2,117 plants indexed. Showing 675 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.
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.
ALARO is a secondary wastewater treatment plant in Alaró, Illes Balears, Spain, serving 4,600 people. It discharges 778.29 m³/day and has a designed capacity of 9,000 m³/day.
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.
Son Serra de Marina wastewater treatment plant serves 1,040 people in Santa Margalida, Mallorca, Spain. It provides secondary treatment and is located within 10 km of the coast.
FORMENTOR wastewater treatment plant in Pollença, Illes Balears, Spain, serves a small population of 88 with secondary treatment. It discharges 81.64 m³/day and is located within 10 km of the coast.
LLUBI wastewater treatment plant in Llubí, Illes Balears, Spain, provides secondary treatment for a population of 5,103. The plant discharges 282.54 m³/day and is located within 10 km of the coast.
PORT DE SANT MIQUEL is an advanced wastewater treatment plant serving 1,178 people in Sant Joan de Labritja, Illes Balears, Spain. It discharges treated water near the coast of Ibiza.
CALA LLONGA is an advanced wastewater treatment plant in Santa Eulària des Riu, Illes Balears, Spain. It serves 1,545 people with a design capacity of 7,000 m³/day and discharges 549.09 m³/day.
CALA SANT VICENC wastewater treatment plant serves Sant Joan de Labritja, Illes Balears, Spain. It provides secondary treatment for a population of 1,098 and discharges 120.02 m³/day.
MIGJORN GRAN is an advanced wastewater treatment plant in es Migjorn Gran, Menorca, Spain. It serves a population of 2,508 and has a designed capacity of 5,500 m³/day, discharging 529.18 m³/day.
CIUTADELLA NORTE is an advanced wastewater treatment plant in Ciutadella, Menorca, Spain. It serves approximately 14,392 people with a designed capacity of 15,000 m³/day and discharges 980.17 m³/day.
Cala Galdana wastewater treatment plant in Ciutadella, Menorca, Spain, serves 2,156 people with advanced treatment. It discharges 995.10 m³/day and has a designed capacity of 4,000 m³/day.
VILAFRANCA wastewater treatment plant serves Vilafranca de Bonany in the Illes Balears, Spain. It provides advanced treatment for a population of 3,435 and has a designed capacity of 3,000 m³/day.
SELVA wastewater treatment plant serves the town of Selva in the Balearic Islands, Spain. It provides advanced treatment for a population of 2,043 and has a designed capacity of 3,000 m³/day.
Santa Maria wastewater treatment plant serves Consell in the Balearic Islands, Spain. It provides advanced treatment for a population of 5,152, with a designed capacity of 5,000 m³/day.
UtilityRadar indexes 2117 wastewater treatment plants in Spain, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, CALVIA has the highest designed capacity at 15,000 m3/day.