2,117 plants indexed. Showing 339 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.
EDAR Costa del Silencio is a wastewater treatment plant serving 14,640 people in Arona, Tenerife, Canary Islands, Spain. It operates under EU regulations for coastal communities.
Motor Grande wastewater treatment plant serves Mogán in the Canary Islands, Spain, with a designed capacity of 1.00 and a population served of 14,687. It is located within 50 km of the coast.
Montana Blanca wastewater treatment plant serves Antigua in the Canary Islands, Spain. It is located within 50 km of the coast and serves a population of 13,661.
GRAN TARAJAL wastewater treatment plant serves Tuineje, Canarias, Spain. It treats wastewater from a population of 5,595 and is located near the coast of Fuerteventura.
GEAFOND 2 EDAR is a wastewater treatment plant serving approximately 14,922 people in La Oliva, Las Palmas, Canarias, Spain. It operates under Spain's implementation of the EU Urban Waste Water Treatment Directive.
ETAR de Punta Larga is a wastewater treatment plant in Candelaria, Canary Islands, Spain. It serves approximately 9,446 people and is located near the coast of Tenerife.
ETAR de Los Llanos is a major wastewater treatment plant serving Santa Cruz de Tenerife, Canary Islands, Spain. It handles a population equivalent of 231,732 and is located within 50 km of the coast.
Torre Pacheco wastewater treatment plant serves 24,152 people in the Región de Murcia, Spain. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.
ROLDAN LO FERRO BALSICAS wastewater treatment plant serves Torre Pacheco in the Region of Murcia, Spain. It treats wastewater from approximately 12,475 people and is located near the Mar Menor coastal lagoon.
San Pedro del Pinatar wastewater treatment plant serves approximately 65,591 people in the Murcia region of Spain. The facility is located within 50 km of the Mediterranean coast.
AGUILAS wastewater treatment plant serves Águilas, Región de Murcia, Spain, with a population equivalent of 79,651. The facility is located within 50 km of the coast and has a designed capacity of 1.00 (unit unspecified).
San Javier wastewater treatment plant serves approximately 82,000 people in the Murcia region of Spain. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.
Murcia Este is a major wastewater treatment plant serving the metropolitan area of Murcia, Spain. It handles a population equivalent of 492,846 and operates under EU Urban Waste Water Treatment Directive standards.
MOLINA DE SEGURA NORTE is a major wastewater treatment plant serving 178,772 people in Molina de Segura, Región de Murcia, Spain. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations ov
MAZARRON wastewater treatment plant serves Mazarrón, Spain, in the Región de Murcia. It is located near the coast and operates under EU Urban Waste Water Treatment Directive standards.
MAR MENOR SUR is a wastewater treatment plant serving Cartagena, Spain, in the Region of Murcia. It handles a population equivalent of 163,629, operating under EU regulatory standards.
ATAMARIA wastewater treatment plant serves Cartagena, Spain, in the Región de Murcia. It handles a population of 8,439 and has a designed capacity of 1.00 volume units.
Los Alcázares wastewater treatment plant serves 61,529 people in the Campo de Cartagena y Mar Menor region of Murcia, Spain. The facility is located within 50 km of the coast, discharging into the ecologically sensitive Mar Menor coastal lagoon.
LA UNION wastewater treatment plant serves Cartagena, Spain, in the Región de Murcia. It treats wastewater from a population of approximately 17,852 under EU regulatory standards.
The Algeciras wastewater treatment plant serves over 174,000 people in Andalucía, Spain. Located near the Port of Algeciras, it discharges into the Bay of Algeciras, part of the Mediterranean Sea.
UtilityRadar indexes 2117 wastewater treatment plants in Spain, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, EDAR Costa del silencio has the highest designed capacity at 1 m3/day.