Overview
Wimmenau wastewater treatment plant in Ingwiller, Grand Est, France, serves 2,300 people with advanced treatment. It discharges 410.32 m³/day and has a designed capacity of 5,250 m³/day.
The Wimmenau wastewater treatment plant is located in Ingwiller, within the Grand Est region of France. It serves a population of approximately 2,300 people, placing it in the small agglomeration category under French and EU regulations. The plant is situated in the rural Bas-Rhin department, near the Vosges Mountains. The facility 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. The plant has a designed capacity of 5,250 m³/day and currently discharges 410.32 m³/day of treated wastewater, indicating significant reserve capacity. As a French plant, it operates under national regulations transposing the EU directive, with permits issued by the local water agency (Agence de l'Eau). The treated effluent is discharged into a local watercourse that eventually drains into the Rhine River basin. The Rhine is a major European river flowing through Germany and the Netherlands into the North Sea. The advanced treatment helps protect the sensitive aquatic ecosystems of the Rhine basin, which support diverse fish populations and migratory bird species.
Environmental context
The plant discharges into a tributary of the Moder River, which flows into the Rhine River. The Rhine is one of Europe's most important waterways, draining into the North Sea. The downstream environment includes ecologically sensitive floodplain forests and wetlands that support diverse aquatic life, including salmonids and migratory birds. Advanced treatment at this plant helps reduce nutrient loading and protect water quality in the Rhine basin.
Frequently asked questions
The Wimmenau plant is located on Route de Wimmenau in Ingwiller, in the Bas-Rhin department of the Grand Est region, France.
The plant serves approximately 2,300 people, classifying it as a small agglomeration under EU regulations.
The treated effluent is discharged into a local watercourse that flows into the Moder River, a tributary of the Rhine River, eventually reaching the North Sea.
The plant provides advanced treatment, which exceeds the secondary treatment standard required by the EU Urban Waste Water Treatment Directive for agglomerations of this size.
As a French plant, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), transposed into French law, with permits issued by the local water agency (Agence de l'Eau).
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