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.
MARCHENA wastewater treatment plant serves the town of Marchena in Andalucía, Spain, with a population equivalent of 27,500. It operates under Spain's implementation of the EU Urban Waste Water Treatment Directive.
MANCHA REAL NUEVA wastewater treatment plant serves Mancha Real, Andalucía, Spain, with a population of approximately 13,902. It operates under EU Urban Waste Water Treatment Directive standards.
The MACAEL wastewater treatment plant serves Cantoria in Andalucía, Spain, with a population equivalent of 20,897. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.
Lucena wastewater treatment plant serves the city of Lucena in Andalusia, Spain. It treats wastewater from a population of approximately 14,000 under the EU Urban Waste Water Treatment Directive.
Los Villares wastewater treatment plant serves the municipality of Los Villares in Andalucía, Spain. It treats wastewater from a population of approximately 11,036 under the EU Urban Waste Water Treatment Directive.
LOS VADOS EDAR OESTE is a wastewater treatment plant serving Granada, Spain. It handles a population equivalent of 161,585 and operates under EU Urban Waste Water Treatment Directive standards.
LOS PALACIOS VILLAFRANCA wastewater treatment plant serves Los Palacios y Villafranca, Andalucía, Spain. It treats wastewater from approximately 43,000 people as part of the region's municipal infrastructure.
LOS ALCORES wastewater treatment plant serves Mairena del Alcor, Andalucía, Spain, with a population of 47,800. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for this scale.
LOJA wastewater treatment plant serves the municipality of Loja in Andalucía, Spain, with a population equivalent of 24,573. The plant operates under Spain's implementation of the EU Urban Waste Water Treatment Directive.
LINARES wastewater treatment plant serves Linares, Andalucía, Spain, with a population equivalent of 95,900. The plant operates under the EU Urban Waste Water Treatment Directive, ensuring compliance with secondary treatment standards for large agglo
LEBRIJA wastewater treatment plant serves Lebrija in Andalucía, Spain, with a population equivalent of 34,953. The facility has a designed capacity of 1.00 (unit unspecified) and operates under the EU Urban Waste Water Treatment Directive.
LANTEJUELA wastewater treatment plant serves La Lantejuela in Andalucía, Spain, with a population equivalent of 6,063. The plant operates under Spain's implementation of the EU Urban Waste Water Treatment Directive.
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.
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.
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.
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
HUELMA wastewater treatment plant serves the municipality of Huelma in Andalucía, Spain. It treats wastewater from a population of approximately 8,940 people.
UtilityRadar indexes 2117 wastewater treatment plants in Spain, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, LOJA has the highest designed capacity at 1 m3/day.