Overview
Braganca wastewater treatment plant serves the city of Bragança, Portugal, with a population of approximately 35,000. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.
The Braganca wastewater treatment plant is located in the city of Bragança, in northeastern Portugal, serving a population of about 35,000. As a municipal facility, it plays a key role in managing wastewater from this urban area in the Trás-os-Montes region. Under the EU Urban Waste Water Treatment Directive (91/271/EEC), agglomerations with a population equivalent between 10,000 and 150,000 are required to provide secondary treatment. This plant, serving 35,000 people, falls into this category and is expected to meet the directive's standards for biological treatment and nutrient removal where necessary. The treated effluent is discharged into the local watershed, which ultimately drains into the Douro River basin and then to the Atlantic Ocean near Porto. The plant helps protect the region's water quality, supporting aquatic life and downstream ecosystems in this semi-arid, mountainous area of Portugal.
Environmental context
The plant's discharge enters the Sabor River, a tributary of the Douro River, which flows westward through Portugal to the Atlantic Ocean. The Douro basin supports diverse aquatic species and is an important ecological corridor. The plant's treatment helps maintain water quality in this region, which is characterized by seasonal rainfall and agricultural land use.
Frequently asked questions
The Braganca wastewater treatment plant is located in the city of Bragança, in the northeastern part of Portugal, in the Trás-os-Montes region.
The plant serves approximately 35,000 people in the urban area of Bragança.
The treated effluent is discharged into the Sabor River, a tributary of the Douro River, which flows to the Atlantic Ocean.
The plant operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations of this size.
Under the EU directive, plants serving between 10,000 and 150,000 people are required to provide secondary treatment, which includes biological treatment to reduce organic matter and suspended solids.
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