YVONAND Wastewater Treatment Plant, Yvonand, Vaud, Switzerland

The YVONAND wastewater treatment plant is located in Yvonand, a municipality in the district of Jura-Nord vaudois, Vaud, Switzerland. The plant serves a population of approximately 2,848 residents, reflecting its role as a small-scale municipal facility in the region. As a Swiss treatment plant, it operates under the national water protection legislation, which aligns with the EU Urban Waste Water Treatment Directive (91/271/EEC) through bilateral agreements. For agglomerations of this size, secondary treatment is typically required to ensure adequate pollutant removal before discharge. The plant's treated effluent is likely discharged into a local watercourse that drains into Lake Neuchâtel, a major lake in western Switzerland. This lake is part of the Rhine basin, ultimately flowing into the North Sea. The plant plays a key role in protecting the lake's water quality and supporting its aquatic ecosystem.

The YVONAND plant discharges into a local stream that flows into Lake Neuchâtel, one of the largest lakes in Switzerland. Lake Neuchâtel supports diverse aquatic life and is an important ecological resource in the region. The plant's operations help maintain water quality in the lake, which is part of the Rhine basin and drains to the North Sea.