Overview
POUILLEY LES VIGNES wastewater treatment plant serves 1,200 people in Pouilley-les-Vignes, Bourgogne-Franche-Comté, France. It provides secondary treatment and discharges treated effluent into the local watershed.
POUILLEY LES VIGNES is a municipal wastewater treatment plant located in Pouilley-les-Vignes, a commune in the Doubs department of Bourgogne-Franche-Comté, France. The plant serves a population of approximately 1,200 residents and is situated along Route d'Émagny, near the hamlet of La Perrouse. As a secondary treatment facility, it plays a key role in managing domestic wastewater for this small agglomeration. Under the EU Urban Waste Water Treatment Directive (91/271/EEC), plants serving agglomerations between 2,000 and 10,000 population equivalent (PE) are generally required to provide secondary treatment. Although the population served here is below 2,000, the plant's secondary treatment aligns with French national standards for smaller communities, ensuring adequate pollutant removal before discharge. The plant has a designed capacity of 3,000 cubic meters per day, with an average daily discharge volume of 214 cubic meters, indicating ample reserve capacity. The treated effluent is discharged into the local watershed, which ultimately drains into the Doubs River, a tributary of the Saône, then the Rhône, and finally the Mediterranean Sea. The plant's operation helps protect the Doubs River and downstream aquatic ecosystems from nutrient pollution and organic matter, supporting water quality in this region of eastern France.
Environmental context
The plant discharges into the Doubs River basin, which flows through the Jura region before joining the Saône River. The Saône then meets the Rhône, which empties into the Mediterranean Sea. The Doubs River supports diverse aquatic life, including fish species such as brown trout and grayling, and its riparian zones provide habitat for birds and amphibians. The plant's secondary treatment reduces biological oxygen demand and suspended solids, helping to maintain the ecological health of this river system.
Frequently asked questions
The plant is located on Route d'Émagny, near La Perrouse, in Pouilley-les-Vignes, a commune in the Doubs department of Bourgogne-Franche-Comté, France.
The plant discharges treated effluent into the local watershed, which flows into the Doubs River, a tributary of the Saône River, and eventually reaches the Mediterranean Sea via the Rhône River.
The plant serves approximately 1,200 residents of Pouilley-les-Vignes and surrounding areas.
Under the EU Urban Waste Water Treatment Directive (91/271/EEC), agglomerations of 2,000 to 10,000 population equivalent (PE) typically require secondary treatment. Although the plant serves fewer than 2,000 PE, its secondary treatment meets French national standards for smaller communities, ensuring effective pollutant removal.
In France, small wastewater treatment plants serving communities under 2,000 PE often use secondary treatment processes such as activated sludge or biofiltration. These systems reduce organic matter and suspended solids to protect receiving water bodies like the Doubs River.
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