Overview
MASE is an advanced wastewater treatment plant serving Mont-Noble in Valais, Switzerland. It treats wastewater for a population of 370 with a designed capacity of 867 m³/day.
MASE is a wastewater treatment plant located in the village of Mase, part of the municipality of Mont-Noble in the Valais/Wallis canton of Switzerland. The plant serves a small population of 370 residents in this Alpine region, providing essential sanitation services to the local community. The plant employs advanced treatment processes, which go beyond the secondary treatment standard typically required under Swiss water protection regulations. With a designed capacity of 867 m³/day and a current discharge volume of 167.95 m³/day, the facility operates well within its capacity, ensuring effective treatment of domestic wastewater. The treated effluent is discharged into the local watershed, which ultimately drains into the Rhône River via the Borgne or nearby streams. The Rhône flows through the Valais valley and into Lake Geneva, supporting diverse aquatic ecosystems. The advanced treatment level helps protect these sensitive Alpine waters from nutrient pollution.
Environmental context
The plant discharges into a tributary of the Rhône River, which flows through the Valais region and into Lake Geneva. The Rhône basin supports diverse aquatic life, including fish species like brown trout and grayling. Advanced treatment reduces nutrient loads, protecting downstream water quality in this ecologically sensitive Alpine watershed.
Frequently asked questions
The MASE plant is located in the village of Mase, part of the municipality of Mont-Noble in the Valais/Wallis canton of Switzerland.
The plant serves a population of 370 residents in the Alpine community of Mase and surrounding areas.
The plant uses advanced treatment processes, which provide a higher level of purification than standard secondary treatment, including nutrient removal to protect sensitive water bodies.
The treated effluent is discharged into a local stream that flows into the Rhône River, which eventually reaches Lake Geneva.
Switzerland enforces strict water protection laws under the Waters Protection Act. The advanced treatment level at MASE meets or exceeds the requirements for small Alpine communities, ensuring minimal environmental impact.
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