Overview
ZKA Wolfsgrun is a municipal wastewater treatment plant serving Eibenstock, Saxony, Germany. It treats wastewater from approximately 13,426 people in the Erzgebirge region.
ZKA Wolfsgrun is a municipal wastewater treatment plant located in the Wolfsgrun district of Eibenstock, in the Erzgebirgskreis district of Saxony, Germany. The plant serves a population of approximately 13,426 people, placing it in the medium agglomeration category under German and EU regulations. As a German plant of this scale, ZKA Wolfsgrun operates under the EU Urban Waste Water Treatment Directive 91/271/EEC, which requires secondary treatment for agglomerations of this size. The plant's treatment processes are designed to meet national standards set by the German Water Resources Act (WHG) and relevant state regulations in Saxony. The treated effluent from ZKA Wolfsgrun is discharged into local watercourses that eventually drain into the Zwickauer Mulde river, a tributary of the Mulde river system, which flows into the Elbe River and ultimately into the North Sea. The plant plays a key role in protecting the water quality of these downstream rivers and the sensitive ecosystems they support.
Environmental context
The plant's discharge enters the local watershed of the Zwickauer Mulde river, which flows through the Erzgebirge region. This river system is part of the larger Elbe basin, draining into the North Sea. The downstream environment supports diverse aquatic life and is important for regional water quality, particularly in the context of the Elbe's ecological restoration efforts.
Frequently asked questions
ZKA Wolfsgrun is located in the Wolfsgrun district of Eibenstock, in the Erzgebirgskreis district of Saxony, Germany.
The plant serves approximately 13,426 people, classifying it as a medium-sized agglomeration under EU regulations.
The treated effluent is discharged into local watercourses that flow into the Zwickauer Mulde river, part of the Elbe river system, which drains into the North Sea.
Under the EU UWWTD (91/271/EEC), plants serving agglomerations of this scale (10,000-150,000 PE) are required to provide secondary treatment. ZKA Wolfsgrun complies with these standards as part of Germany's implementation of the directive.
In Germany, plants of this size typically employ secondary biological treatment, often with nutrient removal to meet stringent national standards under the Water Resources Act (WHG) and EU requirements.
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