Wastewater plants in Spain

2,117 plants indexed. Showing 69 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.

69 plants matching filters

SORBAS

Sorbas, Andalucía

SORBAS wastewater treatment plant in Sorbas, Andalucía, Spain, is a secondary treatment facility serving 1,374 people. It has a designed capacity of 2,000 m³/day and is currently closed.

Secondary 1,374 Low

PURCHENA

Purchena, Andalucía

PURCHENA wastewater treatment plant in Purchena, Andalucía, Spain, serves 1,840 people with secondary treatment. It has a designed capacity of 2,000 m³/day and discharges 333.50 m³/day.

Secondary 1,840 Low

NUEVA JARILLA

Jerez de la Frontera, Andalucía

NUEVA JARILLA wastewater treatment plant in Jerez de la Frontera, Andalucía, Spain, serves a population of 2,075 with secondary treatment. The plant is now closed.

Secondary 2,075 Low

ALBANCHEz DE MAGINA

Albanchez de Mágina, Andalucía

Albanchez de Mágina wastewater treatment plant in Andalucía, Spain, serves a population of 1,440 with secondary treatment. The facility is currently closed.

Secondary 1,440 Low

ZUFRE

Zufre, Andalucía

ZUFRE wastewater treatment plant in Zufre, Andalucía, Spain, serves a population of 1,200 with secondary treatment. The plant is currently closed and has a designed capacity of 2,100 m³/day.

Secondary 1,200 Low

SAN JOSE

Santa Cruz de Tenerife, Canarias

SAN JOSE wastewater treatment plant in Santa Cruz de Tenerife, Canary Islands, Spain, is a closed secondary treatment facility serving 1,365 people. It discharged 247.40 m³/day before closure.

Secondary 1,365 Medium

LA LAJITA

La Lajita, Canarias

LA LAJITA is a secondary wastewater treatment plant in La Lajita, Canarias, Spain. It serves a population of 1,000 and has a designed capacity of 3,000 m³/day, though it is currently closed.

Secondary 1,000 Medium

ALCALA DE XIVERT CAP ICORP

Alcalà de Xivert, Comunitat Valenciana

ALCALA DE XIVERT CAP ICORP is a closed secondary treatment plant in Alcalà de Xivert, Comunitat Valenciana, Spain. It served 2,274 people with a designed capacity of 2,500 m³/day.

Secondary 2,274 Medium

VILLAFRANCA DE EBRO

Villafranca de Ebro, Aragón

Villafranca de Ebro wastewater treatment plant in Aragon, Spain serves approximately 5,000 people with secondary treatment. The facility is currently closed.

Secondary 4,958 Low

AOIZ

Aoiz / Agoitz, Navarra

AOIZ wastewater treatment plant in Aoiz/Agoitz, Navarra, Spain, serves a population of 5,417 with secondary treatment. The plant is currently closed and has a designed capacity of 7,083 m³/day.

Secondary 5,417 Low

ABLITAS

Ablitas, Navarra

ABLITAS wastewater treatment plant in Ablitas, Navarra, Spain, serves a population of 3,102 with secondary treatment. The plant is now closed, but its designed capacity was 3,500 m³/day.

Secondary 3,102 Low

VIANA DO BOLO

Viana do Bolo, Galicia

Viana do Bolo wastewater treatment plant in Galicia, Spain, serves 1,566 people with secondary treatment. The plant is currently closed, with a designed capacity of 2,500 m³/day.

Secondary 1,566 Low

BENEJUZAR

Biel, Aragón

BENEJUZAR wastewater treatment plant in Biel, Aragón, Spain, is a closed facility with secondary treatment and a designed capacity of 17,500 m³/day.

Secondary Low

VILLARGORDO DEL CABRIEL

Villargordo del Cabriel, Comunitat Valenciana

VILLARGORDO DEL CABRIEL wastewater treatment plant in Villargordo del Cabriel, Comunitat Valenciana, Spain, is currently closed. It was designed with a capacity of 1,666 m³/day and provided secondary treatment.

Secondary Low

VENTA DEL MORO

Venta del Moro, Comunitat Valenciana

VENTA DEL MORO wastewater treatment plant in Venta del Moro, Comunitat Valenciana, Spain, is a closed secondary treatment facility with a designed capacity of 1,625 m³/day.

Secondary Low

SINARCAS

Sinarcas, Comunitat Valenciana

SINARCAS wastewater treatment plant in Sinarcas, Comunitat Valenciana, Spain, is a closed secondary treatment facility with a designed capacity of 1408 m³/day.

Secondary Low

GAVARDA

Alberic, Comunitat Valenciana

GAVARDA is a closed secondary treatment plant in Alberic, Comunitat Valenciana, Spain. It was designed with a capacity of 739 m³/day and served the local urban area.

Secondary Low

CANET D EN BERENGUER

Sagunt / Sagunto, Comunitat Valenciana

CANET D EN BERENGUER is a closed secondary treatment plant near Sagunt, Valencia, Spain. It served the Almardà area with a designed capacity of 12,415 m³/day and is within 10 km of the Mediterranean coast.

Secondary Medium

ALCUBLAS

Andilla, Comunitat Valenciana

ALCUBLAS is a closed secondary treatment plant in Andilla, Comunitat Valenciana, Spain. It was designed with a capacity of 1,151 m³/day, serving the local area before ceasing operations.

Secondary Low

RIBESALBES

Ribesalbes, Comunitat Valenciana

RIBESALBES is a closed secondary treatment plant in Ribesalbes, Comunitat Valenciana, Spain. It was designed for a capacity of 1,808 m³/day.

Secondary 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, BENEJUZAR has the highest designed capacity at 17,500 m3/day.

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