Buttenwiesen Wastewater Treatment Plant, Lauterbach, Bavaria, Germany

The Buttenwiesen wastewater treatment plant is located in Lauterbach, a district of Buttenwiesen in the Bavarian region of Germany. Serving a population of around 6,317, the plant is part of the municipal infrastructure managed under German water regulations. The facility is situated inland, away from coastal areas, and its operations are subject to national and European standards. Under the EU Urban Waste Water Treatment Directive (91/271/EEC), plants serving agglomerations between 2,000 and 10,000 population equivalent are required to provide appropriate treatment, typically secondary treatment, to meet quality standards. Germany's implementation ensures compliance with these requirements, and the plant is expected to follow the directive's guidelines for discharge quality. The treated effluent from the plant is discharged into local watercourses that eventually drain into the Danube River basin, contributing to the broader hydrological network of Bavaria. The region's aquatic ecosystems benefit from regulated wastewater treatment, which helps maintain water quality in streams and rivers that support diverse freshwater life.

The plant's discharge enters local tributaries that flow into the Danube River system, ultimately reaching the Black Sea. This watershed supports diverse aquatic habitats, including fish spawning grounds and riparian zones. The treatment plant plays a role in protecting downstream water quality, particularly in ecologically sensitive areas along the Danube corridor.