2,117 plants indexed.
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.
ALHAMA DE ALMERIA wastewater treatment plant serves Alhabia, Almería, Andalucía, Spain. It has a designed capacity of 1.00 and serves a population of 13,581.
Algodonales wastewater treatment plant serves the town of Algodonales in Andalucía, Spain. It treats wastewater for approximately 7,700 residents 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.
BENEJUZAR wastewater treatment plant in Biel, Aragón, Spain, is a closed facility with secondary treatment and a designed capacity of 17,500 m³/day.
VILLARGORDO DEL CABRIEL wastewater treatment plant in Villargordo del Cabriel, Comunitat Valenciana, Spain, is currently closed. It was designed with a capacity of 1,666 m³/day and provided secondary treatment.
VENTA DEL MORO wastewater treatment plant in Venta del Moro, Comunitat Valenciana, Spain, is a closed secondary treatment facility with a designed capacity of 1,625 m³/day.
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.
SINARCAS wastewater treatment plant in Sinarcas, Comunitat Valenciana, Spain, is a closed secondary treatment facility with a designed capacity of 1408 m³/day.
GAVARDA is a closed secondary treatment plant in Alberic, Comunitat Valenciana, Spain. It was designed with a capacity of 739 m³/day and served the local urban area.
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.
ALCUBLAS is a closed secondary treatment plant in Andilla, Comunitat Valenciana, Spain. It was designed with a capacity of 1,151 m³/day, serving the local area before ceasing operations.
RIBESALBES is a closed secondary treatment plant in Ribesalbes, Comunitat Valenciana, Spain. It was designed for a capacity of 1,808 m³/day.
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.
ORIHUELA LA APARECIDA is a closed secondary treatment plant in Orihuela, Comunitat Valenciana, Spain. It was designed for a capacity of 1,833 m³/day and is located inland near the Segura River basin.
ORBA wastewater treatment plant in Orba, Comunitat Valenciana, Spain, is a secondary treatment facility with a designed capacity of 1,760 m³/day. It is located within 10 km of the coast, serving the local community.
Murla wastewater treatment plant in Comunitat Valenciana, Spain, is a closed secondary treatment facility with a designed capacity of 500 m³/day, serving the local municipality.
GUADALEST wastewater treatment plant in el Castell de Guadalest, Spain, is a closed secondary treatment facility with a designed capacity of 1,942 m³/day, located within 10 km of the coast.
BUSOT wastewater treatment plant in Busot, Comunitat Valenciana, Spain, is a closed facility with secondary treatment and a designed capacity of 2300 m³/day.
XIXONA wastewater treatment plant serves Xixona/Jijona in Comunitat Valenciana, Spain, with a population equivalent of 45,268. It operates under the EU Urban Waste Water Treatment Directive.
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.