Overview
OUDON Les Chardonnets is an advanced wastewater treatment plant in Oudon, Pays de la Loire, France, serving 2,067 people with a designed capacity of 3,000 m³/day and a discharge volume of 368.75 m³/day.
OUDON Les Chardonnets is a wastewater treatment plant located in Oudon, within the Pays de la Loire region of France. The facility serves a population of 2,067 and is designed to handle up to 3,000 m³ of wastewater per day, with an average discharge volume of 368.75 m³/day. The plant employs advanced treatment processes, which go beyond the secondary treatment requirements mandated by the EU Urban Waste Water Treatment Directive (91/271/EEC) for agglomerations of this size. This level of treatment is typically required in sensitive areas to reduce nutrient pollution and protect receiving water bodies. The treated effluent is discharged into the local watershed, which ultimately drains into the Loire River and then the Atlantic Ocean. The plant's advanced treatment helps safeguard the ecological health of the Loire estuary and coastal waters, supporting biodiversity and water quality in the region.
Environmental context
The plant discharges into the Loire River basin, which flows into the Atlantic Ocean via the Loire estuary. This estuary is a critical habitat for migratory fish species such as Atlantic salmon and European eel, and supports diverse aquatic life. Advanced treatment at this plant helps reduce nutrient loads, protecting downstream ecosystems from eutrophication.
Frequently asked questions
OUDON Les Chardonnets is located in Oudon, in the Pays de la Loire region of France, along the Loire River.
The plant serves a population of 2,067 people in the Oudon area.
The treated wastewater is discharged into the local watershed, which flows into the Loire River and eventually the Atlantic Ocean.
The plant provides advanced treatment, which exceeds the secondary treatment standard required by the EU Urban Waste Water Treatment Directive for agglomerations of this size.
The plant operates under the EU Urban Waste Water Treatment Directive, transposed into French law, which mandates appropriate treatment levels based on population and receiving water sensitivity.
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