Overview
SAINT MARTIN DE BELLEVILLE wastewater treatment plant serves the Alpine commune of Saint-Martin-de-Belleville in Savoie, France. It provides secondary treatment for a population of 5,381.
The SAINT MARTIN DE BELLEVILLE wastewater treatment plant is located in the Alpine resort area of Saint-Martin-de-Belleville, within the Savoie department of the Auvergne-Rhône-Alpes region. The plant serves a population of approximately 5,381, reflecting the seasonal fluctuations typical of ski tourism destinations. As a secondary treatment facility, the plant meets the requirements of the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary biological treatment for agglomerations with a population equivalent above 2,000. The plant's designed capacity of 6,000 m³/day accommodates peak tourist loads, with an average daily discharge volume of 960 m³. The treated effluent is discharged into the local watershed, which drains into the Doron de Belleville river, a tributary of the Isère River. The Isère flows into the Rhône River, ultimately reaching the Mediterranean Sea. The Alpine environment is ecologically sensitive, supporting diverse aquatic life and serving as an important corridor for migratory species.
Environmental context
The plant discharges into the Doron de Belleville river, which flows into the Isère River, a major tributary of the Rhône. The Rhône then empties into the Mediterranean Sea. The Alpine watershed is ecologically sensitive, supporting cold-water fish species and providing habitat for amphibians and invertebrates adapted to high-altitude streams.
Frequently asked questions
The plant is located at Rue de la Glire, Villarenger, Saint-Martin-de-Belleville, in the Savoie department of the Auvergne-Rhône-Alpes region, France.
The plant serves a population of 5,381, which can increase significantly during the winter ski season and summer tourism periods.
The plant provides secondary treatment before discharging the treated effluent into the Doron de Belleville river, which flows into the Isère River and eventually the Rhône River.
As a French plant serving over 2,000 people, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for inland waters.
For agglomerations of this size, French plants typically employ secondary biological treatment, often using activated sludge or biofiltration, to meet EU standards for organic matter and suspended solids removal.
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