Overview
SENARCLENSSIEGS is an advanced wastewater treatment plant in Senarclens, Vaud, Switzerland, serving a population of 599 with a designed capacity of 1000 m³/day.
SENARCLENSSIEGS is an advanced wastewater treatment plant located in Senarclens, within the District de Morges in the canton of Vaud, Switzerland. The plant serves a small population of approximately 599 residents, reflecting its role in a rural or peri-urban setting. Its designed capacity of 1000 m³/day indicates it is sized to handle local domestic wastewater flows. The plant employs advanced treatment processes, which go beyond secondary treatment to remove nutrients and other pollutants. Under Swiss water protection legislation (Gewässerschutzgesetz), advanced treatment is required for sensitive water bodies, particularly in the Lake Geneva region. The plant's discharge volume of 271.90 m³/day suggests it operates well within its designed capacity. The treated effluent from SENARCLENSSIEGS ultimately drains into the Rhône River basin via local streams, contributing to the water quality of Lake Geneva (Lac Léman) and the downstream Rhône River. This region is ecologically sensitive, supporting diverse aquatic life and serving as a critical freshwater resource for Switzerland and France.
Environmental context
The plant discharges into local watercourses that feed into the Rhône River basin, which flows through Lake Geneva and eventually into the Mediterranean Sea. The Lake Geneva region is a major freshwater ecosystem supporting diverse fish populations and migratory birds. Advanced treatment helps protect this sensitive environment from nutrient pollution and other contaminants.
Frequently asked questions
SENARCLENSSIEGS is located in Senarclens, in the District de Morges, canton of Vaud, Switzerland.
The plant serves a population of approximately 599 residents.
The treated effluent is discharged into local watercourses that are part of the Rhône River basin, ultimately reaching Lake Geneva and the Mediterranean Sea.
The plant provides advanced treatment, which includes nutrient removal beyond secondary treatment, in line with Swiss regulations for sensitive water bodies.
Switzerland's Water Protection Act requires advanced treatment for plants discharging into sensitive waters. For a small agglomeration like Senarclens, the plant meets these standards to protect the Lake Geneva ecosystem.
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