2,117 plants indexed. Showing 460 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.
LA FOIA DE QUARTELL is a secondary wastewater treatment plant in Quartell, Comunitat Valenciana, Spain. It serves a population of 3,391 and discharges 187.19 m³/day of treated effluent near the Mediterranean coast.
SAN JOSE wastewater treatment plant in Santa Cruz de Tenerife, Canary Islands, Spain, is a closed secondary treatment facility serving 1,365 people. It discharged 247.40 m³/day before closure.
EDAR de La Quinta is an advanced wastewater treatment plant in Santa Úrsula, Tenerife, Spain. Serving about 2,028 people, it has a designed capacity of 2,000 m³/day and discharges 367.57 m³/day.
ETAR de Acorán is a primary treatment plant in Santa Cruz de Tenerife, Canary Islands, Spain, serving about 4,400 people. It discharges treated wastewater near the coast, operating under Spanish and EU regulations.
EDAR Parque La Reina is a secondary wastewater treatment plant in Arona, Canary Islands, Spain. It serves a population of 3,283 and has a designed capacity of 12,000 m³/day, discharging 595.04 m³/day.
VALSEQUILLO wastewater treatment plant serves Valsequillo de Gran Canaria, Canarias, Spain, with advanced treatment for a population of 2,155. It discharges 241.11 m³/day and is located within 10 km of the coast.
ETAR Los Abrigos is a primary wastewater treatment plant in Granadilla de Abona, Tenerife, Canary Islands, serving approximately 4,087 people with a design capacity of 10,000 m³/day.
Valle Gran Rey wastewater treatment plant serves 5,100 people in Valle Gran Rey, Canarias, Spain. It provides secondary treatment and discharges 789.04 cubic meters of treated wastewater daily.
VALVERDE wastewater treatment plant in Valverde, Canarias, Spain, serves 352 people with advanced treatment. It discharges 67.40 m³/day and has a designed capacity of 3000 m³/day.
EDAR de Buenavista del Norte is a secondary wastewater treatment plant serving 2,574 people in Buenavista del Norte, Canary Islands, Spain. It discharges 466.53 m³/day and is located within 10 km of the coast.
GANDO wastewater treatment plant in Telde, Canary Islands, Spain serves 6,563 people with secondary treatment. It discharges 768.92 m³/day and has a designed capacity of 8,300 m³/day.
SAN NICOLAS is an advanced wastewater treatment plant in La Aldea de San Nicolás, Canary Islands, Spain. It serves 6,162 people with a designed capacity of 10,000 m³/day and discharges 819.59 m³/day.
TENOYA is a secondary wastewater treatment plant in Las Palmas de Gran Canaria, Canarias, Spain, serving 7,086 people with a designed capacity of 6,800 m³/day and a discharge volume of 878.82 m³/day.
LAS GAVIOTAS is an advanced wastewater treatment plant in Pájara, Canarias, Spain, serving 3,400 people with a designed capacity of 5,000 m³/day and a discharge volume of 616.24 m³/day.
LA LAJITA is a secondary wastewater treatment plant in La Lajita, Canarias, Spain. It serves a population of 1,000 and has a designed capacity of 3,000 m³/day, though it is currently closed.
BARRANCO LA VERGA is a secondary wastewater treatment plant in Mogán, Canarias, Spain, serving 3,000 people. It discharges treated effluent near the coast of Gran Canaria.
AGAETE wastewater treatment plant in Agaete, Canary Islands, Spain serves 5,443 people with advanced treatment. It discharges 736.44 cubic meters daily and is located within 10 km of the coast.
EDAR de Marazul is a secondary wastewater treatment plant serving 2,042 people in Adeje, Tenerife, Canary Islands, Spain. It discharges 370.11 m³/day and is located within 10 km of the coast.
SAN ANDRES Y SAUCES wastewater treatment plant serves 1,212 people in San Andrés y Sauces, Canarias, Spain. It provides advanced treatment and discharges treated water near the coast.
PUERTO NAOS is an advanced wastewater treatment plant in Tazacorte, Canarias, Spain, serving a population of 1,798. It discharges 325.88 m³/day of treated effluent near the coast.
UtilityRadar indexes 2117 wastewater treatment plants in Spain, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, LA FOIA DE QUARTELL has the highest designed capacity at 18,333 m3/day.