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.
ALTEA wastewater treatment plant serves Altea, Comunitat Valenciana, Spain, with a population equivalent of 190,215. It is located within 50 km of the Mediterranean coast.
ALMORADI wastewater treatment plant serves Almoradí, Comunitat Valenciana, Spain, with a designed capacity of 1.00 and a population equivalent of 37,117. It operates under EU Urban Waste Water Treatment Directive standards.
ALBUFERA SUR is a wastewater treatment plant serving Sollana, Valencia, Spain. It serves a population of 94,776 and is located near the Mediterranean coast.
ALBERIC wastewater treatment plant serves Alberic in Comunitat Valenciana, Spain, with a designed capacity of 1.00 and a population equivalent of 26,888. It operates under the EU Urban Waste Water Treatment Directive.
ALBATERA SAN ISIDRO wastewater treatment plant serves San Isidro, Comunitat Valenciana, Spain, with a population equivalent of 20,070. The plant has a designed capacity of 1.00 volume units and is located inland, over 50 km from the coast.
ALBAIDA wastewater treatment plant serves Albaida in Comunitat Valenciana, Spain, with a designed capacity of 1.00 volume units. It treats wastewater for approximately 18,470 people under EU regulatory standards.
ALACANTI NORTE is a major wastewater treatment plant serving Mutxamel in the Comunitat Valenciana, Spain. It handles a population equivalent of over 220,000 and is located near the Mediterranean coast.
ROJALES LO PEPIN wastewater treatment plant serves the Lo Pepin urbanization in Rojales, Comunitat Valenciana, Spain. It treats wastewater for approximately 12,387 people in the Baix Segura / Vega Baja region.
ALMENARA wastewater treatment plant serves the municipality of Almenara in Comunitat Valenciana, Spain. It is located near the coast and operates under EU regulations for small agglomerations.
ALMASSORA wastewater treatment plant serves Borriana/Burriana in Comunitat Valenciana, Spain, with a population equivalent of 49,708. The plant is located near the Mediterranean coast and operates under EU Urban Waste Water Treatment Directive standa
ALGORFA BENEJUzAR wastewater treatment plant serves Almoradí in Comunitat Valenciana, Spain. It treats wastewater for approximately 10,973 people under the EU Urban Waste Water Treatment Directive.
ALGEMESI ALBALAT is a wastewater treatment plant serving Algemesí in Comunitat Valenciana, Spain. It handles a population of 41,885 and is located near the coast.
ALFARRASI wastewater treatment plant serves Montaverner in Comunitat Valenciana, Spain, with a population equivalent of 26,400. The plant has a designed capacity of 1.00 million cubic meters per year.
VILA SECA I SALOU wastewater treatment plant serves Vila-seca and Salou in Catalunya, Spain, with a designed capacity of 1.00 m³/day and a population equivalent of 93,270.
VILANOVA I LA GELTRU wastewater treatment plant serves the coastal city of Vilanova i la Geltrú in Catalonia, Spain, with a designed capacity of 1. 00 and a population equivalent of 66,252.
VILANOVA DEL VALLES wastewater treatment plant serves Vilanova del Vallès, Catalunya, Spain. It is an inland facility with a designed capacity of 1.00 cubic meters per day, serving a population of 13,971.
VILAFRANCA DEL PENEDES wastewater treatment plant serves Vilafranca del Penedès, Catalunya, Spain, with a designed capacity of 1.00 m³/s and a population equivalent of 62,190.
VILADECAVALLS EST is a wastewater treatment plant serving Viladecavalls, Catalunya, Spain. It serves a population of 3,748 and has a designed capacity of 1.00 (units unspecified).
VIELHA E MIJARAN wastewater treatment plant serves the Val d'Aran region in Catalunya, Spain. It treats municipal wastewater for a population of approximately 6,342, discharging into local water bodies.
VIC wastewater treatment plant serves Vic, Catalunya, Spain, with a population equivalent of 126,325. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations over 15,000 PE.
UtilityRadar indexes 2117 wastewater treatment plants in Spain, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, ALTEA has the highest designed capacity at 1 m3/day.