Dachsen Wastewater Treatment Plant, Dachsen, Zürich, Germany

The Dachsen wastewater treatment plant is located in Dachsen, Bezirk Andelfingen, in the canton of Zürich, Germany. It serves a population of 2,693 and operates with advanced treatment technology, ensuring high-quality effluent standards. As an advanced treatment facility, Dachsen goes beyond secondary treatment to remove nutrients and other pollutants, meeting stringent requirements under the EU Urban Waste Water Treatment Directive (91/271/EEC). The plant has a designed capacity of 3,500 m³/day and currently treats an average daily flow of 681.53 m³/day, indicating ample reserve capacity. The treated effluent is discharged into the local water environment, ultimately contributing to the Rhine River basin. The Rhine is a major European waterway that flows through Germany and the Netherlands into the North Sea. The plant's advanced treatment helps protect downstream aquatic ecosystems and supports water quality in this internationally important river system.

The Dachsen 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 and is a critical migratory corridor for fish species. Advanced treatment at this plant helps reduce nutrient loading and protect downstream water quality in this ecologically sensitive river system.