes Balears, Spain. It discharges treated water near the coast of Mallorca.
SANT ELM is a secondary wastewater treatment plant in Sant Elm, Illes Balears, Spain, serving 740 people with a discharge volume of 146.11 units and a designed capacity of 5883.00 units.
SES SALINES wastewater treatment plant in ses Salines, Illes Balears, Spain, serves a population of 1,262 with advanced treatment. It discharges 196.98 cubic meters per day and has a designed capacity of 2,200 cubic meters per day.
UtilityRadar indexes 2117 wastewater treatment plants in Spain, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, PORTO COLOM has the highest designed capacity at 18,000 m3/day.