2,117 plants indexed. Showing 1,527 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.
MANCOMUNITAT DEL MARQUESAT is a wastewater treatment plant serving Catadau in the Comunitat Valenciana, Spain. It serves a population of 42,132 and has a designed capacity of 1.00 volume units.
MANCOMUNITAT DE LES VALLS wastewater treatment plant serves Faura in Comunitat Valenciana, Spain. It treats wastewater for approximately 17,864 people under EU regulatory standards.
LLIBER JALON wastewater treatment plant serves Llíber, Comunitat Valenciana, Spain. It is located near the coast and treats wastewater for approximately 5,931 people.
JACARILLA BIGASTRO wastewater treatment plant serves Jacarilla in Comunitat Valenciana, Spain, with a population equivalent of 13,106. The plant discharges into the Segura River basin, supporting local water quality.
IBI wastewater treatment plant serves the municipality of Ibi in Comunitat Valenciana, Spain. It is designed for a capacity of 1.00 and serves a population of approximately 36,403.
GUADASSUAR wastewater treatment plant serves Guadassuar in Comunitat Valenciana, Spain, with a population equivalent of 7,678. It operates under EU Urban Waste Water Treatment Directive standards.
ALCUDIA BENIMODO wastewater treatment plant serves Benimodo in Comunitat Valenciana, Spain. It treats wastewater for approximately 58,757 people under EU regulatory standards.
ALCORA wastewater treatment plant serves l'Alcora in Comunitat Valenciana, Spain, with a designed capacity of 1.00 volume unit. It operates under EU Urban Waste Water Treatment Directive 91/271/EEC.
EDAR del Aeropuerto Tenerife Sur o Garaboto is a wastewater treatment plant serving Granadilla de Abona, Canary Islands, Spain. It treats wastewater from approximately 6,041 people and is located near the Tenerife South Airport.
EDAR Complejo Ambiental de Arico is a wastewater treatment plant serving 5,823 people in Arico, Canary Islands, Spain. It operates under Spain's implementation of the EU Urban Waste Water Treatment Directive.
ETAR de San Blas is a wastewater treatment plant in Candelaria, Canary Islands, Spain, serving approximately 9,610 people. It is located within 50 km of the coast and has a designed capacity of 1.00.
ALHAMA wastewater treatment plant serves Alhama de Murcia in the Región de Murcia, Spain, with a population equivalent of 31,346. It operates under the EU Urban Waste Water Treatment Directive.
ALCANTARILLA wastewater treatment plant serves 79,849 people in the Murcia metropolitan area, Spain. It operates under EU Urban Waste Water Treatment Directive requirements for medium-to-large agglomerations.
ABARAN wastewater treatment plant serves Blanca in the Región de Murcia, Spain, with a population equivalent of 14,956. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scal
ABANILLA wastewater treatment plant serves the municipality of Abanilla in the Región de Murcia, Spain. It has a designed capacity of 1.00 and serves a population of 5,218.
Puerto Lumbreras wastewater treatment plant serves 13,073 people in the Región de Murcia, Spain. It operates under EU Urban Waste Water Treatment Directive standards for inland communities.
EL RAAL wastewater treatment plant serves the Murcia metropolitan area in Spain's Región de Murcia. It treats wastewater from approximately 18,152 people, operating under EU Urban Waste Water Treatment Directive standards.
MULA wastewater treatment plant serves Mula, Región de Murcia, Spain, with a population equivalent of 35,450. It operates under EU Urban Waste Water Treatment Directive standards for medium agglomerations.
Moratalla wastewater treatment plant serves the municipality of Moratalla in the Region of Murcia, Spain. It treats wastewater from a population of approximately 7,700 under EU regulatory standards.
Calasparra wastewater treatment plant serves the municipality of Calasparra in the Region of Murcia, Spain. It treats wastewater for a population of approximately 35,683 under EU regulatory standards.
UtilityRadar indexes 2117 wastewater treatment plants in Spain, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, MANCOMUNITAT DEL MARQUESAT has the highest designed capacity at 1 m3/day.