ARA Baden 197 BN Wastewater Treatment Plant, Traiskirchen, Niederösterreich

ARA Baden 197 BN is a municipal wastewater treatment plant located in Traiskirchen, in the Bezirk Baden district of Niederösterreich, Austria. The plant serves a population of around 27,662, placing it in the medium agglomeration category under the EU Urban Waste Water Treatment Directive (UWWTD). As an Austrian plant, ARA Baden 197 BN is subject to the EU UWWTD (91/271/EEC), which requires secondary treatment for agglomerations of this size. The plant's treatment process and capacity are designed to meet these standards, ensuring compliance with national and European regulations. The plant is part of the regional wastewater infrastructure managed by local authorities. The treated effluent is discharged into the local water system, which ultimately drains into the Danube River basin. The Danube is a major European waterway that flows into the Black Sea, supporting diverse aquatic ecosystems along its course. The plant plays a key role in protecting water quality in this important river system.

The plant discharges into the Danube River basin, a major European watershed that flows through multiple countries before reaching the Black Sea. The Danube supports a rich diversity of aquatic life, including fish species such as sturgeon and salmon, and provides critical habitat for migratory birds. The plant's treatment helps maintain water quality in this ecologically significant river system.