Wastewater plants in Spain

2,117 plants indexed. Showing 6 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.

6 plants matching filters

ETAR de AcorAn

Santa Cruz de Tenerife, Canarias

ETAR de Acorán is a primary treatment plant in Santa Cruz de Tenerife, Canary Islands, Spain, serving about 4,400 people. It discharges treated wastewater near the coast, operating under Spanish and EU regulations.

Primary 4,402 Medium

ETAR Los Abrigos

Granadilla de Abona, Canarias

ETAR Los Abrigos is a primary wastewater treatment plant in Granadilla de Abona, Tenerife, Canary Islands, serving approximately 4,087 people with a design capacity of 10,000 m³/day.

Primary 4,087 Medium

ETAR de Caletillas

Candelaria, Canarias

ETAR de Caletillas is a primary treatment plant serving 2,442 people in Candelaria, Canary Islands, Spain. It discharges 442.61 m³/day of treated wastewater near the coast of Tenerife.

Primary 2,442 Medium

ETAR de Punta Blanca

Guía de Isora, Canarias

ETAR de Punta Blanca is a primary treatment plant in Guía de Isora, Canary Islands, Spain. Serving about 1,988 people, it discharges treated wastewater near the coast.

Primary 1,988 Medium

ETAR de San Andres

Santa Cruz de Tenerife, Canarias

ETAR de San Andres is a primary treatment plant in Santa Cruz de Tenerife, Canary Islands, Spain, serving 4,618 people. It discharges 837 m³/day of treated wastewater near the coast.

Primary 4,618 Medium

ETAR de Tabaiba

El Rosario, Canarias

ETAR de Tabaiba is a primary treatment plant in El Rosario, Tenerife, Canary Islands, serving 4,611 people with a designed capacity of 10,000 m³/day and discharging 835.73 m³/day.

Primary 4,611 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, ETAR de AcorAn has the highest designed capacity at 10,000 m3/day.

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