Wastewater plants in Spain

2,117 plants indexed. Showing 1,527 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.

1,527 plants matching filters

VALLE DE ABDALAJIS

Valle de Abdalajís, Andalucía

VALLE DE ABDALAJIS wastewater treatment plant in Valle de Abdalajís, Andalucía, Spain, serves 4,000 people with secondary treatment. It discharges 724.99 m³/day and operates under EU Urban Waste Water Treatment Directive standards.

Secondary 4,000 Low

UGIJAR

Ugíjar, Andalucía

UGIJAR wastewater treatment plant serves Ugíjar in Andalucía, Spain, with advanced treatment for a population of 4,100. It discharges treated water inland, contributing to local water quality.

Advanced 4,100 Low

TORRES

Torres, Andalucía

TORRES wastewater treatment plant serves the town of Torres in Andalucía, Spain, providing secondary treatment for a population of approximately 3,000. The plant has a designed capacity of 3,000 m³/day and discharges 543.74 m³/day of treated effluent

Secondary 3,000 Low

TOLOX

Tolox, Andalucía

TOLOX wastewater treatment plant serves the town of Tolox in Andalucía, Spain, with secondary treatment for a population of 5,500. It discharges approximately 997 m³/day and has a designed capacity of 4,922 m³/day.

Secondary 5,500 Low

TABERNAS

Tabernas, Andalucía

Tabernas wastewater treatment plant in Andalucía, Spain, serves 4,100 people with secondary treatment. It discharges 743.11 m³/day and is located inland, contributing to the local water cycle.

Secondary 4,100 Low

COLMENAR

Colmenar, Andalucía

Colmenar wastewater treatment plant serves the town of Colmenar in Andalucía, Spain, with secondary treatment. It treats wastewater for a population of 3,267 and discharges 592.14 cubic meters per day.

Secondary 3,267 Low

SILES

Siles, Andalucía

SILES wastewater treatment plant in Siles, Andalucía, Spain, serves 2,300 people with advanced treatment. It discharges 416.87 m³/day and has a designed capacity of 3,975 m³/day.

Advanced 2,300 Low

SETENIL DE LAS BODEGAS

Setenil de las Bodegas, Andalucía

Setenil de las Bodegas wastewater treatment plant serves the town of Setenil de las Bodegas in Andalucía, Spain. It provides secondary treatment for a population of 5,000.

Secondary 5,000 Low

SERON

Serón, Andalucía

SERON wastewater treatment plant serves the municipality of Serón in Andalucía, Spain. It provides secondary treatment for a population of 2,800 with a designed capacity of 2,800 m³/day.

Secondary 2,800 Low

SANTO TOME

Santo Tomé, Andalucía

SANTO TOME wastewater treatment plant serves the municipality of Santo Tomé in Jaén, Andalucía, Spain. It provides secondary treatment for a population of 3,700 and discharges treated wastewater into local water bodies.

Secondary 3,700 Low

SANTIAGO DE LA ESPADA

Santiago-Pontones, Andalucía

Santiago de la Espada wastewater treatment plant serves 2,542 people in Santiago-Pontones, Andalucía, Spain. It provides primary treatment and discharges 460.73 m³/day into local waterways.

Primary 2,542 Low

SANTA OLALLA DEL CALA

Santa Olalla del Cala, Andalucía

Santa Olalla del Cala wastewater treatment plant serves the town of Santa Olalla del Cala in Andalucía, Spain, with secondary treatment for a population of 3,197.

Secondary 3,197 Low

SAN BARTOLOME DE LA TORRE

Almonaster la Real, Andalucía

San Bartolome de la Torre is an advanced wastewater treatment plant in Almonaster la Real, Andalusia, Spain. It serves a population of 4,826 with a designed capacity of 5,000 m³/day and discharges 874.70 m³/day.

Advanced 4,826 Low

ROSAL DE LA FRONTERA

Rosal de la Frontera, Andalucía

ROSAL DE LA FRONTERA wastewater treatment plant in Rosal de la Frontera, Andalucía, Spain, serves 1,513 people with advanced treatment. It discharges 274.23 m³/day and has a designed capacity of 2,648 m³/day.

Advanced 1,513 Low

ROCIO EL

Almonte, Andalucía

ROCIO EL is an advanced wastewater treatment plant in Almonte, Andalucía, Spain, serving 3,563 people. It discharges 645.78 cubic meters of treated wastewater daily.

Advanced 3,563 Low

RIOGORDO

Riogordo, Andalucía

RIOGORDO advanced wastewater treatment plant serves 3,321 people in Riogordo, Andalucía, Spain. It discharges 601.92 m³/day of treated effluent into the local water system.

Advanced 3,321 Low

REAL DE LA JARA

El Real de la Jara, Andalucía

REAL DE LA JARA wastewater treatment plant serves El Real de la Jara, Sevilla, Andalucía, Spain. It provides secondary treatment for a population of 2,500.

Secondary 2,500 Low

PUEBLA DE DON FADRIQUE

Puebla de Don Fadrique, Andalucía

PUEBLA DE DON FADRIQUE wastewater treatment plant serves the municipality of Puebla de Don Fadrique in Andalucía, Spain. It provides secondary treatment for a population of 3,600.

Secondary 3,600 Low

PLANTA EXP TBC CARRION

Huévar del Aljarafe, Andalucía

PLANTA EXP TBC CARRION is an advanced wastewater treatment plant in Huévar del Aljarafe, Andalucía, Spain. It serves a population of 3,973 with a designed capacity of 4,000 m³/day and discharges 720.10 m³/day.

Advanced 3,973 Low

PERIANA

Periana, Andalucía

PERIANA wastewater treatment plant serves the town of Periana in Andalucía, Spain, with secondary treatment for a population of 2,071. It has a designed capacity of 3,000 m³/day and discharges 375.36 m³/day.

Secondary 2,071 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, SAN BARTOLOME DE LA TORRE has the highest designed capacity at 5,000 m3/day.

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