MONTCADA Wastewater Treatment Plant, Montcada i Reixac, Barcelona, Spain

The MONTCADA wastewater treatment plant is located in Montcada i Reixac, in the province of Barcelona, Catalonia, Spain. It serves a population of approximately 232,996, classifying it as a large agglomeration under EU regulations. The plant is situated near the Besòs River, which flows through the metropolitan area of Barcelona. As a large agglomeration, the plant is expected to provide at least secondary treatment under the EU Urban Waste Water Treatment Directive (91/271/EEC). The designed capacity is 1.00 m³/s, indicating a substantial infrastructure to handle the wastewater from the densely populated area. The regulatory framework ensures compliance with discharge standards. The treated effluent is discharged into the Besòs River, which flows into the Mediterranean Sea near Barcelona. The river and coastal waters are ecologically sensitive, supporting diverse aquatic life and recreational activities. The plant plays a crucial role in protecting the downstream environment and the Mediterranean coastal ecosystem from pollution.

The MONTCADA plant discharges into the Besòs River, which flows through the Barcelona metropolitan area and empties into the Mediterranean Sea. The river and coastal zone support diverse aquatic life and are important for recreation and fisheries. The plant's operation is critical to maintaining water quality in this densely populated and ecologically sensitive region.