Overview
Menchhoffen wastewater treatment plant serves 17,000 people in Grand Est, France. It operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of this scale.
The Menchhoffen wastewater treatment plant is located in the commune of Menchhoffen, within the Bas-Rhin department of the Grand Est region in northeastern France. The facility serves a population of approximately 17,000 people, classifying it as a medium-sized agglomeration under European Union regulations. As a plant operating in France, it falls under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations with a population equivalent between 10,000 and 150,000. The directive also mandates more stringent treatment if the receiving waters are designated as sensitive areas, such as those prone to eutrophication. The treated effluent is discharged into local watercourses that ultimately drain into the Rhine River basin. The Rhine is a major European waterway that flows through Germany and the Netherlands before reaching the North Sea. The plant plays a key role in protecting the water quality of the local streams and the downstream Rhine ecosystem.
Environmental context
The plant discharges into the local watershed of the Moder River, a tributary of the Rhine. The Rhine basin is ecologically significant, supporting diverse aquatic life and serving as a major migratory corridor for fish species. Downstream, the Rhine flows through the Rhine Delta and into the North Sea, a sensitive marine environment. The plant's treatment performance is critical for preventing nutrient pollution that could contribute to eutrophication in both freshwater and coastal zones.
Frequently asked questions
The Menchhoffen wastewater treatment plant is located in the commune of Menchhoffen, in the Bas-Rhin department of the Grand Est region, northeastern France.
The plant serves approximately 17,000 people, classifying it as a medium-sized agglomeration under EU regulations.
The treated effluent is discharged into local watercourses that are part of the Moder River watershed, which flows into the Rhine River and eventually reaches the North Sea.
As a French plant, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations of this size and may require tertiary treatment if the receiving waters are sensitive.
Under the EU UWWTD, plants serving between 10,000 and 150,000 population equivalent are required to have at least secondary treatment. In sensitive areas, additional nutrient removal may be mandated.
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