BRIENNE LE CHATEAU Wastewater Treatment Plant, Brienne-le-Château, Grand Est, France

BRIENNE LE CHATEAU is a wastewater treatment plant located in Brienne-le-Château, a commune in the Aube department of the Grand Est region, France. The plant serves a population of approximately 4,455 people and is situated in the industrial zone of Est-Verdun. It operates under the French regulatory framework, which implements the EU Urban Waste Water Treatment Directive (91/271/EEC) for agglomerations of this scale. The plant provides advanced treatment, which goes beyond the secondary treatment required by the EU directive for inland areas. Its designed capacity is 7,300 m³/day, and the current discharge volume is 794.76 m³/day, indicating operational capacity well below design limits. Advanced treatment typically includes nutrient removal to protect sensitive water bodies. Treated effluent is discharged into the local watershed, which ultimately drains into the Seine River basin via the Aube River. The plant plays a key role in protecting the Aube River and downstream ecosystems, including the Seine, from nutrient pollution and organic loads. Its advanced treatment helps maintain water quality in a region known for agricultural activity and sensitive aquatic habitats.

The plant discharges into the Aube River, a tributary of the Seine, which flows through the Grand Est region before reaching the English Channel. The Aube River supports diverse aquatic life and is part of a watershed that includes ecologically sensitive areas. Advanced treatment at this plant helps reduce nutrient loading, protecting downstream water quality and preventing eutrophication in the Seine estuary.