Overview
Hennef Greuelsiefen is an advanced wastewater treatment plant in Hennef (Sieg), Nordrhein-Westfalen, Germany. It serves a population of 2,437 and discharges treated water into the local Sieg river system.
Hennef Greuelsiefen is a municipal wastewater treatment plant located in Hennef (Sieg), within the Rhein-Sieg-Kreis district of Nordrhein-Westfalen, Germany. The plant serves a population of approximately 2,437 residents, classifying it as a small agglomeration under the EU Urban Waste Water Treatment Directive (UWWTD). The plant employs advanced treatment processes, which go beyond the secondary treatment standard required by the EU UWWTD for agglomerations of this size. With a designed capacity of 2,600 cubic meters per day and a current discharge volume of 578.28 cubic meters per day, the facility operates well within its capacity. As a German plant, it is subject to the national Wasserhaushaltsgesetz (Water Resources Act) and the Abwasserverordnung (Wastewater Ordinance), which set stringent effluent limits. The treated wastewater is discharged into the Sieg River, a tributary of the Rhine. The Sieg flows through the Bergisches Land region and joins the Rhine near Bonn. The Rhine is one of Europe's major waterways, supporting diverse aquatic life and serving as a critical corridor for migratory fish. The plant's advanced treatment helps protect the Sieg and Rhine ecosystems from nutrient pollution and other contaminants.
Environmental context
The plant discharges into the Sieg River, which flows into the Rhine River near Bonn. The Rhine is a major European waterway that ultimately drains into the North Sea. The Sieg River supports a variety of fish species, including salmonids, and is part of an important ecological network. Advanced treatment at the plant reduces nutrient loads, helping to prevent eutrophication in downstream waters.
Frequently asked questions
Hennef Greuelsiefen is located in Hennef (Sieg), in the Rhein-Sieg-Kreis district of Nordrhein-Westfalen, Germany.
The plant serves a population of 2,437, classifying it as a small agglomeration under the EU Urban Waste Water Treatment Directive.
The treated wastewater is discharged into the Sieg River, a tributary of the Rhine, which flows into the North Sea.
The plant provides advanced treatment, which exceeds the secondary treatment standard required by the EU UWWTD for small agglomerations.
The plant operates under the German Wasserhaushaltsgesetz and Abwasserverordnung, which implement the EU UWWTD and set strict effluent limits for nutrients and other pollutants.
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