2,117 plants indexed. Showing 1,147 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.
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.
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.
The largest plant indexed for Spain is LA ALJORRA, with a designed capacity of 70,417 m³/day.
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.
Bullas wastewater treatment plant serves the municipality of Bullas in the Region of Murcia, Spain. It handles wastewater from a population of approximately 33,632 under the EU Urban Waste Water Treatment Directive.
BENIEL wastewater treatment plant serves the municipality of Beniel in the Región de Murcia, Spain. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.
ARCHENA wastewater treatment plant serves the municipality of Archena in the Region of Murcia, Spain, with a population of approximately 33,176. It operates under Spain's implementation of the EU Urban Waste Water Treatment Directive.
MOLINA DE SEGURA NORTE is a major wastewater treatment plant serving 178,772 people in Molina de Segura, Región de Murcia, Spain. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations ov
MAZARRON wastewater treatment plant serves Mazarrón, Spain, in the Región de Murcia. It is located near the coast and operates under EU Urban Waste Water Treatment Directive standards.
LORQUI wastewater treatment plant serves Lorquí in the Vega Media del Segura, Región de Murcia, Spain. It handles a population of approximately 20,388 and operates under EU regulations.
LORCA wastewater treatment plant serves the city of Lorca in the Region of Murcia, Spain. It handles a population equivalent of approximately 77,865 and is located inland, discharging into the Guadalentín River basin.
JUMILLA wastewater treatment plant serves the city of Jumilla in the Region of Murcia, Spain, with a population equivalent of 55,261. It operates under the EU Urban Waste Water Treatment Directive.
FUENTE ALAMO wastewater treatment plant serves Fuente Álamo de Murcia in the Región de Murcia, Spain, with a designed capacity of 1.00. It supports a population of approximately 12,088.
Fortuna wastewater treatment plant serves the town of Fortuna in the Region of Murcia, Spain. It has a designed capacity of 1.00 and serves a population of 7,436.
CIEZA wastewater treatment plant serves Cieza in the Región de Murcia, Spain, with a population of approximately 47,898. The plant discharges into the Segura River basin, supporting local water quality and downstream ecosystems.
CEHEGIN wastewater treatment plant serves Cehegín in the Región de Murcia, Spain. It treats wastewater for approximately 19,500 people as part of the region's municipal infrastructure.
MAR MENOR SUR is a wastewater treatment plant serving Cartagena, Spain, in the Region of Murcia. It handles a population equivalent of 163,629, operating under EU regulatory standards.
ATAMARIA wastewater treatment plant serves Cartagena, Spain, in the Región de Murcia. It handles a population of 8,439 and has a designed capacity of 1.00 volume units.
The ALGUAZAS wastewater treatment plant serves the municipality of Alguazas in the Region of Murcia, Spain, with a population equivalent of 62,787. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for
The CEUTI wastewater treatment plant serves Ceutí in the Región de Murcia, Spain, with a population of 31,170. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.
Los Alcázares wastewater treatment plant serves 61,529 people in the Campo de Cartagena y Mar Menor region of Murcia, Spain. The facility is located within 50 km of the coast, discharging into the ecologically sensitive Mar Menor coastal lagoon.
SANTOMERA NORTE is a municipal wastewater treatment plant serving Santomera in the Region of Murcia, Spain. It serves a population of approximately 30,948 and operates under EU Urban Waste Water Treatment Directive standards.
Yecla wastewater treatment plant serves the municipality of Yecla in the Altiplano region of Murcia, Spain. It handles a population equivalent of approximately 37,000 under the EU Urban Waste Water Treatment Directive.
LA UNION wastewater treatment plant serves Cartagena, Spain, in the Región de Murcia. It treats wastewater from a population of approximately 17,852 under EU regulatory standards.
UtilityRadar indexes 2117 wastewater treatment plants in Spain, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, BENIEL has the highest designed capacity at 1 m3/day.