2,117 plants indexed. Showing 804 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.
NAVALVILLAR DE PELA wastewater treatment plant serves the town of Navalvillar de Pela in Extremadura, Spain. It treats wastewater from approximately 7,100 residents.
Monterrubio de la Serena wastewater treatment plant serves the town of Monterrubio de la Serena in Extremadura, Spain. It operates under EU regulations for small agglomerations.
MONESTERIO wastewater treatment plant serves the town of Monesterio in Extremadura, Spain. It treats wastewater for approximately 8,800 residents under the EU Urban Waste Water Treatment Directive.
MERIDA wastewater treatment plant serves Mérida, Extremadura, Spain, with a population of 85,000. It operates under the EU Urban Waste Water Treatment Directive, ensuring compliance with secondary treatment standards for medium-sized agglomerations.
MEDELLIN wastewater treatment plant serves Medellín, Extremadura, Spain, with a population of 7,800. It operates under EU Urban Waste Water Treatment Directive 91/271/EEC.
LLERENA wastewater treatment plant serves Llerena, Extremadura, Spain, with a population equivalent of 13,800. The plant operates under EU Urban Waste Water Treatment Directive 91/271/EEC, which mandates secondary treatment for agglomerations of this
JEREZ DE LOS CABALLEROS wastewater treatment plant serves the town of Jerez de los Caballeros in Extremadura, Spain. It treats wastewater for a population of approximately 22,100.
Fregenal de la Sierra wastewater treatment plant serves the town of Fregenal de la Sierra in Extremadura, Spain. It treats wastewater for approximately 11,200 residents.
FERIA wastewater treatment plant serves the town of Feria in Extremadura, Spain. It treats wastewater from approximately 5,800 residents under EU regulatory standards.
CORONADA LA wastewater treatment plant serves La Coronada, Extremadura, Spain, with a population of 5,800. It is an inland facility operating under EU regulations.
CASTUERA wastewater treatment plant serves the municipality of Castuera in Extremadura, Spain. It handles a population equivalent of approximately 14,500 under the EU Urban Waste Water Treatment Directive.
Campanario wastewater treatment plant serves the town of Campanario in Extremadura, Spain, with a population of approximately 9,200. It operates under the EU Urban Waste Water Treatment Directive.
CALAMONTE wastewater treatment plant serves the Mérida area in Extremadura, Spain. It treats wastewater from approximately 7,200 people under EU regulatory standards.
CABEZA DEL BUEY wastewater treatment plant serves 16,500 people in Cabeza del Buey, Extremadura, Spain. It operates under EU regulations for inland communities.
BURGUILLOS DEL CERRO wastewater treatment plant serves Burguillos del Cerro in Extremadura, Spain. It handles a population of 7,100 under EU Urban Waste Water Treatment Directive 91/271/EEC.
FUENTES DE LEON wastewater treatment plant serves the municipality of Fuentes de León in Extremadura, Spain, with a population equivalent of 6,600.
FUENTE DEL MAESTRE wastewater treatment plant serves Fuente del Maestre in Extremadura, Spain. It treats wastewater from approximately 9,700 residents under EU regulatory standards.
FUENTE DE CANTOS wastewater treatment plant serves the town of Fuente de Cantos in Extremadura, Spain, with a population equivalent of 11,900. The plant operates under Spain's implementation of the EU Urban Waste Water Treatment Directive.
MALPARTIDA PLASENCIA I is a municipal wastewater treatment plant serving Malpartida de Plasencia, Extremadura, Spain. It serves approximately 8,000 people and operates under EU Urban Waste Water Treatment Directive standards.
MALPARTIDA DE CACERES wastewater treatment plant serves the town of Malpartida de Cáceres in Extremadura, Spain. It treats wastewater from approximately 7,900 residents.
UtilityRadar indexes 2117 wastewater treatment plants in Spain, with treatment level, capacity, operator and discharge data on each record.