SKA Dörren Wastewater Treatment Plant, Kißlegg, Baden-Württemberg

SKA Dörren is an advanced wastewater treatment plant located in the Dürren district of Kißlegg, in the Landkreis Ravensburg, Baden-Württemberg, Germany. The plant serves a population of approximately 5,250 and is part of the region's municipal wastewater infrastructure. The plant employs advanced treatment processes, which go beyond secondary treatment to remove nutrients and other pollutants. With a designed capacity of 8,350 cubic meters per day and a current discharge volume of 917.52 cubic meters per day, the facility operates well within its capacity. As a German plant, it complies with the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates appropriate treatment levels for agglomerations of this size. The treated effluent is discharged into local water bodies that drain into the Rhine basin, ultimately reaching the North Sea. The plant plays a key role in protecting the region's water quality, supporting aquatic ecosystems, and safeguarding downstream environments.

SKA Dörren discharges treated wastewater into local streams that flow into the Rhine River basin, which drains into the North Sea. The region's watershed supports diverse aquatic life and is an important ecological corridor. Advanced treatment helps minimize nutrient loading, protecting downstream water quality and habitats.