Overview
Montricher wastewater treatment plant in Vaud, Switzerland serves 849 people with advanced treatment. It discharges 385.38 m³/day and has a designed capacity of 1419 m³/day.
The Montricher wastewater treatment plant is located in the municipality of Montricher, within the District de Morges in the canton of Vaud, Switzerland. This facility serves a small population of 849 residents, reflecting the rural character of the area. The plant is situated inland, more than 10 km from the coast, but within 50 km of Lake Geneva. The plant employs advanced treatment processes, which go beyond the secondary treatment standard required under Swiss regulations for smaller agglomerations. With a designed capacity of 1419 m³/day and an actual discharge volume of 385.38 m³/day, the plant operates well below its capacity, indicating room for future growth or seasonal variations. Swiss wastewater treatment is governed by the Federal Water Protection Act (GSchG), which mandates strict effluent standards to protect water bodies. The treated effluent from Montricher ultimately drains into the Rhone River basin via local streams and the Aubonne River, which flows into Lake Geneva. Lake Geneva is a major freshwater resource and a sensitive ecosystem supporting diverse aquatic life and serving as a drinking water source for the region. The advanced treatment ensures minimal environmental impact on this important water body.
Environmental context
The plant discharges into the local watershed that feeds the Aubonne River, a tributary of Lake Geneva (Lac Léman). Lake Geneva is the largest freshwater lake in Western Europe and a critical ecological and drinking water resource. The advanced treatment level helps protect the lake's water quality, which supports diverse fish populations and migratory birds. The Rhone River ultimately carries the water from Lake Geneva to the Mediterranean Sea.
Frequently asked questions
The Montricher wastewater treatment plant is located in the municipality of Montricher, in the District de Morges, canton of Vaud, Switzerland.
The plant serves a population of 849 people, typical of a small rural agglomeration in Switzerland.
The plant uses advanced treatment processes, which provide a higher level of pollutant removal than secondary treatment, ensuring high-quality effluent discharge.
The plant protects the Aubonne River and downstream Lake Geneva, a major freshwater lake that supports aquatic ecosystems and provides drinking water.
The plant operates under the Swiss Federal Water Protection Act (GSchG), which sets strict effluent standards for all treatment plants to protect water resources.
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