Zossen Tandem KA Wastewater Treatment Plant, Zossen, Brandenburg, Germany

Zossen Tandem KA is a municipal wastewater treatment plant located in Zossen, a town in the Teltow-Fläming district of Brandenburg, Germany. The plant serves a population of approximately 33,000, placing it in the medium agglomeration category under EU classification. As a German facility, the plant is subject to the EU Urban Waste Water Treatment Directive 91/271/EEC, which requires secondary treatment for agglomerations of this size. The directive also mandates more advanced treatment if the receiving waters are designated as sensitive areas. The plant's treatment processes and capacity are managed to comply with national and EU standards. The treated effluent is discharged into local water bodies that ultimately drain into the Elbe River basin and then into the North Sea. The plant plays a key role in protecting the region's water quality, supporting aquatic ecosystems, and maintaining the ecological balance of the surrounding watershed.

The plant discharges into local streams that flow into the Dahme River, a tributary of the Spree River, which eventually joins the Havel and Elbe rivers before reaching the North Sea. This watershed supports diverse aquatic life and is an important ecological corridor in Brandenburg. The region's water bodies are subject to the EU Water Framework Directive, which aims to achieve good ecological status.