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.
ORGIVA wastewater treatment plant serves the municipality of Órgiva in Andalucía, Spain. It treats wastewater for approximately 6,500 residents in the Alpujarra Granadina region.
OLVERA SUR wastewater treatment plant serves Olvera in Andalucía, Spain. It is an inland facility serving a population of 6,630 under EU regulatory frameworks.
OLVERA NORTE is a wastewater treatment plant serving Olvera, Andalusia, Spain. It serves a population of 10,800 and operates under EU regulations.
NUEVA CARTEYA wastewater treatment plant serves the town of Nueva Carteya in Andalucía, Spain. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.
Motril Salobrena wastewater treatment plant serves the Motril area in Andalucía, Spain, with a population equivalent of 109,734. It is located near the Mediterranean coast and operates under the EU Urban Waste Water Treatment Directive.
Moron de la Frontera wastewater treatment plant serves 45,500 people in Andalusia, Spain. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.
Montoro wastewater treatment plant serves the town of Montoro in Andalucía, Spain, with a population equivalent of 15,024. It operates under the EU Urban Waste Water Treatment Directive.
MONTILLA wastewater treatment plant serves the town of Montilla in Andalucía, Spain, with a population equivalent of 21,700. It operates under the EU Urban Waste Water Treatment Directive.
Moguer wastewater treatment plant serves 18,760 people in Andalusia, Spain. The facility operates under EU Urban Waste Water Treatment Directive 91/271/EEC, which mandates secondary treatment for agglomerations of this scale.
MENGIBAR wastewater treatment plant serves the municipality of Mengíbar in Andalucía, Spain, with a population equivalent of 20,692. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations
MEDINA SIDONIA wastewater treatment plant serves Medina Sidonia, Andalucía, Spain, with a designed capacity of 1.00 and a population served of 15,680.
MAZAGON wastewater treatment plant serves a population of 7,060 in Spain. Located near the coast, it operates under EU regulations for small agglomerations.
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.
MARMOLEJO wastewater treatment plant serves Marmolejo, Andalucía, Spain, with a population of 12,458. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this size.
MARCHENA wastewater treatment plant serves the town of Marchena in Andalucía, Spain, with a population equivalent of 27,500. It operates under Spain's implementation of the EU Urban Waste Water Treatment Directive.
Manilva wastewater treatment plant serves 28,100 people in Spain. Located near the coast, it operates under the EU Urban Waste Water Treatment Directive.
MANCHA REAL NUEVA wastewater treatment plant serves Mancha Real, Andalucía, Spain, with a population of approximately 13,902. It operates under EU Urban Waste Water Treatment Directive standards.
The MACAEL wastewater treatment plant serves Cantoria in Andalucía, Spain, with a population equivalent of 20,897. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.
Lucena wastewater treatment plant serves the city of Lucena in Andalusia, Spain. It treats wastewater from a population of approximately 14,000 under the EU Urban Waste Water Treatment Directive.
Los Villares wastewater treatment plant serves the municipality of Los Villares in Andalucía, Spain. It treats wastewater from a population of approximately 11,036 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, ORGIVA has the highest designed capacity at 1 m3/day.