Overview
Mont de Marsan Jouanas is a municipal wastewater treatment plant serving Mont-de-Marsan, Nouvelle-Aquitaine, France. It serves a population of 27,300 and operates under the EU Urban Waste Water Treatment Directive.
Mont de Marsan Jouanas is a municipal wastewater treatment plant located in Mont-de-Marsan, in the Landes department of Nouvelle-Aquitaine, France. The plant serves a population of 27,300, classifying it as a medium agglomeration under EU regulations. As a French facility, the plant operates under the EU Urban Waste Water Treatment Directive 91/271/EEC, which requires secondary treatment for agglomerations of this size. The directive also mandates more stringent treatment if the receiving waters are designated as sensitive areas. Compliance with national and EU standards is expected. The treated effluent is discharged into the Midouze River, a tributary of the Adour, which flows into the Bay of Biscay. The Adour basin supports diverse aquatic life and is important for migratory fish species. The plant plays a key role in protecting water quality in this regional watershed.
Environmental context
The plant discharges into the Midouze River, which joins the Adour River before reaching the Bay of Biscay. The Adour basin is ecologically significant, supporting diverse aquatic species and serving as a migratory corridor for fish. The region's wetlands and coastal areas are sensitive to nutrient pollution, making effective wastewater treatment crucial for maintaining water quality and ecosystem health.
Frequently asked questions
The plant is located at Chemin de Halage, Mont-de-Marsan, in the Landes department of Nouvelle-Aquitaine, France.
The plant serves a population of 27,300, classifying it as a medium agglomeration under EU regulations.
Treated effluent from the plant is discharged into the Midouze River, a tributary of the Adour River, which flows into the Bay of Biscay.
The plant operates under the EU Urban Waste Water Treatment Directive 91/271/EEC, which requires secondary treatment for agglomerations of this size and may require additional treatment if the receiving waters are sensitive.
Under the EU Urban Waste Water Treatment Directive, plants serving between 10,000 and 150,000 people typically require secondary treatment. In sensitive areas, tertiary treatment may be mandated to reduce nutrients.
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