Overview
L'Abbaye Les Bioux is an advanced wastewater treatment plant in Les Bioux, Vaud, Switzerland, serving 898 people with a designed capacity of 1500 m³/day.
L'Abbaye Les Bioux is an advanced wastewater treatment plant located in Les Bioux, a locality within the municipality of L'Abbaye in the canton of Vaud, Switzerland. It serves a population of approximately 898 residents and has a designed capacity of 1500 cubic meters per day, with a discharge volume of 407.62 cubic meters per day. The plant is situated in the Jura-Nord vaudois district, a region characterized by its rural landscape and proximity to the Jura Mountains. As an advanced treatment facility, it goes beyond secondary treatment to remove nutrients such as nitrogen and phosphorus, which is typical for plants in Switzerland operating under stringent national water protection regulations. The Swiss Water Protection Act (Gewässerschutzgesetz) mandates high treatment standards to safeguard water quality, especially in sensitive areas like the Lake Geneva region. The plant's advanced treatment ensures that effluent meets strict limits before discharge. The treated wastewater is discharged into local watercourses that eventually flow into the Orbe River, a tributary of the Rhone River, which drains into Lake Geneva (Lac Léman) and ultimately the Mediterranean Sea. The plant plays a crucial role in protecting the aquatic ecosystems of the Orbe River and Lake Geneva, which support diverse fish populations and are important for regional biodiversity and recreation.
Environmental context
The plant discharges into the Orbe River watershed, which flows into Lake Geneva (Lac Léman), one of the largest freshwater lakes in Europe. Lake Geneva is a critical ecological resource, supporting diverse aquatic life including whitefish, perch, and trout, and serves as a major drinking water source for the region. The advanced treatment at L'Abbaye Les Bioux helps reduce nutrient loading, preventing eutrophication and maintaining water quality in this sensitive alpine lake ecosystem.
Frequently asked questions
The plant is located in Les Bioux, a locality in the municipality of L'Abbaye, in the district of Jura-Nord vaudois, canton of Vaud, Switzerland.
The plant serves approximately 898 residents in the Les Bioux area.
The plant employs advanced treatment, which includes nutrient removal (nitrogen and phosphorus) in addition to secondary biological treatment, ensuring high-quality effluent.
The plant discharges into the Orbe River watershed, which flows into Lake Geneva (Lac Léman), a major freshwater lake in Europe. The advanced treatment helps protect these water bodies from pollution.
The plant operates under the Swiss Water Protection Act (Gewässerschutzgesetz), which sets strict standards for wastewater treatment to protect water quality in Switzerland's lakes and rivers.
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