2,117 plants indexed. Showing 1,142 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.
MANRESA wastewater treatment plant serves 90,261 people in Manresa, Catalunya, Spain. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.
MANLLEU wastewater treatment plant serves the municipality of Manlleu in Catalunya, Spain. It treats wastewater from a population of approximately 15,331 under the EU Urban Waste Water Treatment Directive.
MACANET DE LA SELVA wastewater treatment plant serves Maçanet de la Selva, Catalunya, Spain. It has a designed capacity of 1.00 and serves a population of 4,216.
MACANET RESIDENCIAL is a wastewater treatment plant serving 1,500 people in Maçanet de la Selva, Catalunya, Spain. It has a designed capacity of 1.00 volume units and is located within 50 km of the coast.
LLORET DE MAR wastewater treatment plant serves Lloret de Mar, Catalunya, Spain, with a population equivalent of 60,401. The facility is located within 50 km of the Mediterranean coast.
LLEIDA wastewater treatment plant serves the city of Lleida in Catalunya, Spain, with a population equivalent of approximately 168,284. It operates under the EU Urban Waste Water Treatment Directive, ensuring compliance with secondary treatment stand
LLANCA wastewater treatment plant serves Llançà, a coastal town in Catalonia, Spain. It has a designed capacity of 1.00 and serves a population of 5,692.
LLAGOSTA LA wastewater treatment plant serves Sant Fost de Campsentelles in Catalonia, Spain, with a population equivalent of 136,915. The plant operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglo
LINYOLA wastewater treatment plant serves the municipality of Linyola in Catalunya, Spain. It is an inland facility designed for a population of 1,458.
L'Espluga de Francolí wastewater treatment plant serves the town of l'Espluga de Francolí in Catalonia, Spain. It has a designed capacity of 1.00 and serves a population of 2,341.
L'Escala wastewater treatment plant serves the municipality of Albons in Catalunya, Spain, with a designed capacity of 1.00 volume units. It treats wastewater from a population of approximately 15,540 people.
LA POBLA DE SEGUR wastewater treatment plant serves the town of la Pobla de Segur in Catalunya, Spain. It treats wastewater from a population of approximately 2,117 people.
LA JONQUERA wastewater treatment plant serves the town of la Jonquera in Girona, Catalunya, Spain. It has a designed capacity of 1.00 and serves a population of 8,949.
LA GARRIGA wastewater treatment plant serves the municipality of la Garriga in Catalonia, Spain. It has a designed capacity of 1.00 and serves a population of 13,411.
La Bisbal d'Empordà wastewater treatment plant serves the town in Catalunya, Spain, with a designed capacity of 1.00 volume units. It operates under EU Urban Waste Water Treatment Directive standards.
JUNEDA wastewater treatment plant serves Torregrossa in Pla d'Urgell, Catalunya, Spain. It treats wastewater from a population of approximately 3,009 people.
IGUALADA wastewater treatment plant serves Vilanova del Camí, Catalunya, Spain, with a population equivalent of 83,334. The plant operates under EU Urban Waste Water Treatment Directive 91/271/EEC, which mandates secondary treatment for agglomeration
GUISSONA wastewater treatment plant serves the municipality of Guissona in Catalunya, Spain. It treats wastewater from a population of approximately 9,454 under the EU Urban Waste Water Treatment Directive.
Granollers wastewater treatment plant serves approximately 122,883 people in Granollers, Catalunya, Spain. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.
Gironella wastewater treatment plant serves the town of Gironella in Catalunya, Spain. It treats wastewater from a population of approximately 1,915 people.
UtilityRadar indexes 2117 wastewater treatment plants in Spain, with treatment level, capacity, operator and discharge data on each record.
Among the indexed plants, MACANET DE LA SELVA has the highest designed capacity at 1 m3/day.