Overview
Scuol Guarda wastewater treatment plant serves the village of Guarda in Graubünden, Switzerland. It provides secondary treatment for a population of 620 and has a designed capacity of 875 m³/day.
Scuol Guarda is a wastewater treatment plant located in Guarda, a village in the Engadin region of Graubünden, Switzerland. The plant serves a population of approximately 620 residents and operates with secondary treatment, which is standard for small alpine communities in Switzerland. Switzerland's wastewater treatment regulations are stringent, with most plants required to meet high standards for nutrient removal, especially in sensitive alpine watersheds. The plant's designed capacity of 875 m³/day indicates it is sized to handle seasonal tourist fluctuations common in the region. The treated effluent is discharged into the local hydrological system, ultimately flowing into the Inn River (En in Romansh) and then the Danube River basin. This alpine watershed supports sensitive aquatic ecosystems, including brown trout and other cold-water species, making effective treatment essential for environmental protection.
Environmental context
The plant discharges into a tributary of the Inn River, which flows through the Engadin valley and eventually joins the Danube River, draining into the Black Sea. The alpine watershed is ecologically sensitive, supporting diverse aquatic life such as brown trout and grayling, and is an important corridor for migratory fish. Effective wastewater treatment is crucial to prevent nutrient enrichment and protect the pristine mountain environment.
Frequently asked questions
Scuol Guarda is located in the village of Guarda, in the Engadin region of Graubünden, Switzerland, near the Inn River.
The plant serves a population of approximately 620 residents, typical for a small alpine village.
The treated effluent is discharged into a local tributary of the Inn River, which flows into the Danube River basin and ultimately the Black Sea.
Scuol Guarda provides secondary treatment, which is the standard requirement for small agglomerations under Swiss wastewater regulations.
Switzerland enforces strict wastewater treatment standards under the Waters Protection Act, requiring secondary treatment for all plants and tertiary treatment in sensitive areas. Scuol Guarda's secondary treatment meets the requirements for its size and location.
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