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.
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.
Alcalá de los Gazules wastewater treatment plant serves the town in Andalucía, Spain. It has a designed capacity of 1.00 and serves a population of 9,400.
ALAMEDA wastewater treatment plant serves Alameda, Andalucía, Spain, with a population of 7,796. It operates under EU Urban Waste Water Treatment Directive standards for small agglomerations.
AGUILAR DE LA FRONTERA wastewater treatment plant serves Aguilar de la Frontera, Córdoba, Andalucía, Spain, with a population equivalent of 9,000. The plant operates under Spain's implementation of the EU Urban Waste Water Treatment Directive.
ADAMUZ wastewater treatment plant serves the town of Adamuz in Andalucía, Spain, with a population equivalent of 6,053. The facility operates under EU Urban Waste Water Treatment Directive standards for small agglomerations.
INCA wastewater treatment plant serves Inca, Illes Balears, Spain, with a designed capacity of 1.00 and a population of 52,547. The plant operates under EU Urban Waste Water Treatment Directive standards.
BINISSALEM wastewater treatment plant serves the town of Binissalem in the Balearic Islands, Spain. It is designed for a capacity of 1.00 cubic meters per day and serves a population of 5,773.
ARTA wastewater treatment plant serves Artà, Illes Balears, Spain. Designed capacity is 1.00 volume unit, serving a population of 5,748.
FELANITX wastewater treatment plant serves Felanitx in the Illes Balears, Spain, with a population equivalent of 13,321. The facility operates under Spain's implementation of the EU Urban Waste Water Treatment Directive.
COLONIA DE SANT JORDI wastewater treatment plant serves the coastal town of Colònia de Sant Jordi in the Balearic Islands, Spain. It operates under EU regulations for small agglomerations.
FERRERIES wastewater treatment plant serves the town of Ferreries on Menorca, Balearic Islands, Spain. It is designed for a capacity of 1.00 and serves a population of 6,384.
UtilityRadar indexes 2117 wastewater treatment plants in Spain, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, EL ROMPIDO has the highest designed capacity at 1 m3/day.