Overview
Cléry-Saint-André wastewater treatment plant in Centre-Val de Loire, France, serves about 3,600 residents with advanced treatment. It discharges treated water into the Loire River basin, supporting local water quality.
The Cléry-Saint-André wastewater treatment plant is located in the commune of Cléry-Saint-André, within the Loiret department of the Centre-Val de Loire region, France. It serves a population of approximately 3,614 people, classifying it as a small agglomeration under French regulations. The plant employs advanced treatment processes, which go beyond the secondary treatment required by the EU Urban Waste Water Treatment Directive (91/271/EEC) for agglomerations of this size. With a designed capacity of 6,000 m³/day and an average daily discharge volume of 644.73 m³, the facility operates well below its capacity, indicating room for future growth or seasonal variations. The treated effluent is discharged into the local watershed, which ultimately drains into the Loire River, one of France's longest rivers. The Loire basin supports diverse aquatic ecosystems and is a critical resource for agriculture, tourism, and biodiversity. The plant's advanced treatment helps protect downstream water quality and the ecological health of the Loire River and its tributaries.
Environmental context
The plant discharges into the Loire River basin, which flows through central France before reaching the Atlantic Ocean. The Loire is known for its rich biodiversity, including migratory fish species such as Atlantic salmon and European eel. The advanced treatment at Cléry-Saint-André reduces nutrient loads and pollutants, helping to maintain the ecological balance of this important river system.
Frequently asked questions
The plant is located at Rue du Four à Chaux, La Salle, Clos Saint-Pierre, Cléry-Saint-André, in the Loiret department of the Centre-Val de Loire region, France.
The plant serves approximately 3,614 residents, classifying it as a small agglomeration under French and EU regulations.
The plant uses advanced treatment processes, which provide a higher level of purification than secondary treatment, including nutrient removal to protect the receiving water body.
The treated effluent flows into the Loire River basin, which is a major river in France supporting diverse aquatic life and ecosystems.
As a French plant serving fewer than 10,000 people, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment as a minimum. The plant exceeds this with advanced treatment.
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