Overview
Alvito wastewater treatment plant in Alvito, Beja, Portugal, serves 1,400 people with secondary treatment. The plant is currently closed.
Alvito wastewater treatment plant is located in Alvito, Beja, Portugal, at Horta do Escrivão, EN 258. It serves a population of approximately 1,400 people, 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 for freshwater discharges from agglomerations of this size. The designed capacity is 2,700 m³/day, with an average discharge volume of 233.42 m³/day. The plant's treated effluent is discharged into the local watershed, which ultimately drains into the Atlantic Ocean via the Sado River basin. The region is characterized by a Mediterranean climate with hot, dry summers and mild, wet winters, influencing seasonal flow patterns in receiving waters.
Environmental context
The plant discharges into the Sado River basin, which flows westward to the Atlantic Ocean near Setúbal. The Sado estuary is an ecologically important area supporting diverse aquatic life, including migratory fish species. The surrounding Beja region is primarily agricultural, with potential for nutrient runoff affecting water quality.
Frequently asked questions
Alvito WWTP is located at Horta do Escrivão, EN 258, in Alvito, Beja, Portugal.
The plant serves approximately 1,400 people, classifying it as a small agglomeration.
The plant discharges treated effluent into the local watershed, which flows into the Sado River basin and ultimately to the Atlantic Ocean.
Alvito WWTP provides secondary treatment, meeting the minimum requirement under the EU Urban Waste Water Treatment Directive for freshwater discharges from agglomerations of this size.
As a Portuguese plant, Alvito WWTP operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment for agglomerations with a population equivalent above 2,000, and appropriate treatment for smaller ones.
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