ARA Stronsdorf 2270 MI - Advanced Wastewater Treatment Plant in Stronsdorf, Austria

ARA Stronsdorf 2270 MI is an advanced wastewater treatment plant located in Stronsdorf, a municipality in the Bezirk Mistelbach district of Niederösterreich, Austria. The plant serves a population of approximately 1,055 people and has a designed capacity of 3,000 m³/day, with a reported discharge volume of 424.48 m³/day. As an advanced treatment facility, ARA Stronsdorf goes beyond secondary treatment to remove nutrients such as nitrogen and phosphorus, which is typical for plants operating under the EU Urban Waste Water Treatment Directive (91/271/EEC). This directive requires advanced treatment for agglomerations discharging into sensitive areas, and Austria has designated many water bodies as sensitive under the directive. The plant's treated effluent is discharged into local watercourses that eventually drain into the Danube River basin, which flows into the Black Sea. The surrounding region is agricultural, and the plant plays a key role in protecting downstream water quality and aquatic ecosystems.

The plant discharges into local streams that are part of the Danube River basin. The Danube flows through Central and Eastern Europe before reaching the Black Sea. The region's water bodies support diverse aquatic life, including fish species such as carp and pike, and the plant's advanced treatment helps prevent eutrophication in downstream lakes and coastal areas.