SAINT GENEST LERPT Ponsonneau Wastewater Treatment Plant, Saint-Genest-Lerpt, France

SAINT GENEST LERPT Ponsonneau is an advanced wastewater treatment plant located in Saint-Genest-Lerpt, within the Auvergne-Rhône-Alpes region of France. The plant serves a population of 5,337 and has a designed capacity of 7,000 cubic meters per day, with an average discharge volume of 952.11 cubic meters per day. It operates under the French regulatory framework, which implements the EU Urban Waste Water Treatment Directive (91/271/EEC). As an advanced treatment facility, the plant provides tertiary-level treatment, ensuring high-quality effluent that meets stringent standards for nutrient removal and pathogen reduction. This level of treatment is typical for plants discharging into sensitive areas or serving communities where environmental protection is prioritized. The plant's capacity utilization appears moderate, indicating efficient operation within its design parameters. The treated effluent from SAINT GENEST LERPT Ponsonneau is discharged into the local water system, which ultimately drains into the Loire River basin. The Loire River is one of France's major waterways, flowing into the Atlantic Ocean. The plant plays a crucial role in protecting the Loire's water quality and supporting the diverse aquatic ecosystems along its course, including fish populations and migratory species.

The plant discharges into the Loire River basin, which flows through central France before reaching the Atlantic Ocean. The Loire is known for its rich biodiversity, including salmon and eel populations, and supports extensive wetlands and floodplain habitats. The advanced treatment provided by the plant helps reduce nutrient loads and pollutants, contributing to the ecological health of this important river system.