Overview
Butschwil wastewater treatment plant serves Bütschwil-Ganterschwil in St. Gallen, Switzerland. It has a designed capacity of 1.00 and serves a population of 3,491.
The Butschwil wastewater treatment plant is located in Bütschwil-Ganterschwil, within the Wahlkreis Toggenburg district of St. Gallen, Switzerland. It serves a population of approximately 3,491 residents, making it a small-scale municipal facility typical of rural Swiss communities. As a Swiss plant, it operates under the Swiss Water Protection Act (Gewässerschutzgesetz), which mandates appropriate treatment for all wastewater discharges. For a plant of this size, secondary treatment is standard, with possible phosphorus removal to protect sensitive Alpine rivers and lakes. The treated effluent is discharged into local watercourses that flow into the Thur River, a tributary of the Rhine. The Rhine ultimately drains into the North Sea. The plant plays a key role in protecting the local aquatic ecosystem, which supports diverse fish populations and is part of a region known for its high water quality standards.
Environmental context
The plant discharges into local streams that feed the Thur River, which joins the Rhine near Schaffhausen. The Rhine flows through Germany and the Netherlands into the North Sea. The region's watershed is ecologically sensitive, supporting salmonid fish and other aquatic life. Swiss regulations require advanced treatment to prevent eutrophication in downstream lakes and rivers.
Frequently asked questions
The Butschwil wastewater treatment plant is located in Bütschwil-Ganterschwil, in the Wahlkreis Toggenburg district of St. Gallen, Switzerland.
The plant serves approximately 3,491 people, making it a small-scale municipal facility.
The treated effluent is discharged into local streams that flow into the Thur River, a tributary of the Rhine, which ultimately reaches the North Sea.
The plant operates under the Swiss Water Protection Act (Gewässerschutzgesetz), which requires appropriate treatment for all wastewater discharges to protect water quality.
For small agglomerations in Switzerland, secondary treatment with phosphorus removal is standard to protect sensitive water bodies like the Rhine basin.
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