2,117 plants indexed. Showing 1,147 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.
CONIL wastewater treatment plant serves Conil de la Frontera in Andalucía, Spain. It treats wastewater for approximately 22,972 people and is located within 50 km of the coast.
CHUCENA ESCACENA PATERNA MANZANILLA is a wastewater treatment plant in Escacena del Campo, Andalucía, Spain, serving a population of 17,536. It operates under Spain's implementation of the EU Urban Waste Water Treatment Directive.
CHIPIONA wastewater treatment plant serves Chipiona, Andalucía, Spain, with a population of 40,370. It operates under EU regulations for medium agglomerations.
Chiclana wastewater treatment plant serves Chiclana de la Frontera in Andalucía, Spain. It handles a population equivalent of 72,726 and is located near the Bay of Cádiz.
CAZORLA wastewater treatment plant serves the town of Cazorla in Andalucía, Spain, with a population equivalent of 14,872. The plant operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of
CAZALLA DE LA SIERRA wastewater treatment plant serves the town of Cazalla de la Sierra in Andalusia, Spain. It treats wastewater from approximately 9,719 people under the EU Urban Waste Water Treatment Directive.
CASTELL DE FERRO GUALCHOS wastewater treatment plant serves El Romeral in Andalucía, Spain, with a designed capacity of 1.00 and serves a population of 9,225. It is located within 50 km of the coast.
Casabermeja wastewater treatment plant serves the town of Casabermeja in Andalusia, Spain. It has a designed capacity of 1.00 and serves a population of 5,795.
The Carboneras wastewater treatment plant serves the coastal town of Carboneras in Andalucía, Spain. It is designed for a capacity of 1.00 unit and serves a population of 15,600.
Caniles wastewater treatment plant serves the municipality of Caniles in Andalucía, Spain. It treats wastewater for a population of approximately 8,433 under the EU Urban Waste Water Treatment Directive.
Campillos wastewater treatment plant serves the town of Campillos in Andalucía, Spain, with a population of 8,570. The plant operates under EU regulations for small agglomerations.
CALAHONDA CARCHUNA wastewater treatment plant serves the Motril area in Andalucía, Spain, with a designed capacity of 1.00 and a population equivalent of 8,731. It operates under the EU Urban Waste Water Treatment Directive.
CALA DE MIJAS wastewater treatment plant serves La Cala, Mijas, in Andalucía, Spain. It treats wastewater from approximately 9,800 residents in the Costa del Sol Occidental region.
CADIZ SAN FERNANDO wastewater treatment plant serves Cádiz, Andalucía, Spain, with a population equivalent of 223,580. It operates under the EU Urban Waste Water Treatment Directive, which mandates advanced treatment for large agglomerations discharg
CABRA wastewater treatment plant serves the municipality of Cabra in Andalucía, Spain. It treats wastewater from a population of approximately 32,342 under the EU Urban Waste Water Treatment Directive.
CABEZAS DE SAN JUAN LAS wastewater treatment plant serves Las Cabezas de San Juan in Andalucía, Spain, with a population of 7,400. The facility operates under Spain's implementation of the EU Urban Waste Water Treatment Directive.
BUJALANCE CANETE DE LAS TORRES wastewater treatment plant serves Cañete de las Torres in Andalucía, Spain, with a population equivalent of 19,399. The plant operates under the EU Urban Waste Water Treatment Directive.
BRENES wastewater treatment plant serves approximately 12,000 people in Brenes, Andalucía, Spain. It operates under EU Urban Waste Water Treatment Directive 91/271/EEC, which mandates secondary treatment for agglomerations of this scale.
Bonares wastewater treatment plant serves 8,500 people in Andalucía, Spain. The facility operates under EU Urban Waste Water Treatment Directive 91/271/EEC, which mandates secondary treatment for agglomerations of this scale.
BERJA wastewater treatment plant serves Berja, Andalucía, Spain, treating wastewater for approximately 13,662 people. It is located near the Río Chico de Berja and operates under EU regulations.
UtilityRadar indexes 2117 wastewater treatment plants in Spain, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, CONIL has the highest designed capacity at 1 m3/day.