Overview
VAL D AMBIN wastewater treatment plant in Val-Cenis, France, serves approximately 3,589 people with secondary treatment. It discharges 640.27 m³/day and has a designed capacity of 6,500 m³/day.
VAL D AMBIN is a wastewater treatment plant located in Val-Cenis, a commune in the Savoie department of the Auvergne-Rhône-Alpes region in southeastern France. The plant serves a population of about 3,589, placing it in the small-to-medium agglomeration category under French regulations. The plant provides secondary treatment, which is the standard required by the EU Urban Waste Water Treatment Directive (91/271/EEC) for freshwater discharges from agglomerations of this size. It has a designed capacity of 6,500 m³/day and currently discharges an average volume of 640.27 m³/day, indicating significant spare capacity. The treated effluent is discharged into the local watershed, which ultimately drains into the Arc River, a tributary of the Isère River, and then into the Rhône River before reaching the Mediterranean Sea. The plant plays a key role in protecting the water quality of the Alpine rivers and the downstream Rhône basin.
Environmental context
The plant discharges into the Arc River, which flows through the Maurienne valley and joins the Isère River near Albertville. The Isère then flows into the Rhône River, which empties into the Mediterranean Sea. The watershed supports diverse aquatic life, including fish species such as brown trout and grayling, and the area is ecologically sensitive due to its Alpine location and seasonal tourism pressures.
Frequently asked questions
VAL D AMBIN is located in Val-Cenis, a commune in the Savoie department of the Auvergne-Rhône-Alpes region in southeastern France, near the Italian border.
The plant serves approximately 3,589 people, classifying it as a small-to-medium agglomeration under EU and French wastewater regulations.
The treated effluent is discharged into the local watershed, which flows into the Arc River, a tributary of the Isère River, and ultimately reaches the Rhône River and the Mediterranean Sea.
The plant provides secondary treatment, which is the minimum required by the EU Urban Waste Water Treatment Directive for freshwater discharges from agglomerations of this size.
The plant has a designed capacity of 6,500 m³ per day, with an average discharge volume of 640.27 m³ per day, indicating substantial spare capacity for future growth.
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