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.
CACERES wastewater treatment plant serves the city of Cáceres in Extremadura, Spain, with a population of 125,800. It operates under the EU Urban Waste Water Treatment Directive.
Brozas wastewater treatment plant serves the town of Brozas in Extremadura, Spain. The facility handles municipal wastewater for a population of approximately 5,700.
ARROYO DE LA LUZ wastewater treatment plant serves 11,800 people in Arroyo de la Luz, Extremadura, Spain. It operates under EU Urban Waste Water Treatment Directive standards for inland communities.
ALISEDA wastewater treatment plant serves the town of Aliseda in Extremadura, Spain, with a population of approximately 5,700. The plant operates under Spain's implementation of the EU Urban Waste Water Treatment Directive.
LA ZARZA wastewater treatment plant serves the town of La Zarza in Extremadura, Spain. It handles a population of 8,400 and operates under EU Urban Waste Water Treatment Directive standards.
ZALAMEA DE LA SERENA wastewater treatment plant serves the town of Zalamea de la Serena in Extremadura, Spain. It treats wastewater for approximately 12,900 people under the EU Urban Waste Water Treatment Directive.
CORIA wastewater treatment plant serves the city of Coria in Extremadura, Spain. It handles a population of approximately 16,700 and discharges into the Alagón River, a tributary of the Tagus.
CASATEJADA wastewater treatment plant serves Casatejada, Cáceres, in Extremadura, Spain. It handles a population of 8,500 and operates under EU Urban Waste Water Treatment Directive standards.
CASAR DE CACERES wastewater treatment plant serves Casar de Cáceres, Extremadura, Spain, with a population of 9,000. It operates under EU Urban Waste Water Treatment Directive standards.
Hornachos wastewater treatment plant serves the town of Hornachos in Extremadura, Spain. It is an inland facility treating wastewater for approximately 6,400 residents.
Higuera la Real wastewater treatment plant serves approximately 7,700 residents in Extremadura, Spain. The facility operates under Spain's implementation of the EU Urban Waste Water Treatment Directive.
Herrera del Duque wastewater treatment plant serves the town of Herrera del Duque in Extremadura, Spain, with a population of 13,800. It operates under the EU Urban Waste Water Treatment Directive.
GUARENA wastewater treatment plant serves Oliva de Mérida in Extremadura, Spain, with a population equivalent of 14,500. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this siz
Granja de Torrehermosa wastewater treatment plant serves the town of Granja de Torrehermosa in Extremadura, Spain. It treats wastewater from approximately 10,000 people.
BARCARROTA wastewater treatment plant serves the town of Barcarrota in Extremadura, Spain, with a population equivalent of 7,500. It operates under the EU Urban Waste Water Treatment Directive.
VILLAFRANCO DEL GUADIANA wastewater treatment plant serves the community of Badajoz in Extremadura, Spain. It handles wastewater from approximately 9,100 people.
Pueblonuevo del Guadiana wastewater treatment plant serves the Talavera la Real area in Extremadura, Spain. It treats wastewater from approximately 8,000 residents under EU regulatory standards.
AZUAGA wastewater treatment plant serves the town of Azuaga in Extremadura, Spain. It handles a population of approximately 17,500 and operates under EU Urban Waste Water Treatment Directive standards.
ALMENDRALEJO wastewater treatment plant serves Almendralejo in Extremadura, Spain. It treats wastewater from approximately 35,435 people as part of the region's municipal infrastructure.
ALBURQUERQUE wastewater treatment plant serves the town of Alburquerque in Extremadura, Spain. It handles wastewater from a population of approximately 11,900.
UtilityRadar indexes 2117 wastewater treatment plants in Spain, with treatment level, capacity, operator and discharge data on each record.