2,117 plants indexed. Showing 564 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.
BENASAL wastewater treatment plant serves Benassal, Comunitat Valenciana, Spain. It provides secondary treatment for a population of 2,454 and has a designed capacity of 4,850 m³/day.
BEJIS wastewater treatment plant in Bejís, Comunitat Valenciana, Spain, provides secondary treatment for a population of 1,117. It has a designed capacity of 4,000 m³/day and discharges 110.35 m³/day.
AYORA wastewater treatment plant serves Ayora in Comunitat Valenciana, Spain. It provides secondary treatment for a population of 9,571 with a designed capacity of 10,000 m³/day.
Atzeneta del Maestrat wastewater treatment plant serves the municipality in Comunitat Valenciana, Spain. It provides secondary treatment for a population of 818, discharging treated water inland.
ARTANA wastewater treatment plant serves Artana, Comunitat Valenciana, Spain. It provides secondary treatment for a population of 1,490 and has a designed capacity of 3,570 m³/day.
ARAS DE LOS OLMOS wastewater treatment plant serves the municipality of Aras de los Olmos in Comunitat Valenciana, Spain. It provides secondary treatment for a population of 1,460.
ANTELLA wastewater treatment plant in Cotes, Comunitat Valenciana, Spain, serves a population of 1,893 with secondary treatment. It discharges 244.00 m³/day and has a designed capacity of 2,333.00 m³/day.
ANNA wastewater treatment plant serves the town of Anna in Comunitat Valenciana, Spain. It provides secondary treatment for a population of 3,447 and has a designed capacity of 5,000 m³/day.
ALBOCACER wastewater treatment plant serves Albocàsser in Comunitat Valenciana, Spain. It provides secondary treatment for a population of 3,423, with a designed capacity of 3,000 m³/day.
ADEMUZ wastewater treatment plant serves the municipality of Ademuz in Comunitat Valenciana, Spain. It provides secondary treatment for a population of approximately 4,752 and has a designed capacity of 5,000 m³/day.
Rotglà i Corberà wastewater treatment plant serves the municipality in Comunitat Valenciana, Spain, with secondary treatment and a designed capacity of 4,500 m³/day.
TERRAFORTUNA is a secondary wastewater treatment plant serving Vidreres, Catalunya, Spain. It treats wastewater for a population of 3,816 and has a designed capacity of 3,467 m³/day.
SORT wastewater treatment plant serves Sort, Catalunya, Spain. It provides secondary treatment for a population of 1,319, with a designed capacity of 5,500 m³/day.
Santa Maria de Corco l'Esquirol is a secondary wastewater treatment plant serving the municipality of l'Esquirol in Catalunya, Spain. It has a designed capacity of 2,500 m³/day and serves a population of 1,145.
Santa Coloma de Queralt wastewater treatment plant serves 2,168 people in Catalonia, Spain. It provides secondary treatment and discharges 929.13 m³/day of treated effluent.
Santa Barbara wastewater treatment plant serves Santa Bàrbara, Catalunya, Spain, treating municipal wastewater for 4,086 people. The secondary treatment plant has a designed capacity of 5,200 m³/day and discharges 532.10 m³/day.
Sant Llorenç Savall wastewater treatment plant serves 1,875 people in Sant Llorenç Savall, Catalunya, Spain. It provides secondary treatment with a designed capacity of 3,000 m³/day and discharges 515.90 m³/day.
Sant Llorenç d'Hortons wastewater treatment plant serves the town of Sant Llorenç d'Hortons in Catalunya, Spain. It provides secondary treatment for a population of 1,561.
ROSSELLO wastewater treatment plant serves Rosselló, Catalunya, Spain, treating municipal wastewater for a population of 2,268. It operates with secondary treatment and has a designed capacity of 4,000 m³/day.
RIELLS I VIABREA is a secondary wastewater treatment plant in Can Salvà, Catalunya, Spain. It serves a population of 2,019 and has a designed capacity of 8,640 m³/day.
UtilityRadar indexes 2117 wastewater treatment plants in Spain, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, AYORA has the highest designed capacity at 10,000 m3/day.