Overview
SATTEL wastewater treatment plant serves the municipality of Sattel in Schwyz, Switzerland. It treats wastewater from a population of approximately 2,244 under Swiss federal water protection regulations.
The SATTEL wastewater treatment plant is located in the municipality of Sattel, in the canton of Schwyz, Switzerland. Serving a population of about 2,244, this facility is part of the country's decentralized wastewater infrastructure, which ensures high treatment standards even for smaller agglomerations. Switzerland's Water Protection Act (Gewässerschutzgesetz) mandates stringent treatment requirements for all wastewater plants. For plants of this scale, secondary treatment with nutrient removal is typically required to protect sensitive water bodies. The plant operates under cantonal oversight, with permits issued by the Schwyz environmental authority. The treated effluent from Sattel ultimately drains into the Sihl River, which flows through the Sihlsee reservoir and continues to the Limmat River, a tributary of the Rhine. The Rhine then flows into the North Sea. The local watershed supports diverse aquatic life and is an important corridor for migratory fish species.
Environmental context
The Sattel plant discharges into the Sihl River, which flows into the Sihlsee reservoir and then the Limmat River, a major tributary of the Rhine. The Rhine basin is ecologically significant, supporting diverse fish populations and serving as a key migratory route. Swiss regulations require advanced treatment to protect these downstream ecosystems from nutrient pollution.
Frequently asked questions
The SATTEL plant is located at Brüggli 10, in the Ecce Homo area of Sattel, in the canton of Schwyz, Switzerland.
The plant serves approximately 2,244 people in the municipality of Sattel and surrounding areas.
The treated effluent is discharged into the Sihl River, which flows into the Sihlsee reservoir and eventually reaches the Rhine River and the North Sea.
The plant operates under the Swiss Water Protection Act (Gewässerschutzgesetz), which requires secondary treatment with nutrient removal for plants of this size to protect sensitive water bodies.
In Switzerland, small to medium agglomerations like Sattel typically employ mechanical-biological treatment with phosphorus removal, often using activated sludge or biofilm processes, to meet strict effluent standards.
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