KLARANLAGE EDERSWILER - Secondary Wastewater Treatment Plant in Ederswiler, Jura, Switzerland

KLARANLAGE EDERSWILER is a wastewater treatment plant located in the small village of Ederswiler, in the Jura canton of Switzerland. The plant serves a population of 135, reflecting its role in a rural, low-density community. It operates with secondary treatment, which is standard for small agglomerations under Swiss regulations. As a Swiss plant, KLARANLAGE EDERSWILER is subject to the Swiss Water Protection Act (Gewässerschutzgesetz), which mandates appropriate treatment for all discharges. For a plant of this scale, secondary treatment is typical and sufficient to meet the required effluent quality standards. The plant has a designed capacity of 317 m³/day and currently discharges 61.28 m³/day, indicating ample reserve capacity. The treated effluent is discharged into local watercourses that ultimately drain into the Rhine River basin. The Jura region is characterized by karstic geology and sensitive aquatic ecosystems, making proper wastewater treatment essential for protecting groundwater and surface water quality. The plant contributes to maintaining the ecological health of the downstream environment.

The treated wastewater from KLARANLAGE EDERSWILER flows into small streams in the Jura region, which are part of the Rhine River basin. The Rhine ultimately discharges into the North Sea. The local watershed includes karstic formations that are highly permeable, making groundwater protection a priority. The plant helps safeguard downstream aquatic habitats, including those supporting diverse fish and invertebrate communities.