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.
NEDA wastewater treatment plant in Neda, Galicia, Spain, serves a population of 4,163 with advanced treatment.
Esteiro Muros is an advanced wastewater treatment plant in Muros, Galicia, Spain, serving a population of 3,668. It discharges 846.78 m³/day of treated effluent near the coast.
MUXIA wastewater treatment plant in Muxía, Galicia, Spain, serves 2,528 people with advanced treatment. It discharges 740.55 m³/day and is located within 10 km of the coast.
PONTE BAXOI PERBES MINO is an advanced wastewater treatment plant in A Carreira, Galicia, Spain. It serves a population of 4,466 and discharges 951.89 cubic meters of treated wastewater daily.
MINO is an advanced wastewater treatment plant in A Carreira, Galicia, Spain, serving 6,541 people. It discharges 549.11 m³/day of treated effluent near the coast, with a designed capacity of 9,000 m³/day.
Carral Abegondo is an advanced wastewater treatment plant in Carral, Galicia, Spain, serving a population of 4,085. It discharges 528 m³/day of treated effluent and is located within 10 km of the coast.
PONTE DO PORTO CAMARINAS is a closed advanced wastewater treatment plant in Camariñas, Galicia, Spain. It served a population of 1,074 with a designed capacity of 5,000 m³/day.
MIODELO BERGONDO is an advanced wastewater treatment plant in Carrio, Bergondo, Galicia, Spain. It serves a population of 4,665 and has a designed capacity of 4,000 m³/day, discharging 864 m³/day.
COMBOA SOUTOMAIOR is an advanced wastewater treatment plant in O Rial, Galicia, Spain, serving about 2,355 people. It discharges 790.22 m³/day of treated effluent near the coast.
Bahia Feliz is a secondary-level wastewater treatment plant in San Bartolomé de Tirajana, Canary Islands, Spain. It discharges treated water near the coast, serving the local tourism-driven community.
TAURITO wastewater treatment plant serves Mogán, Canarias, Spain. It provides secondary treatment and discharges treated wastewater near the coast.
RIO ASON is an advanced wastewater treatment plant in Rasines, Cantabria, Spain. It discharges 811.82 m³/day and is located within 10 km of the coast, serving the local community.
LA CAVADA is a secondary wastewater treatment plant in Riotuerto, Cantabria, Spain. It discharges 268.57 m³/day of treated effluent and is located within 10 km of the coast.
CEUTA wastewater treatment plant serves the city of Ceuta, Spain, with a population equivalent of 114,595. The plant is located near the Mediterranean coast and operates under EU regulations.
ALMUNECAR wastewater treatment plant serves Almuñécar, Andalucía, Spain, treating wastewater for approximately 124,700 people. The facility is located near the Mediterranean coast and operates under EU regulatory standards.
ALCALA DE XIVERT ALCOSSEBRE is a wastewater treatment plant serving Alcalà de Xivert, Spain. It treats wastewater for a population of 22,335 in the Comunitat Valenciana region.
SUECA EL MARENY DE BARRAQUETES is a closed advanced treatment plant in Sueca, Comunitat Valenciana, Spain. It was designed for a capacity of 30,083 m³/day and is located within 10 km of the coast.
CANET D EN BERENGUER is a closed secondary treatment plant near Sagunt, Valencia, Spain. It served the Almardà area with a designed capacity of 12,415 m³/day and is within 10 km of the Mediterranean coast.
OROPESA TORREBELLVER is a closed advanced treatment plant in Oropesa del Mar, Comunitat Valenciana, Spain. It had a designed capacity of 3,837 m³/day and is located within 10 km of the Mediterranean coast.
BORRIOL wastewater treatment plant in Borriol, Comunitat Valenciana, Spain, is a closed secondary treatment facility with a designed capacity of 1500 m³/day, located near the Mediterranean coast.
UtilityRadar indexes 2117 wastewater treatment plants in Spain, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, SUECA EL MARENY DE BARRAQUETES has the highest designed capacity at 30,083 m3/day.