Overview
Scuol Sot Ruinas wastewater treatment plant serves the municipality of Scuol in Graubünden, Switzerland. It treats wastewater for approximately 7,868 people in the Engadin valley.
Scuol Sot Ruinas is a wastewater treatment plant located in the municipality of Scuol, in the canton of Graubünden, Switzerland. The plant serves a population of around 7,868 residents in the Engadin region, a high alpine valley in the Swiss Alps. As a Swiss facility, it operates under the Swiss Water Protection Act (Gewässerschutzgesetz), which sets stringent standards for wastewater treatment to protect the country's sensitive alpine water bodies. Swiss regulations require advanced treatment for plants discharging into sensitive areas, and the Engadin region is known for its pristine rivers and lakes. The plant's treatment process is designed to meet these high standards, ensuring that effluent quality protects the local aquatic environment. The plant's capacity and treatment level are consistent with the requirements for a medium-sized agglomeration in a mountainous region. The treated effluent from Scuol Sot Ruinas is discharged into the Inn River, which flows through the Engadin valley. The Inn River is a major tributary of the Danube, eventually reaching the Black Sea. This makes the plant's performance important for downstream water quality in both the Inn and Danube basins, supporting diverse aquatic life and recreational uses in the alpine and subalpine ecosystems.
Environmental context
The plant discharges into the Inn River, which originates in the Swiss Alps and flows through the Engadin valley. The Inn is a key tributary of the Danube, ultimately reaching the Black Sea. The alpine watershed is ecologically sensitive, supporting cold-water fish species and pristine aquatic habitats. The plant's treatment helps protect the river's water quality for downstream communities and ecosystems.
Frequently asked questions
The plant is located in Scuol, in the canton of Graubünden, Switzerland, in the Engadin valley.
The plant serves approximately 7,868 people in the Scuol municipality and surrounding area.
The treated effluent is discharged into the Inn River, which flows through the Engadin valley and eventually reaches the Danube and the Black Sea.
The plant operates under the Swiss Water Protection Act, which mandates advanced treatment for discharges into sensitive alpine waters to protect water quality.
Swiss plants of this scale typically employ mechanical-biological treatment with nutrient removal, often including phosphorus elimination, to meet strict effluent standards for alpine rivers.
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