2,117 plants indexed. Showing 368 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.
GUADALHORCE wastewater treatment plant serves Málaga, Spain, with a population of over 730,000. Located in Andalucía near the coast, it is a major facility in the region.
GUADALETE wastewater treatment plant serves Jerez de la Frontera, Spain, with a population equivalent of 274,946. It is located near the Guadalete River and operates under EU Urban Waste Water Treatment Directive standards.
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.
GARRUCHA MOJACAR TURRE wastewater treatment plant serves the Mojácar area in Andalucía, Spain. It is designed for a capacity of 1.00 and serves a population of 19,617.
FUENGIROLA wastewater treatment plant serves Mijas, Andalucía, Spain, with a population equivalent of 137,105. It is located near the Costa del Sol and discharges into the Mediterranean Sea.
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.
Estepona wastewater treatment plant serves the coastal city of Estepona in Andalusia, Spain, with a designed capacity of 1.00 and a population equivalent of 96,422.
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.
EL EJIDO wastewater treatment plant serves El Ejido, Andalucía, Spain, with a population of 52,930. The plant has a designed capacity of 1.00 and is located within 50 km of the coast.
EL BOBAR wastewater treatment plant serves Almería, Andalucía, Spain, with a designed capacity of 1.00 and a population equivalent of 256,582. It operates under the EU Urban Waste Water Treatment Directive.
DEL TOYO wastewater treatment plant serves Almería, Andalucía, Spain, with a designed capacity of 1.00 million cubic meters per year. It treats wastewater from a population of 21,100.
CUEVAS DE ALMANZORA wastewater treatment plant serves Cuevas del Almanzora, Andalucía, Spain. It treats wastewater for a population of 10,200 and has a designed capacity of 1.00 (units unspecified).
ADRA wastewater treatment plant serves Adra, Andalucía, Spain, with a designed capacity of 1.00 and a population of 30,843. It operates under EU Urban Waste Water Treatment Directive standards.
MURO SANTA MARGALIDA wastewater treatment plant serves Son Bauló in Santa Margalida, Mallorca, Spain. It treats wastewater from a population of 58,500 and is located near the coast.
CAPDEPERA wastewater treatment plant serves sa Pedruscada, Spain, with a population equivalent of 20,426. The facility is located near the coast and operates under EU regulations for medium agglomerations.
CALES DE MALLORCA wastewater treatment plant serves the Manacor area in Illes Balears, Spain. It is located within 50 km of the coast and has a designed capacity of 1.00 volume unit.
SON SERVERA wastewater treatment plant serves Port Vell in the Balearic Islands, Spain. It treats wastewater from a population of approximately 30,626 and discharges into the Mediterranean coastal environment.
CALES DE MANACOR is a wastewater treatment plant serving Manacor, Illes Balears, Spain. It treats wastewater for a population of 5,717 and is located within 50 km of the coast.
ARTA wastewater treatment plant serves Artà, Illes Balears, Spain. Designed capacity is 1.00 volume unit, serving a population of 5,748.
SOLLER wastewater treatment plant serves Sóller in the Balearic Islands, Spain, with a designed capacity of 1.00 and a population equivalent of 23,910. It operates under EU Urban Waste Water Treatment Directive requirements for medium agglomerations.
UtilityRadar indexes 2117 wastewater treatment plants in Spain, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, GUADALHORCE has the highest designed capacity at 1 m3/day.