Overview
HERY wastewater treatment plant serves Héry, Bourgogne-Franche-Comté, France. It provides secondary treatment for a population of 1,657 and discharges treated water into the local watershed.
HERY wastewater treatment plant is located in Héry, a commune in the Yonne department of Bourgogne-Franche-Comté, France. The plant serves a population of approximately 1,657 people, classifying it as a small agglomeration under French and EU regulations. The plant operates with secondary treatment, which is the standard required by the EU Urban Waste Water Treatment Directive (91/271/EEC) for discharges into freshwater bodies. The designed capacity is 2,500 m³/day, and the current discharge volume is 295.61 m³/day, indicating ample reserve capacity. The treated effluent is discharged into the local watershed, which ultimately drains into the Yonne River, a tributary of the Seine. The Seine River flows through Paris and into the English Channel, supporting diverse aquatic ecosystems and providing water for agriculture and recreation.
Environmental context
The plant discharges into the Yonne River basin, part of the larger Seine watershed. The Seine River and its tributaries support a variety of fish species and are important for migratory birds. The downstream environment includes agricultural areas and urban centers, making nutrient management critical to prevent eutrophication in the Seine estuary and the English Channel.
Frequently asked questions
HERY plant is located in Héry, a commune in the Yonne department of Bourgogne-Franche-Comté, France.
The plant serves a population of approximately 1,657 people.
The plant discharges treated effluent into the local watershed, which flows into the Yonne River, a tributary of the Seine River.
HERY provides secondary treatment, meeting the EU Urban Waste Water Treatment Directive requirements for small agglomerations discharging into freshwater.
As a French plant, HERY operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment for agglomerations of this size.
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