2,117 plants indexed. Showing 1,142 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.
ATALERREKA wastewater treatment plant serves Basaburua, Navarra, Spain, with a designed capacity of 1.00. It operates under EU regulations for small agglomerations.
Bourg madame Puigcerda is a wastewater treatment plant serving Puigcerdà, Catalunya, Spain. It treats wastewater for approximately 6,300 people in the Cerdanya region.
CEUTA wastewater treatment plant serves the city of Ceuta, Spain, with a population equivalent of 114,595. The plant is located near the Mediterranean coast and operates under EU regulations.
ALMUNECAR wastewater treatment plant serves Almuñécar, Andalucía, Spain, treating wastewater for approximately 124,700 people. The facility is located near the Mediterranean coast and operates under EU regulatory standards.
ALJARAFE III B is a wastewater treatment plant in Villamanrique de la Condesa, Andalucía, Spain, serving approximately 22,667 people. It operates under the EU Urban Waste Water Treatment Directive.
ALJARAFE GUADIAMAR AZNA is a wastewater treatment plant serving Aznalcázar, Andalucía, Spain. It serves a population of approximately 23,711 and operates under the EU Urban Waste Water Treatment Directive.
ALHAMA DE ALMERIA wastewater treatment plant serves Alhabia, Almería, Andalucía, Spain. It has a designed capacity of 1.00 and serves a population of 13,581.
Algodonales wastewater treatment plant serves the town of Algodonales in Andalucía, Spain. It treats wastewater for approximately 7,700 residents under EU regulatory standards.
ALCALA DE XIVERT ALCOSSEBRE is a wastewater treatment plant serving Alcalà de Xivert, Spain. It treats wastewater for a population of 22,335 in the Comunitat Valenciana region.
XIXONA wastewater treatment plant serves Xixona/Jijona in Comunitat Valenciana, Spain, with a population equivalent of 45,268. It operates under the EU Urban Waste Water Treatment Directive.
XILXES wastewater treatment plant serves Xilxes/Chilches in Comunitat Valenciana, Spain, with a population equivalent of 7,256. The plant has a designed capacity of 1.00 volume unit and is located within 50 km of the coast.
XERACO wastewater treatment plant serves the municipality of Xeraco in Comunitat Valenciana, Spain. It treats wastewater for a population of approximately 15,216 and has a designed capacity of 1.00 cubic meters per day.
XATIVA wastewater treatment plant serves Xàtiva, Comunitat Valenciana, Spain. It is an inland facility managing municipal wastewater for a population of 53,437.
XABIA wastewater treatment plant serves Xàbia/Jávea in Comunitat Valenciana, Spain, with a designed capacity of 1.00 (units unspecified) and a population equivalent of 82,500. It operates under the EU Urban Waste Water Treatment Directive.
VALLE DEL VINALOPO wastewater treatment plant serves Elda, Spain, in the Comunitat Valenciana region. It treats wastewater from a population of 168,365, operating under EU Urban Waste Water Treatment Directive standards.
VALL D UIXO wastewater treatment plant serves la Vall d'Uixó in Comunitat Valenciana, Spain. It treats wastewater for approximately 45,000 residents under EU regulatory standards.
VALL DELS ALCALANS wastewater treatment plant serves Montserrat in Comunitat Valenciana, Spain. It is an inland facility designed for a capacity of 1.00 (likely in thousands of cubic meters per day) and serves a population of 11,188.
Valencia Perellonet wastewater treatment plant serves the coastal community of el Perellonet near València, Spain. It operates under EU Urban Waste Water Treatment Directive standards for medium agglomerations.
VALENCIA EL SALER wastewater treatment plant serves the El Saler district of València, Spain, with a designed capacity of 1.00 cubic meters per day for a population of 9,637.
UTIEL wastewater treatment plant serves Utiel in Comunitat Valenciana, Spain, with a population equivalent of 32,342. It operates under EU Urban Waste Water Treatment Directive 91/271/EEC, which mandates secondary treatment for agglomerations of this
UtilityRadar indexes 2117 wastewater treatment plants in Spain, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, ATALERREKA has the highest designed capacity at 1 m3/day.