SKA StLeon Rot Wastewater Treatment Plant, St. Leon-Rot, Germany

SKA StLeon Rot is a municipal wastewater treatment plant located in St. Leon-Rot, within the Rhein-Neckar-Kreis district of Baden-Württemberg, Germany. The plant serves a population of approximately 18,650, placing it in the medium agglomeration category under EU regulations. As a German plant serving a population between 10,000 and 100,000, SKA StLeon Rot is required to meet secondary treatment standards under the EU Urban Waste Water Treatment Directive (91/271/EEC). The directive mandates that such agglomerations provide at least secondary treatment, with more stringent requirements if the receiving waters are designated as sensitive areas. The plant's treated effluent is discharged into local watercourses that ultimately drain into the Rhine River basin. The Rhine is a major European waterway supporting diverse aquatic ecosystems and providing drinking water for millions. Proper treatment at plants like SKA StLeon Rot is essential to protect water quality in this ecologically and economically vital river system.

The plant discharges into the Rhine River basin, which flows through Germany and the Netherlands before reaching the North Sea. The Rhine supports diverse aquatic life, including migratory fish species such as salmon and eel. Maintaining high water quality is critical for the ecological health of the river and its downstream delta, which includes important habitats for birds and aquatic organisms.