Overview
Alvite wastewater treatment plant serves 3,000 people in Moimenta da Beira, Viseu, Portugal. It provides secondary treatment and discharges 500.19 m³/day.
The Alvite wastewater treatment plant is located in the civil parish of Alvite, within the municipality of Moimenta da Beira, Viseu District, Portugal. It serves a population of approximately 3,000 residents, placing it in the small agglomeration category under Portuguese and EU regulations. As a secondary treatment facility, Alvite meets the minimum standard required by the EU Urban Waste Water Treatment Directive (91/271/EEC) for inland plants serving populations between 2,000 and 10,000. The plant has a designed capacity of 3,000 m³/day and currently treats an average daily flow of 500.19 m³, indicating significant spare capacity for future growth. The treated effluent is discharged into a local watercourse that ultimately drains into the Douro River basin, which flows westward to the Atlantic Ocean near Porto. The Douro basin supports diverse aquatic ecosystems and is an important migratory corridor for fish species such as the European eel and lamprey.
Environmental context
The plant discharges into a small tributary of the Paiva River, which flows into the Douro River. The Douro is one of the Iberian Peninsula's major rivers, emptying into the Atlantic Ocean at Porto. The lower Douro estuary is an ecologically sensitive area supporting migratory birds and fish, including the critically endangered European eel. Secondary treatment helps reduce organic pollution and protect downstream water quality.
Frequently asked questions
The Alvite WWTP is located in the civil parish of Alvite, in the municipality of Moimenta da Beira, Viseu District, Portugal.
The plant serves approximately 3,000 residents, classifying it as a small agglomeration under EU regulations.
The plant discharges treated effluent into a local watercourse that flows into the Paiva River, a tributary of the Douro River, which eventually reaches the Atlantic Ocean.
The plant provides secondary treatment, which is the minimum standard required by the EU Urban Waste Water Treatment Directive for inland plants serving 2,000 to 10,000 people.
As a Portuguese plant, Alvite operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), transposed into national law. It must comply with discharge standards for BOD, COD, and suspended solids.
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