2,117 plants indexed. Showing 1,147 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.
LA PUEBLA DE LOS INFANTES wastewater treatment plant serves the town of La Puebla de los Infantes in Andalucía, Spain. It treats wastewater from a population of approximately 6,668 people.
The La Linea de la Concepcion wastewater treatment plant serves over 110,000 people in Andalusia, Spain. Located near the Mediterranean coast, it operates under the EU Urban Waste Water Treatment Directive.
La Herradura wastewater treatment plant serves the coastal town of La Herradura in Almuñécar, Andalucía, Spain. It treats wastewater for approximately 10,659 residents under the EU Urban Waste Water Treatment Directive.
LA GOLONDRINA wastewater treatment plant serves Córdoba, Andalucía, Spain, with a population equivalent of 520,000. It operates under Spain's implementation of the EU Urban Waste Water Treatment Directive.
LA CAROLINA wastewater treatment plant serves the municipality of La Carolina in Andalucía, Spain. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.
La Barrosa wastewater treatment plant serves Chiclana de la Frontera in Andalucía, Spain, with a population equivalent of 30,000. The facility is located near the coast and operates under EU regulations.
LA ANTILLA wastewater treatment plant serves Lepe, Huelva, in Andalucía, Spain. It is located near the coast and serves a population of 57,192.
Jimena de la Frontera wastewater treatment plant serves the Los Ángeles area in Andalucía, Spain. It has a designed capacity of 1.00 and serves a population of 5,790.
JAEN wastewater treatment plant serves the city of Jaén in Andalucía, Spain, with a population equivalent of 120,000. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.
ISLA MAYOR wastewater treatment plant serves the town of Isla Mayor in Andalucía, Spain. It has a designed capacity of 1.00 and serves a population of 9,037.
Isla Cristina wastewater treatment plant serves approximately 33,000 people in the Huelva province of Andalusia, Spain. It discharges treated effluent into the Atlantic coastal environment.
HUESCAR wastewater treatment plant serves Huéscar, Andalucía, Spain, with a population equivalent of 15,383. The facility operates under Spain's implementation of the EU Urban Waste Water Treatment Directive.
HUERCAL OVERA wastewater treatment plant serves Huércal-Overa, Andalucía, Spain, treating wastewater for approximately 11,323 people. The plant's designed capacity is 1.00 volume unit, and it operates under Spain's implementation of the EU Urban Wast
HUELVA wastewater treatment plant serves the city of Huelva in Andalucía, Spain, with a population equivalent of 239,800. It is located near the coast and discharges into the Atlantic Ocean via the Odiel River estuary.
HUELMA wastewater treatment plant serves the municipality of Huelma in Andalucía, Spain. It treats wastewater from a population of approximately 8,940 people.
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
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.
UtilityRadar indexes 2117 wastewater treatment plants in Spain, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, LA LINEA DE LA CONCEPCION has the highest designed capacity at 1 m3/day.