Overview
LEUKERBAD wastewater treatment plant serves the Swiss alpine resort of Leukerbad in Valais/Wallis. It treats wastewater from approximately 5,678 people in the Rhône basin.
The LEUKERBAD wastewater treatment plant is located in Leukerbad, a municipality in the Valais/Wallis canton of Switzerland. Situated in the Swiss Alps, the plant serves a population of about 5,678 residents and visitors, reflecting the town's role as a spa and ski destination. The facility is part of Switzerland's municipal wastewater infrastructure, which is regulated under national water protection laws that align with EU standards. As a Swiss treatment plant, LEUKERBAD operates under the Federal Water Protection Act (Gewässerschutzgesetz), which mandates appropriate treatment levels for discharges into sensitive alpine waters. For a community of this size, secondary treatment with nutrient removal is typical to protect receiving waters. The plant's capacity and treatment processes are designed to handle seasonal tourist flows, ensuring compliance with stringent Swiss effluent quality standards. The treated effluent is discharged into the local watershed, which drains into the Rhône River via the Dala stream. The Rhône flows through the Valais valley and eventually into Lake Geneva (Lac Léman) and the Mediterranean Sea. The alpine environment is ecologically sensitive, supporting diverse aquatic life and serving as a critical water source for downstream communities and agriculture.
Environmental context
The plant discharges into the Dala stream, a tributary of the Rhône River. The Rhône flows through the Valais valley into Lake Geneva, one of Europe's largest lakes, and ultimately reaches the Mediterranean Sea. The alpine watershed is ecologically sensitive, supporting cold-water fish species and providing drinking water for downstream communities. Nutrient loading from wastewater must be carefully managed to prevent eutrophication in Lake Geneva.
Frequently asked questions
The LEUKERBAD plant is located in Leukerbad, a municipality in the Valais/Wallis canton of Switzerland, at an alpine altitude in the Rhône River basin.
The plant serves approximately 5,678 people, including residents and tourists, given Leukerbad's status as a spa and ski resort.
Treated effluent is discharged into the Dala stream, which flows into the Rhône River, then into Lake Geneva and eventually the Mediterranean Sea.
The plant operates under Switzerland's Federal Water Protection Act, which sets strict effluent standards for discharges into sensitive alpine waters, similar to the EU Urban Waste Water Treatment Directive.
For a community of this size in Switzerland, secondary treatment with nutrient removal (nitrogen and phosphorus) is standard to protect receiving waters, especially in alpine regions where water quality is critical.
Nearby plants