Overview
CLERMONT FERRAND wastewater treatment plant serves Clermont-Ferrand, Auvergne-Rhône-Alpes, France. It handles a population equivalent of 259,150, operating under the EU Urban Waste Water Treatment Directive.
The CLERMONT FERRAND wastewater treatment plant is located in Clermont-Ferrand, in the Auvergne-Rhône-Alpes region of central France. It serves a population equivalent of approximately 259,150, classifying it as a large agglomeration under EU regulations. As a major treatment facility, it is subject to the EU Urban Waste Water Treatment Directive 91/271/EEC, which requires advanced treatment (tertiary) for discharges into sensitive areas. The plant's treatment processes and capacity are designed to meet these stringent standards, ensuring compliance with French and European environmental legislation. The treated effluent is discharged into the local watershed, which ultimately drains into the Loire River basin. The Loire is one of France's longest rivers, flowing into the Atlantic Ocean. The plant plays a crucial role in protecting the water quality of the Loire and its tributaries, supporting aquatic ecosystems and downstream communities.
Environmental context
The plant discharges into the Allier River, a major tributary of the Loire River. The Loire basin is ecologically significant, supporting diverse aquatic life including migratory fish species such as Atlantic salmon and European eel. The watershed also provides drinking water and irrigation for the region. Effective wastewater treatment is essential to prevent nutrient pollution and maintain the ecological health of this important river system.
Frequently asked questions
The plant is located in Clermont-Ferrand, in the Auvergne-Rhône-Alpes region of central France.
The plant serves a population equivalent of 259,150, making it a large agglomeration under EU classification.
Treated effluent is discharged into the Allier River, a tributary of the Loire River, which flows into the Atlantic Ocean.
As a French plant serving over 150,000 people, it operates under the EU Urban Waste Water Treatment Directive 91/271/EEC, which mandates tertiary treatment for sensitive areas.
For large agglomerations in France, the EU directive requires at least secondary treatment, and often tertiary treatment to protect sensitive water bodies like the Loire basin.
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