Overview
The TROYES wastewater treatment plant serves over 200,000 people in Barberey-Saint-Sulpice, near Troyes, France. It operates under the EU Urban Waste Water Treatment Directive, which mandates advanced treatment for large agglomerations.
The TROYES wastewater treatment plant is located in Barberey-Saint-Sulpice, a commune in the Aube department of the Grand Est region, France. Serving a population of over 200,000, it is classified as a large agglomeration under EU regulations, requiring tertiary treatment to protect sensitive water bodies. As a large-scale facility, the plant is subject to the EU Urban Waste Water Treatment Directive (91/271/EEC), which sets stringent standards for nutrient removal and disinfection. Plants of this size typically employ advanced biological treatment with phosphorus and nitrogen removal to meet regulatory requirements. The plant's treated effluent is discharged into the Seine River, which flows through the Paris Basin and ultimately into the English Channel. The Seine supports diverse aquatic life and is a critical water resource for the region. The plant plays a key role in maintaining water quality in this ecologically and economically important river system.
Environmental context
The TROYES plant discharges into the Seine River, which flows northwest through the Paris Basin and into the English Channel. The Seine watershed supports a variety of fish species, including pike and perch, and provides habitat for migratory birds. Downstream, the river passes through densely populated areas, making effective wastewater treatment essential for protecting both human health and aquatic ecosystems.
Frequently asked questions
The TROYES plant is located in Barberey-Saint-Sulpice, a commune near Troyes in the Aube department of the Grand Est region, France.
The plant serves a population of approximately 201,041 people, classifying it as a large agglomeration under EU regulations.
The plant discharges treated wastewater into the Seine River, which flows through the Paris Basin and eventually reaches the English Channel.
As a large agglomeration serving over 150,000 people, the plant must meet the requirements of the EU Urban Waste Water Treatment Directive, which mandates tertiary treatment with nutrient removal to protect sensitive water bodies like the Seine.
For large agglomerations in France, standard treatment includes secondary biological treatment followed by tertiary processes such as phosphorus removal and disinfection, often with nitrogen reduction to meet EU standards.
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