Wastewater plants in Spain

2,117 plants indexed. Showing 368 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.

368 plants matching filters

LOS GALLARDOS

Los Gallardos, Andalucía

Los Gallardos wastewater treatment plant in Andalucía, Spain, is currently closed. It served a population of 5,555 and had a designed capacity of 1.00 (units unspecified).

Not Reported 5,555 Low

CEUTA

Ceuta, Unknown

CEUTA wastewater treatment plant serves the city of Ceuta, Spain, with a population equivalent of 114,595. The plant is located near the Mediterranean coast and operates under EU regulations.

Not Reported 114,595 Medium

ALMUNECAR

Almuñécar, Andalucía

ALMUNECAR wastewater treatment plant serves Almuñécar, Andalucía, Spain, treating wastewater for approximately 124,700 people. The facility is located near the Mediterranean coast and operates under EU regulatory standards.

Not Reported 124,700 Medium

ALCALA DE XIVERT ALCOSSEBRE

Alcalà de Xivert, Comunitat Valenciana

ALCALA DE XIVERT ALCOSSEBRE is a wastewater treatment plant serving Alcalà de Xivert, Spain. It treats wastewater for a population of 22,335 in the Comunitat Valenciana region.

Not Reported 22,335 Medium

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

XERACO

Xeraco, Comunitat Valenciana

XERACO wastewater treatment plant serves the municipality of Xeraco in Comunitat Valenciana, Spain. It treats wastewater for a population of approximately 15,216 and has a designed capacity of 1.00 cubic meters per day.

Not Reported 15,216 Medium

XABIA

Xàbia / Jávea, Comunitat Valenciana

XABIA wastewater treatment plant serves Xàbia/Jávea in Comunitat Valenciana, Spain, with a designed capacity of 1.00 (units unspecified) and a population equivalent of 82,500. It operates under the EU Urban Waste Water Treatment Directive.

Not Reported 82,500 Medium

VALL D UIXO

la Vall d'Uixó, Comunitat Valenciana

VALL D UIXO wastewater treatment plant serves la Vall d'Uixó in Comunitat Valenciana, Spain. It treats wastewater for approximately 45,000 residents under EU regulatory standards.

Not Reported 45,013 Medium

VALENCIA PERELLONET

València, Comunitat Valenciana

Valencia Perellonet wastewater treatment plant serves the coastal community of el Perellonet near València, Spain. It operates under EU Urban Waste Water Treatment Directive standards for medium agglomerations.

Not Reported 14,698 Medium

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

TORREVIEJA

Torrevieja, Comunitat Valenciana

Torrevieja wastewater treatment plant serves over 213,000 people in the Comunitat Valenciana, Spain. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for large agglomerations.

Not Reported 213,797 Medium

TORRENT

Picanya, Comunitat Valenciana

TORRENT wastewater treatment plant serves Picanya in Comunitat Valenciana, Spain, with a population equivalent of 60,165. The plant is located within 50 km of the coast and operates under EU Urban Waste Water Treatment Directive standards.

Not Reported 60,165 Medium

TORREBLANCA

Unknown, Unknown

Torreblanca wastewater treatment plant serves approximately 10,423 people in Spain. Located near the coast, it operates under the EU Urban Waste Water Treatment Directive.

Not Reported 10,423 Medium

TEULADA MORAIRA

Moraira, Comunitat Valenciana

TEULADA MORAIRA wastewater treatment plant serves Moraira, Spain, in the Comunitat Valenciana region. It handles a population of 10,830 and discharges into the Mediterranean coastal environment.

Not Reported 10,830 Medium

TAVERNES CASCO

Tavernes de la Valldigna, Comunitat Valenciana

Tavernes Casco wastewater treatment plant serves Tavernes de la Valldigna in Comunitat Valenciana, Spain. It is located within 50 km of the coast and serves a population of approximately 32,935.

Not Reported 32,935 Medium

TAVERNES BASA

Tavernes de la Valldigna, Comunitat Valenciana

Tavernes Basa wastewater treatment plant serves Tavernes de la Valldigna, Spain, treating municipal wastewater for over 10,000 residents. The plant is located near the coast in the Comunitat Valenciana region.

Not Reported 10,208 Medium

SUECA EL PERELLO

Sueca, Comunitat Valenciana

SUECA EL PERELLO wastewater treatment plant serves Sueca, Spain, in the Comunitat Valenciana region. It treats wastewater for approximately 12,050 people and is located near the Mediterranean coast.

Not Reported 12,050 Medium

SUECA

Sueca, Comunitat Valenciana

SUECA wastewater treatment plant serves Sueca in Comunitat Valenciana, Spain, with a population equivalent of 27,555. The facility operates under Spain's implementation of the EU Urban Waste Water Treatment Directive.

Not Reported 27,555 Medium

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

SANTA POLA

Santa Pola, Comunitat Valenciana

Santa Pola wastewater treatment plant serves the coastal municipality of Santa Pola in Comunitat Valenciana, Spain. It handles wastewater from a population of approximately 96,202 under EU regulatory standards.

Not Reported 96,202 Medium

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, LOS GALLARDOS has the highest designed capacity at 1 m3/day.

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