CUISERY Wastewater Treatment Plant, Cuisery, France

The CUISERY wastewater treatment plant is located in Cuisery, a commune in the Saône-et-Loire department of Bourgogne-Franche-Comté, France. It serves a population of approximately 4,557 people, classifying it as a small to medium agglomeration under French regulations. The plant is situated near the Seille River, a tributary of the Saône, which ultimately flows into the Rhône and the Mediterranean Sea. The plant operates with secondary treatment, which is the standard required by the EU Urban Waste Water Treatment Directive (91/271/EEC) for inland agglomerations of this size. Its designed capacity is 6,750 m³/day, and it currently discharges an average volume of 812.96 m³/day, indicating operational headroom. Secondary treatment typically involves biological processes to reduce organic matter and suspended solids. The treated effluent is discharged into the local watercourse, contributing to the protection of the Seille River and downstream ecosystems. The Seille flows into the Saône, which joins the Rhône near Lyon. This river system supports diverse aquatic life and is important for regional water quality. The plant's operation helps maintain the ecological balance of the watershed and complies with French and EU environmental standards.

The CUISERY plant discharges into the Seille River, a tributary of the Saône River, which flows into the Rhône and ultimately the Mediterranean Sea. The watershed supports diverse aquatic habitats and is used for agriculture and recreation. The plant's secondary treatment reduces organic pollutants, protecting downstream water quality and aquatic life in the Seille-Saône-Rhône system.