Wastewater plants in Spain

2,117 plants indexed. Showing 1,594 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.

1,594 plants matching filters

LLOSA DE RANES

la Llosa de Ranes, Comunitat Valenciana

LLOSA DE RANES wastewater treatment plant serves la Llosa de Ranes in Comunitat Valenciana, Spain. It provides secondary treatment for a population of 11,377 and has a designed capacity of 10,537 m³/day.

Secondary 11,377 Low

LLOCNOU D EN FENOLLET

Llocnou d'en Fenollet, Comunitat Valenciana

Llocnou d'en Fenollet wastewater treatment plant serves 3,325 people in Comunitat Valenciana, Spain, with secondary treatment. It discharges 117.84 m³/day and has a designed capacity of 2,000 m³/day.

Secondary 3,325 Low

JERICA

Jérica, Comunitat Valenciana

JERICA wastewater treatment plant serves the municipality of Jérica in Comunitat Valenciana, Spain. It provides secondary treatment for a population of 3,731 and has a designed capacity of 8,341 m³/day.

Secondary 3,731 Low

JARAFUEL

Jarafuel, Comunitat Valenciana

JARAFUEL wastewater treatment plant serves the municipality of Jarafuel in Comunitat Valenciana, Spain. It provides secondary treatment for a population of 2,054 and has a designed capacity of 2,500 m³/day.

Secondary 2,054 Low

HONDON DE LAS NIEVES

el Fondó de les Neus / Hondón de las Nieves, Comunitat Valenciana

HONDON DE LAS NIEVES wastewater treatment plant serves el Fondó de les Neus in Comunitat Valenciana, Spain. It provides advanced treatment for a population of 2,023.

Advanced 2,023 Low

GODELLETA

Godelleta, Comunitat Valenciana

GODELLETA wastewater treatment plant serves Godelleta in Comunitat Valenciana, Spain. It provides secondary treatment for a population of 2,931 and has a designed capacity of 3,000 m³/day.

Secondary 2,931 Low

GESTALGAR

Gestalgar, Comunitat Valenciana

Gestalgar wastewater treatment plant serves the municipality of Gestalgar in Comunitat Valenciana, Spain, with secondary treatment. It has a designed capacity of 2,000 m³/day and serves a population of 975.

Secondary 975 Low

GENOVES

el Genovés, Comunitat Valenciana

GENOVES wastewater treatment plant serves el Genovés in Comunitat Valenciana, Spain. It provides secondary treatment for a population of 4,365 and discharges 418.76 cubic meters of treated wastewater daily.

Secondary 4,365 Low

GATOVA

Gátova, Comunitat Valenciana

GATOVA wastewater treatment plant serves the municipality of Gátova in Comunitat Valenciana, Spain. It provides secondary treatment for a population of 594 with a designed capacity of 2000 cubic meters per day.

Secondary 594 Low

ALCANTERA CARCER

Càrcer, Comunitat Valenciana

ALCANTERA CARCER is a secondary wastewater treatment plant in Càrcer, Comunitat Valenciana, Spain, serving approximately 18,177 people. It has a designed capacity of 6,900 m³/day and discharges 629.62 m³/day.

Secondary 18,177 Low

PLIEGO

Pliego, Región de Murcia

PLIEGO wastewater treatment plant in Pliego, Región de Murcia, Spain, serves 5,660 people with advanced treatment. It discharges 477.24 m³/day and has a designed capacity of 12,500 m³/day.

Advanced 5,660 Low

ALTORREAL

Molina de Segura, Región de Murcia

ALTORREAL is a closed advanced wastewater treatment plant in Molina de Segura, Región de Murcia, Spain. It served a population of 2,759 and had a designed capacity of 9,000 m³/day.

Advanced 2,759 Low

BLANCA

Blanca, Región de Murcia

BLANCA wastewater treatment plant serves the town of Blanca in the Región de Murcia, Spain. It provides advanced treatment for a population of 5,264, with a designed capacity of 13,300 m³/day.

Advanced 5,264 Low

LIBRILLA

Librilla, Región de Murcia

Librilla wastewater treatment plant in Región de Murcia, Spain, serves 4,825 people with advanced treatment. It discharges 662 m³/day and has a designed capacity of 16,500 m³/day.

Advanced 4,825 Low

FUENTE LIBRILLA

Mula, Región de Murcia

FUENTE LIBRILLA wastewater treatment plant serves Mula in the Región de Murcia, Spain. It provides secondary treatment for a population of 2,540 with a designed capacity of 3,000 m³/day.

Secondary 2,540 Low

CAMPOS DEL RIO

Campos del Río, Región de Murcia

Campos del Río wastewater treatment plant serves 2,026 residents in the Región de Murcia, Spain, with advanced treatment. It discharges 242.66 m³/day and has a designed capacity of 12,000 m³/day.

Advanced 2,026 Low

ALCUDIA DE GUADIX ESFILIANA

Valle del Zalabí, Andalucía

ALCUDIA DE GUADIX ESFILIANA is an advanced wastewater treatment plant serving Valle del Zalabí, Andalucía, Spain. It treats wastewater for a population of 4,646 with a designed capacity of 5,000 m³/day.

Advanced 4,646 Low

ALCAUCIN

Alcaucín, Andalucía

ALCAUCIN wastewater treatment plant serves Alcaucín, Málaga, Andalucía, Spain. It provides secondary treatment for a population of 4,937 and has a designed capacity of 4,937 m³/day.

Secondary 4,937 Low

CORIPE

Coripe, Andalucía

CORIPE wastewater treatment plant serves Coripe, Andalucía, Spain, treating wastewater for 2,400 people with secondary treatment. The plant has a designed capacity of 2,400 m³/day and discharges 435 m³/day.

Secondary 2,400 Low

CASTILBLANCO DE LOS ARROYOS

Castilblanco de los Arroyos, Andalucía

Castilblanco de los Arroyos wastewater treatment plant serves the town of Castilblanco de los Arroyos in Andalucía, Spain. It provides secondary treatment for a population of 4,532.

Secondary 4,532 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, LIBRILLA has the highest designed capacity at 16,500 m3/day.

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