Overview
Saint Leger des Vignes wastewater treatment plant in Sougy-sur-Loire, France, serves 1,617 people with advanced treatment. It discharges 288.47 m³/day and has a designed capacity of 2,500 m³/day.
The Saint Leger des Vignes wastewater treatment plant is located in Sougy-sur-Loire, within the Bourgogne-Franche-Comté region of France. It serves a population of 1,617, classifying it as a small agglomeration under French regulations. The plant is situated inland, away from coastal areas. The facility employs advanced treatment processes, which go beyond the secondary treatment required by the EU Urban Waste Water Treatment Directive (91/271/EEC) for agglomerations of this size. Its designed capacity is 2,500 m³/day, and it currently discharges 288.47 m³/day of treated wastewater. The plant operates under the French regulatory framework, which implements the EU directive and mandates appropriate treatment levels to protect water quality. The treated effluent is discharged into the local watershed, which ultimately drains into the Loire River, one of France's major rivers. The Loire basin supports diverse aquatic ecosystems and is an important corridor for migratory fish species. The advanced treatment helps minimize nutrient and pollutant loads, contributing to the ecological health of the downstream environment.
Environmental context
The plant discharges into the Loire River basin, which flows through central France before reaching the Atlantic Ocean. The Loire is known for its biodiversity, including populations of Atlantic salmon and European eel. Advanced treatment reduces the risk of eutrophication and protects sensitive aquatic habitats in the river and its estuary.
Frequently asked questions
The plant is located at 6, Route de Decize, La Mouille, Sougy-sur-Loire, in the Nièvre department of Bourgogne-Franche-Comté, France.
The plant serves a population of 1,617 people, classifying it as a small agglomeration under French and EU regulations.
The plant uses advanced treatment processes, which provide a higher level of purification than secondary treatment, removing nutrients and other pollutants to protect the receiving water body.
The treated wastewater is discharged into the Loire River basin, which flows through central France and into the Atlantic Ocean. The Loire supports diverse aquatic life and is an important ecological corridor.
As a French plant serving fewer than 2,000 people, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires appropriate treatment. The advanced treatment exceeds the minimum secondary treatment standard, ensuring environmental protection.
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