2,117 plants indexed. Showing 80 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.
POLIGONO INDUSTRIAL SAN ROQUE is a closed secondary treatment plant in San Roque, Andalucía, Spain. It served a population of 1,166 and had a designed capacity of 2,500 m³/day.
CANILLAS DE ACEITUNO wastewater treatment plant in Canillas de Aceituno, Andalucía, Spain, serves a population of 1,536. It is a secondary treatment plant with a designed capacity of 1,900 m³/day, currently closed.
ISTAN wastewater treatment plant in Istán, Andalucía, Spain, serves 1,334 people with secondary treatment. The plant is closed and located within 10 km of the coast.
ALTEA TOIX MASCARAT is a secondary wastewater treatment plant in Altea, Comunitat Valenciana, Spain, serving 4,421 people. It discharges 116.64 m³/day and is located within 10 km of the coast.
TRAIGUERA LA JANA wastewater treatment plant serves Traiguera in Comunitat Valenciana, Spain. It provides secondary treatment for a population of 3,338 and is located within 10 km of the coast.
TORRES TORRES is a secondary wastewater treatment plant in Torres Torres, Comunitat Valenciana, Spain, serving a population of 2,506. It discharges 257.68 m³/day of treated effluent and is located within 10 km of the coast.
SAN JORGE wastewater treatment plant serves Càlig, Comunitat Valenciana, Spain. It provides secondary treatment for a population of 1,313 and discharges treated wastewater near the Mediterranean coast.
ROTOVA wastewater treatment plant in Alfauir, Comunitat Valenciana, Spain, serves 2,092 people with secondary treatment. It discharges 204.14 m³/day and is located within 10 km of the coast.
Palma de Gandía Ador is a secondary wastewater treatment plant serving 4,630 people in Palma de Gandía, Comunitat Valenciana, Spain. It discharges 711.28 m³/day and is located within 10 km of the Mediterranean coast.
OLIVA CAMPING SAN FERNANDO is a secondary treatment plant serving 1,732 people in Oliva, Comunitat Valenciana, Spain. It discharges 225.80 m³/day of treated wastewater near the Mediterranean coast.
LA LLOSA wastewater treatment plant serves the municipality of la Llosa in Comunitat Valenciana, Spain. It provides secondary treatment for a population of 865 and discharges treated effluent near the Mediterranean coast.
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 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.
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.
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.
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.
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.
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.