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.
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.
CACERES wastewater treatment plant serves the city of Cáceres in Extremadura, Spain, with a population of 125,800. It operates under the EU Urban Waste Water Treatment Directive.
Brozas wastewater treatment plant serves the town of Brozas in Extremadura, Spain. The facility handles municipal wastewater for a population of approximately 5,700.
ARROYO DE LA LUZ wastewater treatment plant serves 11,800 people in Arroyo de la Luz, Extremadura, Spain. It operates under EU Urban Waste Water Treatment Directive standards for inland communities.
ALISEDA wastewater treatment plant serves the town of Aliseda in Extremadura, Spain, with a population of approximately 5,700. The plant operates under Spain's implementation of the EU Urban Waste Water Treatment Directive.
LA ZARZA wastewater treatment plant serves the town of La Zarza in Extremadura, Spain. It handles a population of 8,400 and operates under EU Urban Waste Water Treatment Directive standards.
ZALAMEA DE LA SERENA wastewater treatment plant serves the town of Zalamea de la Serena in Extremadura, Spain. It treats wastewater for approximately 12,900 people under the EU Urban Waste Water Treatment Directive.
CORIA wastewater treatment plant serves the city of Coria in Extremadura, Spain. It handles a population of approximately 16,700 and discharges into the Alagón River, a tributary of the Tagus.
CASATEJADA wastewater treatment plant serves Casatejada, Cáceres, in Extremadura, Spain. It handles a population of 8,500 and operates under EU Urban Waste Water Treatment Directive standards.
CASAR DE CACERES wastewater treatment plant serves Casar de Cáceres, Extremadura, Spain, with a population of 9,000. It operates under EU Urban Waste Water Treatment Directive standards.
Hornachos wastewater treatment plant serves the town of Hornachos in Extremadura, Spain. It is an inland facility treating wastewater for approximately 6,400 residents.
UtilityRadar indexes 2117 wastewater treatment plants in Spain, with treatment level, capacity, operator and discharge data on each record.