2,117 plants indexed. Showing 368 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.
MATALASCANAS wastewater treatment plant serves Almonte, Andalucía, Spain, with a population equivalent of 25,774. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.
Manilva wastewater treatment plant serves 28,100 people in Spain. Located near the coast, it operates under the EU Urban Waste Water Treatment Directive.
Los Barrios wastewater treatment plant serves the municipality of Los Barrios in Andalucía, Spain, with a population of approximately 18,083. The plant is located within 50 km of the coast and operates under EU regulations.
LAS GALERAS wastewater treatment plant serves El Puerto de Santa María in Andalucía, Spain. It is located near the Bay of Cádiz and serves a population of approximately 128,209.
The La Linea de la Concepcion wastewater treatment plant serves over 110,000 people in Andalusia, Spain. Located near the Mediterranean coast, it operates under the EU Urban Waste Water Treatment Directive.
La Herradura wastewater treatment plant serves the coastal town of La Herradura in Almuñécar, Andalucía, Spain. It treats wastewater for approximately 10,659 residents under the EU Urban Waste Water Treatment Directive.
La Barrosa wastewater treatment plant serves Chiclana de la Frontera in Andalucía, Spain, with a population equivalent of 30,000. The facility is located near the coast and operates under EU regulations.
LA ANTILLA wastewater treatment plant serves Lepe, Huelva, in Andalucía, Spain. It is located near the coast and serves a population of 57,192.
Isla Cristina wastewater treatment plant serves approximately 33,000 people in the Huelva province of Andalusia, Spain. It discharges treated effluent into the Atlantic coastal environment.
HUELVA wastewater treatment plant serves the city of Huelva in Andalucía, Spain, with a population equivalent of 239,800. It is located near the coast and discharges into the Atlantic Ocean via the Odiel River estuary.
GUADALHORCE wastewater treatment plant serves Málaga, Spain, with a population of over 730,000. Located in Andalucía near the coast, it is a major facility in the region.
GUADALETE wastewater treatment plant serves Jerez de la Frontera, Spain, with a population equivalent of 274,946. It is located near the Guadalete River and operates under EU Urban Waste Water Treatment Directive standards.
GUADACORTE wastewater treatment plant serves Los Barrios, Andalucía, Spain, with a designed capacity of 1.00 m³/day. It treats wastewater from a population of 6,090 under EU regulatory standards.
GARRUCHA MOJACAR TURRE wastewater treatment plant serves the Mojácar area in Andalucía, Spain. It is designed for a capacity of 1.00 and serves a population of 19,617.
FUENGIROLA wastewater treatment plant serves Mijas, Andalucía, Spain, with a population equivalent of 137,105. It is located near the Costa del Sol and discharges into the Mediterranean Sea.
FRIGILIANA wastewater treatment plant serves the municipality of Frigiliana in Andalucía, Spain, with a designed capacity of 1.00 m³/day. It is located within 50 km of the coast and treats wastewater from a population of 6,100.
Estepona wastewater treatment plant serves the coastal city of Estepona in Andalusia, Spain, with a designed capacity of 1.00 and a population equivalent of 96,422.
EL ROMPIDO wastewater treatment plant serves Cartaya, Andalucía, Spain, with a population equivalent of 7,691. It is located near the coast of Huelva, discharging into the Atlantic Ocean via the Piedras River estuary.
EL EJIDO wastewater treatment plant serves El Ejido, Andalucía, Spain, with a population of 52,930. The plant has a designed capacity of 1.00 and is located within 50 km of the coast.
EL BOBAR wastewater treatment plant serves Almería, Andalucía, Spain, with a designed capacity of 1.00 and a population equivalent of 256,582. It operates under the EU Urban Waste Water Treatment Directive.
UtilityRadar indexes 2117 wastewater treatment plants in Spain, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, MATALASCANAS has the highest designed capacity at 1 m3/day.