Overview
ORGES is a secondary wastewater treatment plant in Orges, Vaud, Switzerland, serving 142 people with a designed capacity of 333 m³/day and an average discharge volume of 64.46 m³/day.
ORGES is a municipal wastewater treatment plant located in Orges, in the canton of Vaud, Switzerland. It serves a small population of 142 residents, reflecting its role in a rural community within the Jura-Nord vaudois district. The plant's designed capacity is 333 cubic meters per day, with an average daily discharge of 64.46 cubic meters, indicating it operates well below its capacity. The plant provides secondary treatment, which is the standard biological treatment required under Swiss wastewater regulations for small agglomerations. Switzerland's Water Protection Act mandates that all wastewater undergo appropriate treatment to protect water bodies, with secondary treatment being the minimum for most inland plants. Secondary treatment typically involves biological degradation of organic matter followed by sedimentation. The treated effluent from ORGES is discharged into local waterways that ultimately drain into the Rhone River basin. The plant plays a key role in protecting the local aquatic environment by reducing organic pollutants and nutrients before discharge. Its location in the Vaud region, near the Jura mountains, means the receiving waters are sensitive to nutrient loading, making effective treatment essential for maintaining water quality.
Environmental context
The ORGES plant discharges into small streams that flow into the Orbe River, a tributary of the Rhone River. The Rhone eventually reaches Lake Geneva (Lac Léman) and then the Mediterranean Sea. The local watershed supports diverse aquatic life and is part of a region known for its ecological sensitivity, with the Jura mountains contributing to unique hydrological conditions. Effective nutrient removal is critical to prevent eutrophication in downstream lakes and rivers.
Frequently asked questions
The ORGES plant is located at Stand de tir, Route de Valeyres, in Orges, District du Jura-Nord vaudois, Canton of Vaud, Switzerland.
The ORGES plant serves a population of 142 people, making it a small-scale facility for a rural community.
The treated effluent from ORGES is discharged into local streams that flow into the Orbe River, a tributary of the Rhone River, which ultimately reaches Lake Geneva and the Mediterranean Sea.
The ORGES plant provides secondary treatment, which involves biological processes to degrade organic matter and reduce pollutants, meeting Swiss standards for small agglomerations.
Under the Swiss Water Protection Act, all wastewater must be treated to prevent water pollution. For small plants like ORGES serving fewer than 2,000 people, secondary treatment is typically sufficient to protect receiving waters.
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