2,117 plants indexed. Showing 73 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.
Los Gallardos wastewater treatment plant in Andalucía, Spain, is currently closed. It served a population of 5,555 and had a designed capacity of 1.00 (units unspecified).
XILXES wastewater treatment plant serves Xilxes/Chilches in Comunitat Valenciana, Spain, with a population equivalent of 7,256. The plant has a designed capacity of 1.00 volume unit and is located within 50 km of the coast.
VALENCIA EL SALER wastewater treatment plant serves the El Saler district of València, Spain, with a designed capacity of 1.00 cubic meters per day for a population of 9,637.
SIMAT DE LA VALLDIGNA wastewater treatment plant serves Simat de la Valldigna in Comunitat Valenciana, Spain. It has a designed capacity of 1.00 and serves a population of 5,996.
RIOLA wastewater treatment plant serves the municipality of Riola in Comunitat Valenciana, Spain. It has a designed capacity of 1.00 and serves a population of 3,212.
NAQUERA SERRA wastewater treatment plant serves Nàquera in Comunitat Valenciana, Spain. It treats wastewater for approximately 7,000 residents and is located within 50 km of the Mediterranean coast.
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.
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.
BERJA wastewater treatment plant serves Berja, Andalucía, Spain, treating wastewater for approximately 13,662 people. It is located near the Río Chico de Berja and operates under EU regulations.
Balerma wastewater treatment plant serves the Balerma residential area in El Ejido, Almería, Andalucía, Spain. It is located within 50 km of the coast and serves a population of approximately 10,047.
ANTAS wastewater treatment plant serves the town of Antas in Andalucía, Spain. The facility has a designed capacity of 1.00 and serves a population of 5,555.
PULPI wastewater treatment plant serves La Fuente, Pulpí, in Andalucía, Spain. It is located within 50 km of the coast and serves a population of 5,762.
PALOMARES VILLARICOS wastewater treatment plant serves Villaricos in Andalucía, Spain. It has a designed capacity of 1.00 and serves a population of 6,803.
MAZAGON wastewater treatment plant serves a population of 7,060 in Spain. Located near the coast, it operates under EU regulations for small agglomerations.
GUADACORTE wastewater treatment plant serves Los Barrios, Andalucía, Spain, with a designed capacity of 1.00 m³/day. It treats wastewater from a population of 6,090 under EU regulatory standards.
FRIGILIANA wastewater treatment plant serves the municipality of Frigiliana in Andalucía, Spain, with a designed capacity of 1.00 m³/day. It is located within 50 km of the coast and treats wastewater from a population of 6,100.
EL ROMPIDO wastewater treatment plant serves Cartaya, Andalucía, Spain, with a population equivalent of 7,691. It is located near the coast of Huelva, discharging into the Atlantic Ocean via the Piedras River estuary.
UtilityRadar indexes 2117 wastewater treatment plants in Spain, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, LOS GALLARDOS has the highest designed capacity at 1 m3/day.