Wastewater plants in Spain

2,117 plants indexed. Showing 583 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.

583 plants matching filters

USERES LES

les Useres / Useras, Comunitat Valenciana

USERES LES is a secondary wastewater treatment plant serving the municipality of les Useres in the Comunitat Valenciana, Spain. It treats wastewater for a population of 1,313 with a designed capacity of 3,910 m³/day.

Secondary 1,313 Low

TURIS 2

Turís, Comunitat Valenciana

TURIS 2 is a secondary wastewater treatment plant in Turís, Comunitat Valenciana, Spain, serving 833 people with a designed capacity of 2000 m³/day and a discharge volume of 200.71 m³/day.

Secondary 833 Low

TURIS 1

Turís, Comunitat Valenciana

TURIS 1 is a secondary wastewater treatment plant in Turís, Comunitat Valenciana, Spain, serving approximately 9,327 people with a designed capacity of 5,000 m³/day and a discharge volume of 672.25 m³/day.

Secondary 9,327 Low

TUEJAR

Tuéjar, Comunitat Valenciana

TUEJAR wastewater treatment plant serves Tuéjar in Comunitat Valenciana, Spain. It provides secondary treatment for a population of 8,042, with a designed capacity of 4,500 m³/day.

Secondary 8,042 Low

TRAIGUERA LA JANA

Traiguera, Comunitat Valenciana

TRAIGUERA LA JANA wastewater treatment plant serves Traiguera in Comunitat Valenciana, Spain. It provides secondary treatment for a population of 3,338 and is located within 10 km of the coast.

Secondary 3,338 Medium

TOUS

Alzira, Comunitat Valenciana

TOUS wastewater treatment plant serves the Alzira area in Comunitat Valenciana, Spain. It provides secondary treatment for a population of 1,320 and discharges 252.64 cubic meters per day.

Secondary 1,320 Low

TORRES TORRES

Torres Torres, Comunitat Valenciana

TORRES TORRES is a secondary wastewater treatment plant in Torres Torres, Comunitat Valenciana, Spain, serving a population of 2,506. It discharges 257.68 m³/day of treated effluent and is located within 10 km of the coast.

Secondary 2,506 Medium

TORREBAJA

Ademuz, Comunitat Valenciana

Torrebaja wastewater treatment plant serves Ademuz in Comunitat Valenciana, Spain, treating secondary-level wastewater for a population of 1,949. It discharges a daily volume of 202.73 cubic meters.

Secondary 1,949 Low

TERESA DE COFRENTES

Teresa de Cofrentes, Comunitat Valenciana

Teresa de Cofrentes wastewater treatment plant serves the municipality in Comunitat Valenciana, Spain, with secondary treatment for a population of 849. It has a designed capacity of 2,500 m³/day and discharges 113.59 m³/day.

Secondary 849 Low

TALES SUERAS

Onda, Comunitat Valenciana

TALES SUERAS wastewater treatment plant serves Onda, Spain, with secondary treatment. It treats wastewater for a population equivalent of 1,111 and has a designed capacity of 5,550 m³/day.

Secondary 1,111 Low

SUMACARCER

Sumacàrcer, Comunitat Valenciana

SUMACARCER wastewater treatment plant serves Sumacàrcer in Comunitat Valenciana, Spain. It provides secondary treatment for a population of 1,218 and discharges 156.48 m³/day.

Secondary 1,218 Low

SONEJA

Soneja, Comunitat Valenciana

SONEJA wastewater treatment plant serves Soneja in Comunitat Valenciana, Spain, treating municipal wastewater for a population of 2,457 with secondary treatment.

Secondary 2,457 Low

SIETE AGUAS

Siete Aguas, Comunitat Valenciana

SIETE AGUAS wastewater treatment plant serves the municipality of Siete Aguas in Comunitat Valenciana, Spain. It provides secondary treatment for a population of 4,791 and has a designed capacity of 3,000 m³/day.

Secondary 4,791 Low

SANT MATEU

Sant Mateu, Comunitat Valenciana

SANT MATEU wastewater treatment plant serves Sant Mateu, Comunitat Valenciana, Spain. It provides secondary treatment for a population of 2,638 and discharges 560.73 m³/day.

Secondary 2,638 Low

SANT JOAN DE MORO

Sant Joan de Moró, Comunitat Valenciana

SANT JOAN DE MORO is a secondary wastewater treatment plant serving 3,364 people in Sant Joan de Moró, Comunitat Valenciana, Spain. It discharges 518.81 m³/day of treated effluent.

Secondary 3,364 Low

SAN JORGE

Càlig, Comunitat Valenciana

SAN JORGE wastewater treatment plant serves Càlig, Comunitat Valenciana, Spain. It provides secondary treatment for a population of 1,313 and discharges treated wastewater near the Mediterranean coast.

Secondary 1,313 Medium

ROTOVA

Alfauir, Comunitat Valenciana

ROTOVA wastewater treatment plant in Alfauir, Comunitat Valenciana, Spain, serves 2,092 people with secondary treatment. It discharges 204.14 m³/day and is located within 10 km of the coast.

Secondary 2,092 Medium

PEDRALBA

Pedralba, Comunitat Valenciana

Pedralba wastewater treatment plant serves the municipality of Pedralba in Comunitat Valenciana, Spain. It provides secondary treatment for a population of 3,571 and has a designed capacity of 3,500 m³/day.

Secondary 3,571 Low

PALMA DE GANDIA ADOR

Palma de Gandía, Comunitat Valenciana

Palma de Gandía Ador is a secondary wastewater treatment plant serving 4,630 people in Palma de Gandía, Comunitat Valenciana, Spain. It discharges 711.28 m³/day and is located within 10 km of the Mediterranean coast.

Secondary 4,630 Medium

OLIVA CAMPING SAN FERNANDO

Oliva, Comunitat Valenciana

OLIVA CAMPING SAN FERNANDO is a secondary treatment plant serving 1,732 people in Oliva, Comunitat Valenciana, Spain. It discharges 225.80 m³/day of treated wastewater near the Mediterranean coast.

Secondary 1,732 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, SANT JOAN DE MORO has the highest designed capacity at 7,947 m3/day.

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