Overview
Mettmann Metzkausen wastewater treatment plant serves approximately 4,900 residents in Mettmann, Nordrhein-Westfalen, Germany. The facility operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerat
Mettmann Metzkausen is a wastewater treatment plant located in the Hassel district of Mettmann, in the German state of Nordrhein-Westfalen. Serving a population of around 4,900, the plant is part of the municipal infrastructure for this suburban area within the Rhine-Ruhr metropolitan region. As a German facility, Mettmann Metzkausen operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations with a population equivalent between 2,000 and 10,000. The plant's treatment processes are designed to meet these standards, ensuring compliance with national and European water quality regulations. The treated effluent from the plant is discharged into local watercourses that eventually drain into the Rhine River basin. The Rhine is a major European waterway that flows through Germany and the Netherlands into the North Sea. The plant plays a key role in protecting the water quality of these downstream environments, supporting aquatic life and recreational uses.
Environmental context
The plant discharges into the local drainage network that feeds into the Rhine River basin. The Rhine is a vital waterway for the region, supporting diverse aquatic ecosystems and providing drinking water for millions. Downstream, the river flows through the Netherlands and into the North Sea, making nutrient and pollutant control critical for preventing eutrophication in coastal waters. The plant's treatment helps maintain the ecological health of this transboundary river system.
Frequently asked questions
The plant is located in the Hassel district of Mettmann, in the state of Nordrhein-Westfalen, Germany. Its address is Oben Erdelen, 40822 Mettmann.
The plant serves approximately 4,900 residents in the Mettmann area.
The treated effluent is discharged into local watercourses that flow into the Rhine River basin, eventually reaching the North Sea.
As a German plant, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations of its size (2,000-10,000 population equivalent).
Under the EU directive, plants serving 2,000-10,000 population equivalent are required to have secondary treatment (biological treatment). Many also incorporate nutrient removal to protect sensitive water bodies like the Rhine.
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