SKA Kunzelsau Wastewater Treatment Plant, Künzelsau, Baden-Württemberg

SKA Kunzelsau is a municipal wastewater treatment plant located in Künzelsau, Baden-Württemberg, Germany. The plant serves the local community within the Hohenlohe district, with a population equivalent of around 21,050. As part of Germany's wastewater infrastructure, it plays a key role in protecting regional water quality. The plant operates under the European Union's Urban Waste Water Treatment Directive (91/271/EEC), which sets standards for collection and treatment. For agglomerations of this size (10,000-100,000 population equivalent), the directive requires secondary treatment as a minimum, with tertiary treatment in sensitive areas. Germany implements these standards through national legislation, ensuring compliance with discharge limits. The treated effluent from SKA Kunzelsau is discharged into the local water system, which ultimately drains into the Kocher River, a tributary of the Neckar River, and then into the Rhine River. This water body chain supports diverse aquatic life and is part of the larger Rhine basin, an ecologically significant region in Europe.

The plant's discharge enters the Kocher River, which flows into the Neckar and then the Rhine, eventually reaching the North Sea. This watershed supports diverse aquatic ecosystems, including fish species such as trout and grayling. The Rhine basin is a major European waterway, and maintaining water quality is critical for both ecological health and downstream uses like drinking water and recreation.