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.
ANDRATX wastewater treatment plant serves Port d'Andratx in the Balearic Islands, Spain. It operates under the EU Urban Waste Water Treatment Directive, serving a population of 12,014.
LLUCMAYOR S ARENAL is a wastewater treatment plant serving 37,178 people in Palma, Illes Balears, Spain. It is located near the coast and discharges into the Mediterranean Sea.
CALA D OR wastewater treatment plant serves Cala d'Or in the Balearic Islands, Spain. It handles a population equivalent of 23,875 and is located near the Mediterranean coast.
Campos del Puerto wastewater treatment plant serves the municipality of Campos in Illes Balears, Spain. It is designed for a capacity of 1.00 and serves a population of 11,205.
COLONIA DE SANT JORDI wastewater treatment plant serves the coastal town of Colònia de Sant Jordi in the Balearic Islands, Spain. It operates under EU regulations for small agglomerations.
FERRERIES wastewater treatment plant serves the town of Ferreries on Menorca, Balearic Islands, Spain. It is designed for a capacity of 1.00 and serves a population of 6,384.
Santa Ponca wastewater treatment plant serves Peguera in the Balearic Islands, Spain. It treats wastewater for approximately 61,180 people, supporting the coastal community of Calvià.
SA COMA wastewater treatment plant serves Son Moro in Illes Balears, Spain, with a population equivalent of 40,877. The plant is located near the coast and operates under EU Urban Waste Water Treatment Directive standards.
PORTOCRISTO wastewater treatment plant serves the Portocristo area of Manacor, Illes Balears, Spain. It is located near the coast and serves a population of 6,561.
Palma II wastewater treatment plant serves over 336,000 residents in Palma, Illes Balears, Spain. Located near the coast, it operates under EU Urban Waste Water Treatment Directive standards for large agglomerations.
PALMA I is a major wastewater treatment plant serving 228,810 people in Palma, Illes Balears, Spain. Located near the coast, it operates under EU Urban Waste Water Treatment Directive standards.
Paguera wastewater treatment plant serves Peguera, Calvià, in the Balearic Islands, Spain. It treats wastewater from approximately 14,000 residents, discharging into the Mediterranean coastal environment.
MANACOR wastewater treatment plant serves Manacor, Illes Balears, Spain, with a designed capacity of 1.00 m³/s. It is located within 50 km of the coast, discharging into the Mediterranean basin.
BENDINAT wastewater treatment plant serves the town of Bendinat in Calvià, Illes Balears, Spain. It is located within 50 km of the coast and serves a population of approximately 11,878.
ALCUDIA wastewater treatment plant serves Alcúdia, Illes Balears, Spain, with a population equivalent of 59,631. Located near the coast, it discharges into the Mediterranean Sea.
PORTINATX wastewater treatment plant serves Portinatx, Illes Balears, Spain, with a designed capacity of 1.00. It is located within 50 km of the coast, supporting the local community of about 5,000 people.
FORMENTERA wastewater treatment plant serves the island of Formentera in the Balearic Islands, Spain. It is designed to treat wastewater for a population of 7,948, discharging into the Mediterranean Sea.
Santa Eulalia wastewater treatment plant serves Santa Eulària des Riu on Ibiza, Balearic Islands, Spain. It treats wastewater from a population of approximately 41,301 under EU regulatory standards.
SANT ANTONI SANT JOSEP wastewater treatment plant serves Sant Antoni de Portmany, Ibiza, Spain. It treats wastewater for approximately 63,499 people in the Balearic Islands.
CA N BOSSA wastewater treatment plant serves Sant Jordi de ses Salines in the Balearic Islands, Spain, with a population equivalent of 24,840. The plant is located near Platja d'en Bossa on the coast of Ibiza.
UtilityRadar indexes 2117 wastewater treatment plants in Spain, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, ANDRATX has the highest designed capacity at 1 m3/day.