Overview
SURY LE COMTAL Les Chartonnes Bourg is a secondary treatment plant in Sury-le-Comtal, Auvergne-Rhône-Alpes, France, serving about 5,570 people with a discharge volume of 993.68 m³/day.
SURY LE COMTAL Les Chartonnes Bourg is a municipal wastewater treatment plant located in the commune of Sury-le-Comtal, within the Loire department of the Auvergne-Rhône-Alpes region in central-eastern France. The plant serves a population of approximately 5,570 residents, classifying it as a small to medium agglomeration under French and European regulatory frameworks. 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 discharging into freshwater. The designed capacity is 9,834 m³/day, with an actual discharge volume of 993.68 m³/day, indicating significant spare capacity. Secondary treatment typically involves biological processes such as activated sludge or trickling filters. The treated effluent is discharged into a local watercourse that ultimately flows into the Loire River, one of France's major rivers, which drains into the Atlantic Ocean. The plant plays a key role in protecting the Loire basin's water quality and supporting aquatic ecosystems downstream.
Environmental context
The plant discharges into a tributary of the Loire River, which flows through the Loire Valley before reaching the Atlantic Ocean. The Loire basin supports diverse aquatic life, including migratory fish species such as Atlantic salmon and European eel. The plant's secondary treatment helps reduce organic pollution and nutrient loads, contributing to the ecological health of this important river system.
Frequently asked questions
The plant is located in Les Chartonnes, Sury-le-Comtal, in the Loire department of Auvergne-Rhône-Alpes, France.
The plant serves approximately 5,570 people, classifying it as a small to medium agglomeration under EU regulations.
The plant provides secondary treatment and discharges treated effluent into a local watercourse that flows into the Loire River, ultimately reaching the Atlantic Ocean.
As a French municipal plant, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations of this size discharging into freshwater.
For agglomerations between 2,000 and 10,000 population equivalent, the EU directive mandates secondary treatment, which is typically achieved through biological processes like activated sludge.
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