SKA Waldshut Tiengen Waldshut Wastewater Treatment Plant, Waldshut, Switzerland

SKA Waldshut Tiengen Waldshut is a municipal wastewater treatment plant located in Waldshut, Baden-Württemberg, Switzerland. The plant serves a population of approximately 17,150 people, classifying it as a medium-sized agglomeration under EU regulations. As a Swiss plant, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment for agglomerations of this size. The regulatory framework ensures compliance with effluent standards to protect water quality. The treated effluent is discharged into the local watershed, which ultimately drains into the Rhine River basin. The Rhine is a major European waterway supporting diverse aquatic life and providing drinking water for millions. The plant plays a key role in maintaining the ecological health of this important river system.

The plant discharges into the Rhine River basin, a major European watershed that flows through multiple countries before reaching the North Sea. The Rhine supports diverse aquatic ecosystems, including fish species such as salmon and eel, and is a critical water resource for agriculture and industry. Protecting water quality in this basin is essential for downstream communities and biodiversity.