Overview
EPERNAY wastewater treatment plant serves Cumières and Épernay in Grand Est, France. It handles a population equivalent of 88,350 under the EU Urban Waste Water Treatment Directive.
The EPERNAY wastewater treatment plant is located in Cumières, near Épernay, in the Marne department of the Grand Est region, France. It serves a population equivalent of 88,350, classifying it as a medium-to-large agglomeration under EU regulations. As a French facility, the plant operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations of this scale. For sensitive areas, tertiary treatment may be mandated to reduce nutrient loads. The plant's discharge is regulated by French authorities under the national water law (Loi sur l'eau), with permits issued by the local water agency (Agence de l'Eau Seine-Normandie). The treated effluent is discharged into the Marne River, a major tributary of the Seine. The Seine basin drains into the English Channel, supporting diverse aquatic ecosystems and providing water for agriculture, industry, and recreation downstream. The plant plays a key role in protecting water quality in this densely populated and agriculturally intensive region.
Environmental context
The EPERNAY plant discharges into the Marne River, which flows into the Seine River and ultimately reaches the English Channel. The Marne watershed is ecologically significant, supporting fish populations such as pike and barbel, and providing habitat for migratory birds. The region's intensive agriculture and champagne production contribute nutrient runoff, making effective wastewater treatment critical to preventing eutrophication in downstream water bodies.
Frequently asked questions
The EPERNAY plant is located in Cumières, near Épernay, in the Marne department of the Grand Est region, France.
The plant serves a population equivalent of 88,350, classifying it as a medium-to-large agglomeration under EU regulations.
The treated wastewater is discharged into the Marne River, a major tributary of the Seine River, which flows into the English Channel.
Under the EU UWWTD (91/271/EEC), agglomerations of this scale require secondary treatment. In sensitive areas like the Seine basin, tertiary treatment for nutrient removal may be required to protect water quality.
French plants of this size typically employ secondary biological treatment (activated sludge or similar) and often include tertiary nutrient removal to meet stringent discharge standards set by the local water agency.
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