2,117 plants indexed. Showing 804 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.
PEAL DE BECERRO wastewater treatment plant serves Peal de Becerro in Andalucía, Spain, treating wastewater for approximately 6,500 residents. The plant operates under Spain's implementation of the EU Urban Waste Water Treatment Directive.
PATERNA DE LA RIVERA wastewater treatment plant serves Paterna de Rivera, Cádiz, Andalucía, Spain. It is an inland facility with a designed capacity of 1.00 volume unit, serving approximately 9,875 people.
PARADAS wastewater treatment plant serves the town of Paradas in Andalucía, Spain, with a population equivalent of 10,000. The facility operates under Spain's implementation of the EU Urban Waste Water Treatment Directive.
PALOMARES VILLARICOS wastewater treatment plant serves Villaricos in Andalucía, Spain. It has a designed capacity of 1.00 and serves a population of 6,803.
Palma del Río wastewater treatment plant serves approximately 28,500 residents in Andalucía, Spain. The facility operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.
Palma del Condado wastewater treatment plant serves La Palma del Condado, Andalucía, Spain, with a designed capacity of 1.00 and a population equivalent of 10,365. The plant discharges into local water bodies under EU regulatory frameworks.
Padul wastewater treatment plant serves the municipality of Padul in Andalucía, Spain, with a designed capacity of 1.00 cubic meters per day. It operates under EU regulations for agglomerations of over 10,000 population equivalent.
OSUNA wastewater treatment plant serves the town of Osuna in Andalucía, Spain, with a population of approximately 26,353. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this si
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.
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.
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.
UtilityRadar indexes 2117 wastewater treatment plants in Spain, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, PATERNA DE LA RIVERA has the highest designed capacity at 1 m3/day.