Overview
Mogadouro Zona Sul is a secondary treatment plant serving 2,500 people in Mogadouro, Portugal. It discharges 416.83 m³/day of treated wastewater, with a designed capacity of 3,000 m³/day.
Mogadouro Zona Sul is a municipal wastewater treatment plant located in Mogadouro, Bragança District, Portugal. It serves a population of approximately 2,500 residents, classifying it as a small agglomeration under Portuguese and EU regulations. The plant provides secondary treatment, which is the minimum standard required by the EU Urban Waste Water Treatment Directive (91/271/EEC) for freshwater discharges from agglomerations of this size. Its designed capacity is 3,000 m³/day, and it currently treats an average daily flow of 416.83 m³/day, indicating significant reserve capacity. The treated effluent is discharged into a local watercourse that ultimately drains into the Douro River basin, one of the Iberian Peninsula's major river systems. The Douro flows westward through Portugal to the Atlantic Ocean near Porto, supporting diverse aquatic ecosystems and agricultural water use along its course.
Environmental context
The plant discharges into a tributary of the Douro River basin, which flows through the Trás-os-Montes region before reaching the Atlantic Ocean. The Douro is a vital water resource for irrigation, hydropower, and biodiversity, supporting species such as the Iberian barbel and the endangered European eel. The secondary treatment provided helps protect downstream water quality in this ecologically sensitive watershed.
Frequently asked questions
Mogadouro Zona Sul is located in Mogadouro, Bragança District, Portugal. The plant serves the southern zone of the municipality.
The plant serves approximately 2,500 people, making it a small agglomeration under EU classification.
The treated effluent is discharged into a local watercourse that flows into the Douro River basin, eventually reaching the Atlantic Ocean.
The plant provides secondary treatment, meeting the minimum requirement under the EU Urban Waste Water Treatment Directive for discharges into freshwater bodies from agglomerations of this size.
The plant operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), transposed into Portuguese law. For a small agglomeration (under 10,000 population equivalent) discharging to freshwater, secondary treatment is required.
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