Overview
BONNEVILLE wastewater treatment plant serves Bonneville, Haute-Savoie, in the Auvergne-Rhône-Alpes region of France. It treats wastewater for approximately 31,054 people under the EU Urban Waste Water Treatment Directive.
The BONNEVILLE wastewater treatment plant is located in Bonneville, Haute-Savoie, within the Auvergne-Rhône-Alpes region of southeastern France. The facility serves a population of approximately 31,054, placing it in the medium agglomeration category under European Union regulations. The plant is situated in the Arve River valley, near the confluence with the Giffre River, and is part of the broader Rhône basin drainage system. As a French wastewater treatment facility serving a population between 10,000 and 100,000, the plant is subject to the EU Urban Waste Water Treatment Directive (91/271/EEC). This directive requires secondary treatment for agglomerations of this size, with more stringent tertiary treatment if the receiving waters are designated as sensitive areas. The Arve River flows into the Rhône River, which ultimately reaches the Mediterranean Sea, and the region includes areas that may be classified as sensitive due to eutrophication risks. The plant's treated effluent is discharged into the local water system, contributing to the protection of the Arve River and downstream aquatic ecosystems. The Arve River supports diverse fish populations and is an important tributary of the Rhône. Proper treatment helps maintain water quality for both ecological health and downstream uses, including drinking water production and recreation in the Geneva area.
Environmental context
The BONNEVILLE plant discharges into the Arve River, a tributary of the Rhône River, which flows into Lake Geneva (Lac Léman) and eventually the Mediterranean Sea via the Rhône delta. The Arve River watershed is ecologically sensitive, supporting diverse aquatic life including salmonid species. The plant's treatment performance is critical for maintaining water quality in this transboundary river system, particularly given the downstream importance of Lake Geneva as a drinking water source and recreational area.
Frequently asked questions
The BONNEVILLE plant is located in Bonneville, Haute-Savoie, in the Auvergne-Rhône-Alpes region of southeastern France, near the Arve River.
The plant serves approximately 31,054 people, classifying it as a medium-sized agglomeration under EU regulations.
The treated effluent is discharged into the Arve River, which flows into the Rhône River and eventually reaches Lake Geneva and the Mediterranean Sea.
As a French plant serving over 10,000 people, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment and potentially tertiary treatment in sensitive areas.
Under the EU directive, plants serving between 10,000 and 100,000 people typically require secondary treatment (biological treatment). If the receiving water is a sensitive area, tertiary treatment for nutrient removal may be required.
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