Overview
La Chevroliere La Grande Noe is an advanced wastewater treatment plant in Passay, Pays de la Loire, France. It serves approximately 3,933 people with a designed capacity of 8,000 m³/day.
La Chevroliere La Grande Noe is a wastewater treatment plant located in Passay, within the commune of La Chevroliere in the Loire-Atlantique department of Pays de la Loire, France. The plant serves a population of about 3,933 and has a designed capacity of 8,000 cubic meters per day, with an average discharge volume of 701.64 m³/day. The plant employs advanced treatment processes, going beyond the secondary treatment required by the EU Urban Waste Water Treatment Directive (91/271/EEC) for agglomerations of this size. This level of treatment ensures high-quality effluent suitable for discharge into sensitive environments. The treated wastewater is discharged into the local watershed, which ultimately drains into the Loire River and then into the Atlantic Ocean. The plant plays a key role in protecting the aquatic ecosystems of the region, including the Loire estuary and its associated wetlands, which support diverse wildlife and migratory bird populations.
Environmental context
The plant discharges into the local watershed that feeds the Loire River, one of France's major rivers, which flows into the Atlantic Ocean near Saint-Nazaire. The Loire estuary is a dynamic environment supporting diverse aquatic life, including fish species such as Atlantic salmon and European eel. The advanced treatment helps minimize nutrient loading and protects downstream water quality in this ecologically sensitive region.
Frequently asked questions
The plant is located at La Grande Noë, Passay, in the commune of La Chevroliere, Loire-Atlantique, Pays de la Loire, France.
The plant serves approximately 3,933 people.
The treated wastewater is discharged into the local watershed, which flows into the Loire River and eventually reaches the Atlantic Ocean.
The plant provides advanced treatment, exceeding 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 (91/271/EEC), transposed into French law. For a population of about 3,933, the directive requires secondary treatment, but the plant provides advanced treatment, indicating a higher level of environmental protection.
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