NONANCOURT 2 Wastewater Treatment Plant, Saint-Lubin-des-Joncherets, France

NONANCOURT 2 is a wastewater treatment plant located in Saint-Lubin-des-Joncherets, in the Centre-Val de Loire region of France. The plant serves a population equivalent of 8,125, placing it in the small-to-medium agglomeration category under EU classification. As a French facility, the plant operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations of this size. The directive also mandates appropriate treatment before discharge into freshwater bodies to protect water quality and ecosystems. The treated effluent from NONANCOURT 2 is discharged into the local watershed, which ultimately drains into the Seine River basin. The Seine flows through Paris and into the English Channel, supporting diverse aquatic life and providing water for agriculture and industry along its course.

The plant discharges into the Seine River basin, which flows through the Île-de-France region and into the English Channel. The Seine supports a variety of fish species and is an important ecological corridor for migratory birds. Downstream, the estuary provides critical habitat for aquatic life and contributes to the nutrient dynamics of the Channel.