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

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

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

ORIHUELA LA APARECIDA

Orihuela, Comunitat Valenciana

ORIHUELA LA APARECIDA is a closed secondary treatment plant in Orihuela, Comunitat Valenciana, Spain. It was designed for a capacity of 1,833 m³/day and is located inland near the Segura River basin.

Secondary Low

MURLA

Murla, Comunitat Valenciana

Murla wastewater treatment plant in Comunitat Valenciana, Spain, is a closed secondary treatment facility with a designed capacity of 500 m³/day, serving the local municipality.

Secondary Low

XIXONA

Xixona / Jijona, Comunitat Valenciana

XIXONA wastewater treatment plant serves Xixona/Jijona in Comunitat Valenciana, Spain, with a population equivalent of 45,268. It operates under the EU Urban Waste Water Treatment Directive.

Not Reported 45,268 Low

XILXES

Xilxes / Chilches, Comunitat Valenciana

XILXES wastewater treatment plant serves Xilxes/Chilches in Comunitat Valenciana, Spain, with a population equivalent of 7,256. The plant has a designed capacity of 1.00 volume unit and is located within 50 km of the coast.

Not Reported 7,256 Low

XATIVA

Xàtiva, Comunitat Valenciana

XATIVA wastewater treatment plant serves Xàtiva, Comunitat Valenciana, Spain. It is an inland facility managing municipal wastewater for a population of 53,437.

Not Reported 53,437 Low

VALLE DEL VINALOPO

Elda, Comunitat Valenciana

VALLE DEL VINALOPO wastewater treatment plant serves Elda, Spain, in the Comunitat Valenciana region. It treats wastewater from a population of 168,365, operating under EU Urban Waste Water Treatment Directive standards.

Not Reported 168,365 Low

VALL DELS ALCALANS

Montserrat, Comunitat Valenciana

VALL DELS ALCALANS wastewater treatment plant serves Montserrat in Comunitat Valenciana, Spain. It is an inland facility designed for a capacity of 1.00 (likely in thousands of cubic meters per day) and serves a population of 11,188.

Not Reported 11,188 Low

VALENCIA MASSARROJOS

València, Comunitat Valenciana

VALENCIA MASSARROJOS is a closed secondary treatment plant in València, Spain. It was designed for a capacity of 1500 cubic meters per day and located within 10 km of the coast.

Secondary Low

VALENCIA EL SALER

València, Comunitat Valenciana

VALENCIA EL SALER wastewater treatment plant serves the El Saler district of València, Spain, with a designed capacity of 1.00 cubic meters per day for a population of 9,637.

Not Reported 9,637 Low

UTIEL

Utiel, Comunitat Valenciana

UTIEL wastewater treatment plant serves Utiel in Comunitat Valenciana, Spain, with a population equivalent of 32,342. It operates under EU Urban Waste Water Treatment Directive 91/271/EEC, which mandates secondary treatment for agglomerations of this

Not Reported 32,342 Low

TIBI

Tibi, Comunitat Valenciana

TIBI wastewater treatment plant in Tibi, Comunitat Valenciana, Spain, is a closed secondary treatment facility with a designed capacity of 1,000 m³/day.

Secondary Low

SIMAT DE LA VALLDIGNA

Simat de la Valldigna, Comunitat Valenciana

SIMAT DE LA VALLDIGNA wastewater treatment plant serves Simat de la Valldigna in Comunitat Valenciana, Spain. It has a designed capacity of 1.00 and serves a population of 5,996.

Not Reported 5,996 Low

SEGORBE

Segorbe, Comunitat Valenciana

SEGORBE wastewater treatment plant serves the municipality of Segorbe in Comunitat Valenciana, Spain. It treats wastewater for approximately 17,318 people under the EU Urban Waste Water Treatment Directive.

Not Reported 17,318 Low

SAN FULGENCIO DAYA

San Fulgencio, Comunitat Valenciana

SAN FULGENCIO DAYA wastewater treatment plant serves San Fulgencio, Spain, with a population equivalent of 24,556. It operates under EU Urban Waste Water Treatment Directive 91/271/EEC.

Not Reported 24,556 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, ORIHUELA LA APARECIDA has the highest designed capacity at 1,833 m3/day.

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