Overview
POISY Les POIRIERS wastewater treatment plant serves Poisy, Auvergne-Rhône-Alpes, France. It treats wastewater for approximately 46,891 people under the EU Urban Waste Water Treatment Directive.
POISY Les POIRIERS is a wastewater treatment plant located in Poisy, within the Annecy area of Haute-Savoie, Auvergne-Rhône-Alpes, France. The plant serves a population of approximately 46,891, classifying it as a medium agglomeration under EU regulations. It is situated inland, away from coastal areas, and its operations are part of the regional water management infrastructure. As a French wastewater facility, POISY Les POIRIERS operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations of this size. The plant's designed capacity is 1.00 (likely in thousands of cubic meters per day or population equivalent), indicating a scale appropriate for its service population. The regulatory framework ensures compliance with national and EU standards. The treated effluent from the plant is discharged into the local watershed, which ultimately drains into the Rhône River basin. The Rhône flows into the Mediterranean Sea, making the plant's operations important for protecting downstream aquatic ecosystems. The region's Alpine setting contributes to sensitive water bodies that support diverse aquatic life and require careful management of nutrient loads.
Environmental context
The plant discharges into the local watershed within the Rhône River basin, which flows southward to the Mediterranean Sea. The receiving waters in the Alpine foothills are ecologically sensitive, supporting diverse aquatic life and serving as important migratory corridors for fish species. Proper treatment helps maintain water quality in downstream lakes and rivers, including Lake Annecy, a renowned freshwater body.
Frequently asked questions
The plant is located in Poisy, within the Annecy area of Haute-Savoie, Auvergne-Rhône-Alpes, France.
The plant serves approximately 46,891 people, classifying it as a medium agglomeration under EU regulations.
The treated effluent is discharged into the local watershed, which is part of the Rhône River basin, ultimately flowing to the Mediterranean Sea.
As a French plant, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment for agglomerations of this size.
Under the EU Urban Waste Water Treatment Directive, plants serving between 10,000 and 150,000 population equivalent are required to have secondary treatment, with tertiary treatment if discharging into sensitive areas.
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