Wastewater plants in Spain

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.

Plant directory coverage

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.

Treatment levels

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.

Largest plant

The largest plant indexed for Spain is LA ALJORRA, with a designed capacity of 70,417 m³/day.

About our data

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.

804 plants matching filters

ACEUCHAL

Aceuchal, Extremadura

ACEUCHAL wastewater treatment plant serves the town of Aceuchal in Extremadura, Spain. It treats wastewater from approximately 6,100 residents, supporting local sanitation and environmental protection.

Not Reported 6,100 Low

NAVALMORAL DE LA MATA

Navalmoral de la Mata, Extremadura

Navalmoral de la Mata wastewater treatment plant serves 25,000 people in Extremadura, Spain. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this size.

Not Reported 25,000 Low

MORALEJA

Moraleja, Extremadura

Moraleja wastewater treatment plant serves the town of Moraleja in Cáceres, Extremadura, Spain. It treats wastewater from approximately 14,100 people, supporting local sanitation and environmental protection.

Not Reported 14,100 Low

MONTEHERMOSO

Montehermoso, Extremadura

Montehermoso wastewater treatment plant serves approximately 8,000 people in Extremadura, Spain. The facility discharges into local waterways under EU regulatory standards.

Not Reported 8,000 Low

MONTANCHEZ

Montánchez, Extremadura

Montánchez wastewater treatment plant serves the town of Montánchez in Cáceres, Extremadura, Spain. It treats wastewater from approximately 8,400 residents.

Not Reported 8,400 Low

MIAJADAS ESCURIAL

Miajadas, Extremadura

MIAJADAS ESCURIAL wastewater treatment plant serves the municipality of Miajadas in Extremadura, Spain. It treats wastewater for approximately 21,500 people, supporting local sanitation and environmental protection.

Not Reported 21,500 Low

ZAHINOS

Zahínos, Extremadura

ZAHINOS wastewater treatment plant serves the town of Zahínos in Extremadura, Spain. It handles a population of 6,200 as part of the region's municipal infrastructure.

Not Reported 6,200 Low

ZAFRA PUEBLA DE SANCHO PEREZ

Zafra, Extremadura

Zafra Puebla de Sancho Perez is a municipal wastewater treatment plant serving 25,500 people in Zafra, Extremadura, Spain. It operates under the EU Urban Waste Water Treatment Directive.

Not Reported 25,500 Low

VILLANUEVA DEL FRESNO

Villanueva del Fresno, Extremadura

Villanueva del Fresno wastewater treatment plant serves approximately 7,100 people in Extremadura, Spain. The facility operates under Spain's implementation of the EU Urban Waste Water Treatment Directive.

Not Reported 7,100 Low

DON BENITO VILLANUEVA DE LA SERENA

Don Benito, Extremadura

Don Benito Villanueva de la Serena wastewater treatment plant serves 62,000 people in Extremadura, Spain. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.

Not Reported 62,000 Low

VILLAFRANCA

Villafranca de los Barros, Extremadura

VILLAFRANCA wastewater treatment plant serves Villafranca de los Barros in Extremadura, Spain. It treats wastewater for approximately 65,000 people under EU regulatory standards.

Not Reported 65,000 Low

VALVERDE DE LEGANES

Valverde de Leganés, Extremadura

Valverde de Leganés wastewater treatment plant serves 7,200 people in Extremadura, Spain. It operates under EU Urban Waste Water Treatment Directive standards for small agglomerations.

Not Reported 7,200 Low

USAGRE

Usagre, Extremadura

USAGRE wastewater treatment plant serves Usagre, Extremadura, Spain. It treats wastewater from approximately 5,900 residents under EU regulatory standards.

Not Reported 5,900 Low

TORREMAYOR ESPARRAGALEJO LA GARROVILLA

Torremayor, Extremadura

Torremayor Esparragalejo La Garrovilla wastewater treatment plant serves 24,400 people in Torremayor, Extremadura, Spain. It operates under the EU Urban Waste Water Treatment Directive.

Not Reported 24,400 Low

TALAVERA LA REAL

Talavera la Real, Extremadura

TALAVERA LA REAL wastewater treatment plant serves 8,400 people in Talavera la Real, Extremadura, Spain. The facility operates under EU Urban Waste Water Treatment Directive 91/271/EEC, which mandates secondary treatment for agglomerations of this sc

Not Reported 8,400 Low

VILLANUEVA DE LA VERA

Villanueva de la Sierra, Extremadura

VILLANUEVA DE LA VERA wastewater treatment plant serves Villanueva de la Sierra in Extremadura, Spain. It treats wastewater for approximately 6,200 residents.

Not Reported 6,200 Low

VALVERDE DEL FRESNO

Valverde del Fresno, Extremadura

Valverde del Fresno wastewater treatment plant serves approximately 6,000 residents in Extremadura, Spain. The facility operates under EU Urban Waste Water Treatment Directive 91/271/EEC, which mandates secondary treatment for agglomerations of this

Not Reported 6,000 Low

VALENCIA DE ALCANTARA

Valencia de Alcántara, Extremadura

VALENCIA DE ALCANTARA wastewater treatment plant serves Valencia de Alcántara in Extremadura, Spain. It treats wastewater for approximately 10,700 people under EU regulatory standards.

Not Reported 10,700 Low

TRUJILLO

Trujillo, Extremadura

TRUJILLO wastewater treatment plant serves Trujillo, Extremadura, Spain, with a population equivalent of 16,000. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this size.

Not Reported 16,000 Low

TORRE DE DON MIGUEL

Cadalso, Extremadura

Torre de Don Miguel wastewater treatment plant serves Cadalso in Extremadura, Spain. It handles a population equivalent of 5,700 and operates under the EU Urban Waste Water Treatment Directive.

Not Reported 5,700 Low

Frequently asked

How many wastewater treatment plants are in Spain?

UtilityRadar indexes 2117 wastewater treatment plants in Spain, with treatment level, capacity, operator and discharge data on each record.

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