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

LORCA

Lorca, Región de Murcia

LORCA wastewater treatment plant serves the city of Lorca in the Region of Murcia, Spain. It handles a population equivalent of approximately 77,865 and is located inland, discharging into the Guadalentín River basin.

Not Reported 77,865 Low

JUMILLA

Jumilla, Región de Murcia

JUMILLA wastewater treatment plant serves the city of Jumilla in the Region of Murcia, Spain, with a population equivalent of 55,261. It operates under the EU Urban Waste Water Treatment Directive.

Not Reported 55,261 Low

FUENTE ALAMO

Fuente Álamo de Murcia, Región de Murcia

FUENTE ALAMO wastewater treatment plant serves Fuente Álamo de Murcia in the Región de Murcia, Spain, with a designed capacity of 1.00. It supports a population of approximately 12,088.

Not Reported 12,088 Low

FORTUNA

Fortuna, Región de Murcia

Fortuna wastewater treatment plant serves the town of Fortuna in the Region of Murcia, Spain. It has a designed capacity of 1.00 and serves a population of 7,436.

Not Reported 7,436 Low

CIEZA

Cieza, Región de Murcia

CIEZA wastewater treatment plant serves Cieza in the Región de Murcia, Spain, with a population of approximately 47,898. The plant discharges into the Segura River basin, supporting local water quality and downstream ecosystems.

Not Reported 47,898 Low

CEHEGIN

Cehegín, Región de Murcia

CEHEGIN wastewater treatment plant serves Cehegín in the Región de Murcia, Spain. It treats wastewater for approximately 19,500 people as part of the region's municipal infrastructure.

Not Reported 19,513 Low

ALGUAZAS

Alguazas, Región de Murcia

The ALGUAZAS wastewater treatment plant serves the municipality of Alguazas in the Region of Murcia, Spain, with a population equivalent of 62,787. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for

Not Reported 62,787 Low

CEUTI

Ceutí, Región de Murcia

The CEUTI wastewater treatment plant serves Ceutí in the Región de Murcia, Spain, with a population of 31,170. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.

Not Reported 31,170 Low

SANTOMERA NORTE

Santomera, Región de Murcia

SANTOMERA NORTE is a municipal wastewater treatment plant serving Santomera in the Region of Murcia, Spain. It serves a population of approximately 30,948 and operates under EU Urban Waste Water Treatment Directive standards.

Not Reported 30,948 Low

YECLA

Yecla, Región de Murcia

Yecla wastewater treatment plant serves the municipality of Yecla in the Altiplano region of Murcia, Spain. It handles a population equivalent of approximately 37,000 under the EU Urban Waste Water Treatment Directive.

Not Reported 37,062 Low

TOTANA

Totana, Región de Murcia

TOTANA wastewater treatment plant serves Totana in the Región de Murcia, Spain. It has a designed capacity of 1.00 (units unspecified) and serves a population of 30,335.

Not Reported 30,335 Low

TORRES DE COTILLAS

Las Torres de Cotillas, Región de Murcia

TORRES DE COTILLAS wastewater treatment plant serves Las Torres de Cotillas in the Región de Murcia, Spain. It treats wastewater for a population of approximately 77,442 under EU regulatory standards.

Not Reported 77,442 Low

ALCALA LA REAL

Alcalá la Real, Andalucía

Alcalá la Real wastewater treatment plant serves approximately 20,000 people in Andalucía, Spain. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this size.

Not Reported 20,000 Low

CARAVACA DE LA CRUZ

Caravaca de la Cruz, Región de Murcia

CARAVACA DE LA CRUZ wastewater treatment plant serves the municipality of Caravaca de la Cruz in the Region of Murcia, Spain. It treats wastewater for approximately 35,000 residents as part of the regional sanitation infrastructure.

Not Reported 35,086 Low

CORTEGANA

Cortegana, Andalucía

Cortegana wastewater treatment plant serves the municipality of Cortegana in Andalucía, Spain, with a population of approximately 7,300. The plant operates under the EU Urban Waste Water Treatment Directive, ensuring compliance with secondary treatme

Not Reported 7,303 Low

CORONIL EL

El Coronil, Andalucía

CORONIL EL wastewater treatment plant serves El Coronil in Andalucía, Spain. It treats municipal wastewater for approximately 8,182 residents under EU regulatory standards.

Not Reported 8,182 Low

COPERO

Dos Hermanas, Andalucía

COPERO wastewater treatment plant serves Dos Hermanas, Spain, a large agglomeration of over 710,000 people. The plant operates under EU Urban Waste Water Treatment Directive 91/271/EEC, which mandates advanced treatment for sensitive areas.

Not Reported 710,488 Low

CHUCENA ESCACENA PATERNA MANZANILLA

Escacena del Campo, Andalucía

CHUCENA ESCACENA PATERNA MANZANILLA is a wastewater treatment plant in Escacena del Campo, Andalucía, Spain, serving a population of 17,536. It operates under Spain's implementation of the EU Urban Waste Water Treatment Directive.

Not Reported 17,536 Low

CAZORLA

Cazorla, Andalucía

CAZORLA wastewater treatment plant serves the town of Cazorla in Andalucía, Spain, with a population equivalent of 14,872. The plant operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of

Not Reported 14,872 Low

CAZALLA DE LA SIERRA

Cazalla de la Sierra, Andalucía

CAZALLA DE LA SIERRA wastewater treatment plant serves the town of Cazalla de la Sierra in Andalusia, Spain. It treats wastewater from approximately 9,719 people under the EU Urban Waste Water Treatment Directive.

Not Reported 9,719 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.

What is the largest wastewater treatment plant in Spain?

Among the indexed plants, LORCA has the highest designed capacity at 1 m3/day.

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