Overview
The Notre Dame de Bellecombe Saint Nicolas la Chapelle wastewater treatment plant serves approximately 11,267 people in Saint-Nicolas-la-Chapelle, Auvergne-Rhône-Alpes, France. It operates under the EU Urban Waste Water Treatment Directive.
The Notre Dame de Bellecombe Saint Nicolas la Chapelle wastewater treatment plant is located in Saint-Nicolas-la-Chapelle, a commune in the Savoie department of the Auvergne-Rhône-Alpes region in southeastern France. The plant serves a population of around 11,267, placing it in the medium agglomeration category under EU regulations. As a French treatment facility, the plant is subject to the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations of this size. The directive also mandates more advanced treatment if the receiving waters are designated as sensitive areas. The plant's location in the Alpine region may influence its operational requirements due to seasonal population variations and sensitive mountain ecosystems. The treated effluent from the plant is discharged into local watercourses that ultimately drain into the Isère River, a major tributary of the Rhône. The Rhône River flows into the Mediterranean Sea, making this plant part of a large transboundary basin. The Alpine watershed supports diverse aquatic life and is important for downstream water quality in the Rhône delta.
Environmental context
The plant discharges into local streams that feed the Arly River, a tributary of the Isère River. The Isère joins the Rhône, which flows into the Mediterranean Sea. This Alpine watershed is ecologically sensitive, supporting species such as the European bullhead and brown trout. Downstream, the Rhône delta is a critical habitat for migratory birds and aquatic flora.
Frequently asked questions
The plant is located at 239 Rue de la Sainte-Barbe, in the Les Cures area of Saint-Nicolas-la-Chapelle, Savoie, Auvergne-Rhône-Alpes, France.
The plant serves approximately 11,267 people, classifying it as a medium-sized agglomeration under EU regulations.
Treated effluent is discharged into local streams that flow into the Arly River, a tributary of the Isère River, which eventually reaches the Rhône and the Mediterranean Sea.
As a French facility, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment for agglomerations over 2,000 population equivalent.
Under the EU directive, plants serving 10,000-15,000 people typically require secondary treatment (biological treatment). If the receiving water is sensitive, tertiary treatment may be needed.
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