Overview
CONTRES wastewater treatment plant serves Le Controis-en-Sologne in Centre-Val de Loire, France. It treats wastewater for approximately 13,883 people under the EU Urban Waste Water Treatment Directive.
The CONTRES wastewater treatment plant is located in Le Controis-en-Sologne, a commune in the Loir-et-Cher department of Centre-Val de Loire, France. It serves a population of about 13,883, placing it in the medium agglomeration category under EU regulations. As a French plant, CONTRES operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations of this size. The plant's treated effluent likely discharges into local watercourses that flow into the Loire River basin, ultimately reaching the Atlantic Ocean. The surrounding Sologne region is known for its wetlands and forests, which support diverse aquatic life and migratory birds.
Environmental context
The plant's discharge enters the local hydrology within the Loire River basin, one of France's major river systems. The Loire flows westward into the Atlantic Ocean, supporting a rich ecosystem including migratory fish species. The Sologne region features numerous ponds and wetlands that are ecologically sensitive, and the plant's operations contribute to protecting these habitats from nutrient pollution.
Frequently asked questions
The CONTRES plant is located at 12 Rue de la Bièvre, Contres, in the commune of Le Controis-en-Sologne, Loir-et-Cher, Centre-Val de Loire, France.
The plant serves approximately 13,883 people, classifying it as a medium-sized agglomeration under EU standards.
The treated effluent is discharged into local watercourses within the Loire River basin, which ultimately flows into the Atlantic Ocean.
Under the EU UWWTD (91/271/EEC), agglomerations with a population equivalent between 10,000 and 150,000 must have secondary treatment. CONTRES, serving about 13,883 people, falls under this requirement.
French plants of this scale typically employ secondary biological treatment, such as activated sludge or biofiltration, to meet EU standards. Some may also include tertiary treatment if discharging into sensitive areas.
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