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

CULLAR

Cúllar, Andalucía

CULLAR wastewater treatment plant serves Cúllar, Granada, Andalucía, Spain. It provides secondary treatment for a population of 3,500 with a designed capacity of 5,000 m³/day.

Secondary 3,500 Low

CUEVAS DEL CAMPO

Cuevas del Campo, Andalucía

CUEVAS DEL CAMPO wastewater treatment plant serves 1,800 people in Cuevas del Campo, Andalucía, Spain. It provides secondary treatment and has a designed capacity of 3,500 m³/day.

Secondary 1,800 Low

CORTES DE BAZA

Cortes de Baza, Andalucía

Cortes de Baza wastewater treatment plant serves the municipality of Cortes de Baza in Andalucía, Spain. It provides secondary treatment for a population of 2,924 and has a designed capacity of 2,000 m³/day.

Secondary 2,924 Low

ALBOX NUEVA

Albox, Andalucía

ALBOX NUEVA is a secondary wastewater treatment plant serving Albox, Andalucía, Spain. It treats wastewater for approximately 5,500 people with a designed capacity of 11,000 m³/day.

Secondary 5,500 Low

ALANIS

Alanís, Andalucía

ALANIS wastewater treatment plant in Alanís, Andalucía, Spain, serves a population of 3,383 with advanced treatment. It discharges 613.16 cubic meters of treated wastewater, supporting local water quality.

Advanced 3,383 Low

ABRUCENA

Abrucena, Andalucía

Abrucena wastewater treatment plant serves the municipality of Abrucena in Almería, Andalucía, Spain. It provides secondary treatment for a population of 2,386.

Secondary 2,386 Low

ABLA

Abla, Andalucía

ABLA wastewater treatment plant in Abla, Andalucía, Spain, serves a population of 2,237 with secondary treatment. It discharges 405.45 m³/day and has a designed capacity of 2,680 m³/day.

Secondary 2,237 Low

LLOSETA

Lloseta, Illes Balears

LLOSETA wastewater treatment plant in Lloseta, Illes Balears, Spain, serves 5,118 people with advanced treatment. It discharges 774.46 cubic meters per day and has a designed capacity of 5,600 cubic meters per day.

Advanced 5,118 Low

CONSELL

Consell, Illes Balears

CONSELL wastewater treatment plant serves Consell in Illes Balears, Spain, with secondary treatment for a population of 4,344. It discharges 580.16 m³/day of treated wastewater, with a designed capacity of 2,650 m³/day.

Secondary 4,344 Low

ALGAIDA MONTUIRI

Algaida, Illes Balears

ALGAIDA MONTUIRI is an advanced wastewater treatment plant serving Algaida, Mallorca, Spain. It treats wastewater for 6,566 people with a designed capacity of 7,000 m³/day.

Advanced 6,566 Low

PORRERES

Porreres, Illes Balears

PORRERES wastewater treatment plant serves Porreres, Illes Balears, Spain, with advanced treatment for a population of 7,329. It discharges 810.35 m³/day and has a designed capacity of 5,500 m³/day.

Advanced 7,329 Low

ALARO

Alaró, Illes Balears

ALARO is a secondary wastewater treatment plant in Alaró, Illes Balears, Spain, serving 4,600 people. It discharges 778.29 m³/day and has a designed capacity of 9,000 m³/day.

Secondary 4,600 Low

VILAFRANCA

Vilafranca de Bonany, Illes Balears

VILAFRANCA wastewater treatment plant serves Vilafranca de Bonany in the Illes Balears, Spain. It provides advanced treatment for a population of 3,435 and has a designed capacity of 3,000 m³/day.

Advanced 3,435 Low

SELVA

Selva, Illes Balears

SELVA wastewater treatment plant serves the town of Selva in the Balearic Islands, Spain. It provides advanced treatment for a population of 2,043 and has a designed capacity of 3,000 m³/day.

Advanced 2,043 Low

SANTA MARIA

Consell, Illes Balears

Santa Maria wastewater treatment plant serves Consell in the Balearic Islands, Spain. It provides advanced treatment for a population of 5,152, with a designed capacity of 5,000 m³/day.

Advanced 5,152 Low

SANT JOAN

Sant Joan, Illes Balears

SANT JOAN wastewater treatment plant serves 2,027 people in Sant Joan, Mallorca, Spain. It provides secondary treatment and has a designed capacity of 2,000 m³/day.

Secondary 2,027 Low

FUENTERROBLES

Fuenterrobles, Comunitat Valenciana

FUENTERROBLES wastewater treatment plant serves the municipality of Fuenterrobles in Comunitat Valenciana, Spain. It provides secondary treatment for a population of 2,014 and has a designed capacity of 4,000 m³/day.

Secondary 2,014 Low

FONT DE LA FIGUERA

la Font de la Figuera, Comunitat Valenciana

Font de la Figuera wastewater treatment plant serves the municipality of la Font de la Figuera in Comunitat Valenciana, Spain. It provides secondary treatment for a population of 6,192.

Secondary 6,192 Low

DOS AGUAS

Dos Aguas, Comunitat Valenciana

DOS AGUAS is a secondary wastewater treatment plant serving 583 people in Dos Aguas, Comunitat Valenciana, Spain. It has a designed capacity of 2,000 m³/day and discharges 75.83 m³/day.

Secondary 583 Low

DOMENO

Domeño, Comunitat Valenciana

DOMENO wastewater treatment plant serves Domeño, Comunitat Valenciana, Spain. It provides secondary treatment for a population of 818 with a designed capacity of 2000 m³/day.

Secondary 818 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, ALBOX NUEVA has the highest designed capacity at 11,000 m3/day.

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