CUSSEY SUR L OGNON Wastewater Treatment Plant, Chambornay-lès-Pin, France

CUSSEY SUR L OGNON is a wastewater treatment plant located in Chambornay-lès-Pin, in the Bourgogne-Franche-Comté region of France. It serves a population of approximately 2,700 people, placing it in the small agglomeration category under French regulations. The plant is situated inland, away from coastal areas, and discharges treated effluent into the local watershed. The plant provides secondary treatment, which is the standard required by the EU Urban Waste Water Treatment Directive (91/271/EEC) for agglomerations of this size. Secondary treatment typically involves biological processes to reduce organic matter and suspended solids. The plant has a designed capacity of 3,600 m³/day, with an actual discharge volume of 481.68 m³/day, indicating it operates well below its capacity. The treated effluent from the plant is discharged into the Ognon River, a tributary of the Saône, which flows into the Rhône and eventually the Mediterranean Sea. The Ognon River supports diverse aquatic life and is an important ecological corridor in the region. The plant plays a key role in protecting water quality in this river system.

The plant discharges into the Ognon River, a tributary of the Saône River, which flows into the Rhône and ultimately the Mediterranean Sea. The Ognon River supports diverse aquatic life and is an important migratory corridor for fish species. The plant's secondary treatment helps reduce nutrient and organic pollution, protecting downstream ecosystems.