ARA GAV Mittlerer Weidenbach 3666 GF Wastewater Treatment Plant, Schönkirchen-Reyersdorf, Austria

ARA GAV Mittlerer Weidenbach 3666 GF is a municipal wastewater treatment plant located in Schönkirchen-Reyersdorf, in the state of Niederösterreich, Austria. The plant serves a population of approximately 6,365 people, placing it in the small-to-medium agglomeration category under Austrian and EU regulations. As an Austrian plant, it operates under the EU Urban Waste Water Treatment Directive 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 EU water quality objectives. The treated effluent is discharged into local watercourses that drain into the Danube River basin, ultimately reaching the Black Sea. The plant plays a key role in protecting the region's water resources and supporting the ecological health of downstream aquatic environments.

The plant discharges into the local drainage network within the Danube River basin, which flows into the Black Sea. The downstream environment supports diverse aquatic life and is an important ecological corridor. The plant's operations help maintain water quality in this sensitive watershed, reducing nutrient and pollutant loads that could impact downstream ecosystems.