Overview
Barcelos wastewater treatment plant serves 89,600 people in Barcelos, Portugal. Located near the Cávado River, it operates under the EU Urban Waste Water Treatment Directive.
The Barcelos wastewater treatment plant is a municipal facility serving the city of Barcelos in the Braga district of northern Portugal. With a population equivalent of 89,600, it is classified as a large agglomeration under EU regulations. The plant is situated near the Cávado River, which flows through the region and ultimately reaches the Atlantic Ocean. As a plant serving over 15,000 population equivalent, Barcelos is required by the EU Urban Waste Water Treatment Directive (91/271/EEC) to provide at least secondary treatment. The directive also mandates more advanced treatment if the receiving waters are designated as sensitive areas. The plant's designed capacity is 1.00 (likely in cubic meters per day or similar unit), indicating its scale. The treated effluent from Barcelos is discharged into the Cávado River basin, which drains into the Atlantic Ocean near the city of Esposende. The river supports diverse aquatic life and is important for local ecosystems. The plant's operation helps protect water quality in the Cávado and downstream coastal waters, contributing to the environmental health of the region.
Environmental context
The Barcelos plant discharges into the Cávado River, which flows westward through northern Portugal and empties into the Atlantic Ocean near Esposende. The river supports a variety of fish species and provides habitat for migratory birds. The downstream coastal area includes ecologically sensitive zones that benefit from reduced nutrient and pollutant loads from proper wastewater treatment.
Frequently asked questions
The Barcelos wastewater treatment plant is located at Rua do Rio Cávado, Vila Frescainha (São Pedro), Barcelos, Braga, 4750-853, Portugal.
The plant serves a population equivalent of 89,600 people in the city of Barcelos and surrounding areas.
The treated effluent is discharged into the Cávado River basin, which flows into the Atlantic Ocean. The plant is located within 50 km of the coast.
As a large agglomeration (over 15,000 PE), Barcelos is required by the EU UWWTD (91/271/EEC) to provide at least secondary treatment. If the receiving waters are sensitive, tertiary treatment may be required.
In Portugal, plants of this scale typically provide secondary treatment as a minimum, often with nutrient removal to protect coastal and riverine environments, in line with EU directives.
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