Overview
Bournezeau route de Mareuil is an advanced wastewater treatment plant in Bournezeau, Pays de la Loire, France, serving a population of 3,167. It discharges 564.99 m³/day of treated effluent.
Bournezeau route de Mareuil is a wastewater treatment plant located in the commune of Bournezeau, within the Vendée department of the Pays de la Loire region in western France. The facility serves a population of approximately 3,167 residents, classifying it as a small agglomeration under European Union classifications. 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. Its designed capacity is 3,000 m³/day, with a current discharge volume of 564.99 m³/day, indicating operational headroom. As a French facility, it operates under national regulations transposing the EU directive, overseen by the local water agency (Agence de l'Eau Loire-Bretagne). The treated effluent is discharged into the local watershed, which ultimately drains into the Atlantic Ocean via the Vendée River and the Bay of Biscay. The plant plays a key role in protecting the region's water quality, supporting both agricultural activities and the ecological health of downstream aquatic habitats.
Environmental context
The plant discharges into the local catchment of the Vendée River, which flows into the Bay of Biscay on the Atlantic coast. This region supports diverse aquatic life, including migratory fish species such as Atlantic salmon and European eel. The advanced treatment level helps minimize nutrient loading and protects the sensitive coastal waters from eutrophication.
Frequently asked questions
The plant is located at D 948, Le Chêne-Bertin, Bournezeau, in the Vendée department of the Pays de la Loire region, France.
The plant serves a population of 3,167 residents, classifying it as a small agglomeration under EU definitions.
The plant uses advanced treatment processes, which provide a higher level of purification than standard secondary treatment, reducing nutrients and pollutants before discharge.
The plant discharges into the local watershed of the Vendée River, which flows into the Bay of Biscay, helping to protect downstream water quality and marine 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 appropriate treatment for small agglomerations. The advanced treatment level exceeds the directive's minimum requirements.
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