Overview
VIRY Essertet is a secondary wastewater treatment plant in Viry, Auvergne-Rhône-Alpes, France. It serves a population of 525 and has a designed capacity of 525 m³/day.
VIRY Essertet is a municipal wastewater treatment plant located in Viry, a commune in the Haute-Savoie department of the Auvergne-Rhône-Alpes region, France. The plant serves a small population of 525 residents, reflecting its role in a rural or peri-urban setting. Its full address is Chemin des Folliets, Essertet, Viry, Saint-Julien-en-Genevois, Haute-Savoie. The plant provides secondary treatment, which is the standard biological treatment required under the EU Urban Waste Water Treatment Directive (91/271/EEC) for agglomerations with a population equivalent (PE) between 2,000 and 10,000. Although the plant's population served is below 2,000, it still meets the secondary treatment standard, ensuring effective removal of organic matter and suspended solids. The designed capacity is 525 m³/day, and the current discharge volume is 93.66 m³/day, indicating operation well below capacity. The treated effluent is discharged into the local watershed, which ultimately drains into the Rhône River basin. The Rhône is one of Europe's major rivers, flowing into the Mediterranean Sea. The plant's operations contribute to protecting downstream water quality, supporting aquatic ecosystems and human uses such as recreation and drinking water supply.
Environmental context
The plant discharges into the local catchment of the Rhône River basin, which flows through southeastern France into the Mediterranean Sea. The Rhône basin supports diverse aquatic life and is an important migratory corridor for fish species. The secondary treatment provided by the plant helps reduce nutrient and organic pollution, mitigating eutrophication risks in downstream water bodies.
Frequently asked questions
VIRY Essertet is located at Chemin des Folliets, Essertet, Viry, in the Haute-Savoie department of the Auvergne-Rhône-Alpes region, France.
The plant serves a population of 525 people, making it a small-scale facility typical of rural communities in the region.
The treated wastewater is discharged into the local watershed, which is part of the Rhône River basin. The Rhône flows into the Mediterranean Sea.
As a French wastewater treatment plant, VIRY Essertet operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which sets standards for secondary treatment and discharge quality.
For small agglomerations under 2,000 population equivalent, French regulations often require secondary treatment or equivalent, ensuring effective removal of organic pollutants to protect receiving waters.
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