Overview
Ormont-Dessous La Forclaz wastewater treatment plant in Vaud, Switzerland, serves 748 people with advanced treatment. It discharges 339.53 m³/day and has a designed capacity of 1250 m³/day.
The Ormont-Dessous La Forclaz wastewater treatment plant is located in the municipality of Ormont-Dessous in the canton of Vaud, Switzerland. Serving a population of 748, this facility is part of the country's decentralized wastewater infrastructure for alpine communities. The plant employs advanced treatment processes, exceeding the secondary treatment standard required by Swiss regulations for smaller agglomerations. With a designed capacity of 1250 m³/day and an average daily discharge of 339.53 m³/day, it operates well below its capacity, indicating room for future growth. Treated effluent is discharged into local waterways that ultimately drain into the Rhône River basin, which flows into Lake Geneva and then the Mediterranean Sea. The plant plays a key role in protecting the sensitive alpine aquatic ecosystems and downstream water quality.
Environmental context
The plant discharges into local streams that feed the Rhône River, which flows through the Swiss Alps into Lake Geneva and eventually the Mediterranean Sea. The alpine watershed supports diverse aquatic life, including trout and other cold-water species, and is sensitive to nutrient pollution. Advanced treatment helps maintain the ecological integrity of these high-altitude water bodies.
Frequently asked questions
The plant is located at 1, Chemin du Collège, La Forclaz VD, in the municipality of Ormont-Dessous, canton of Vaud, Switzerland.
The plant serves a population of 748 people, typical for a small alpine community in Switzerland.
The plant provides advanced treatment, which goes beyond secondary treatment to remove nutrients and other pollutants, ensuring high-quality effluent.
Swiss wastewater treatment plants are regulated under the Federal Water Protection Act (GSchG). Plants serving small communities are required to meet secondary treatment standards; this plant's advanced treatment exceeds those requirements.
The plant has a designed capacity of 1250 m³ per day, with an average daily discharge of 339.53 m³, indicating it operates well below capacity.
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