2,117 plants indexed. Showing 804 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.
HINOJOSA DEL DUQUE wastewater treatment plant serves the town of Hinojosa del Duque in Andalucía, Spain. It treats wastewater for approximately 14,514 people under the EU Urban Waste Water Treatment Directive.
HERRERA wastewater treatment plant serves the town of Herrera in Andalucía, Spain. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.
GoeEJAR SIERRA wastewater treatment plant serves Güéjar Sierra in Andalucía, Spain. The facility has a designed capacity of 1.00 and serves a population of 6,000.
The GUADIX wastewater treatment plant serves the municipality of Guadix in Andalucía, Spain, with a population equivalent of 11,000. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations
GUADALCANAL wastewater treatment plant serves the town of Guadalcanal in Andalucía, Spain. It operates under EU Urban Waste Water Treatment Directive standards 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.
GRANADA SUR is a major wastewater treatment plant serving over 377,000 people in Granada, Andalusia, Spain. It operates under the EU Urban Waste Water Treatment Directive, ensuring high environmental standards for the region.
GIBRALEON wastewater treatment plant serves Gibraleón, Huelva, Andalucía, Spain. It has a designed capacity of 1.00 and serves a population of 10,384.
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.
Fernán-Núñez wastewater treatment plant serves the town of Fernán-Núñez in Andalucía, Spain, with a population equivalent of 15,472. The facility operates under Spain's implementation of the EU Urban Waste Water Treatment Directive.
ESPERA wastewater treatment plant serves the town of Espera in Andalucía, Spain. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.
EL RUBIO wastewater treatment plant serves Marinaleda in Andalucía, Spain, with a population equivalent of 6,000. The facility operates under Spain's implementation of the EU Urban Waste Water Treatment Directive.
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 CUERVO wastewater treatment plant serves El Cuervo de Sevilla in Andalucía, Spain, with a designed capacity of 1.00. It operates under the EU Urban Waste Water Treatment Directive.
EL CARPIO PEDRO ABAD wastewater treatment plant serves El Carpio, Andalucía, Spain, with a population equivalent of 11,622. It operates under EU Urban Waste Water Treatment Directive 91/271/EEC.
EL ARAHAL wastewater treatment plant serves the town of Arahal in Andalucía, Spain, with a population equivalent of 14,000. It operates under the EU Urban Waste Water Treatment Directive.
ECIJA wastewater treatment plant serves Écija, Andalucía, Spain, with a population of 53,588. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.
CUEVAS DE SAN MARCOS wastewater treatment plant serves the municipality of Rute in Andalucía, Spain. It treats wastewater from a population of approximately 6,615 people.
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).
Alcalá del Valle wastewater treatment plant serves the municipality in Andalucía, Spain. It operates under EU regulations for small agglomerations, treating wastewater before discharge into local water bodies.
UtilityRadar indexes 2117 wastewater treatment plants in Spain, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, GoeEJAR SIERRA has the highest designed capacity at 1 m3/day.