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.
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.
TOTANA wastewater treatment plant serves Totana in the Región de Murcia, Spain. It has a designed capacity of 1.00 (units unspecified) and serves a population of 30,335.
TORRES DE COTILLAS wastewater treatment plant serves Las Torres de Cotillas in the Región de Murcia, Spain. It treats wastewater for a population of approximately 77,442 under EU regulatory standards.
The Algeciras wastewater treatment plant serves over 174,000 people in Andalucía, Spain. Located near the Port of Algeciras, it discharges into the Bay of Algeciras, part of the Mediterranean Sea.
ALGARROBO wastewater treatment plant serves Algarrobo-Costa in Andalucía, Spain, with a population equivalent of 12,247. The facility has a designed capacity of 1.00 volume units and is located within 50 km of the coast.
Alcalá la Real wastewater treatment plant serves approximately 20,000 people in Andalucía, Spain. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this size.
Cartagena Cabezo Beaza wastewater treatment plant serves over 200,000 people in Cartagena, Spain. Located in the Región de Murcia, it operates under the EU Urban Waste Water Treatment Directive.
CARAVACA DE LA CRUZ wastewater treatment plant serves the municipality of Caravaca de la Cruz in the Region of Murcia, Spain. It treats wastewater for approximately 35,000 residents as part of the regional sanitation infrastructure.
Cortegana wastewater treatment plant serves the municipality of Cortegana in Andalucía, Spain, with a population of approximately 7,300. The plant operates under the EU Urban Waste Water Treatment Directive, ensuring compliance with secondary treatme
CORONIL EL wastewater treatment plant serves El Coronil in Andalucía, Spain. It treats municipal wastewater for approximately 8,182 residents under EU regulatory standards.
COPERO wastewater treatment plant serves Dos Hermanas, Spain, a large agglomeration of over 710,000 people. The plant operates under EU Urban Waste Water Treatment Directive 91/271/EEC, which mandates advanced treatment for sensitive areas.
UtilityRadar indexes 2117 wastewater treatment plants in Spain, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, MAR MENOR SUR has the highest designed capacity at 1 m3/day.