Overview
ARA GAV Gmoosbach 1426 HL is a wastewater treatment plant in Grabern, Niederösterreich, Austria, serving approximately 9,117 people. It operates under the EU Urban Waste Water Treatment Directive.
ARA GAV Gmoosbach 1426 HL is a wastewater treatment plant located in Grabern, a municipality in the Hollabrunn district of Niederösterreich, Austria. The plant serves a population of around 9,117 people, placing it in the small-to-medium agglomeration category under EU classification. 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 directive also mandates more advanced treatment if the receiving waters are designated as sensitive areas. Austria has implemented this directive through national legislation, ensuring compliance with European standards. The plant discharges treated wastewater into local watercourses that eventually drain into the Danube River basin. The Danube is a major European river flowing into the Black Sea, supporting diverse aquatic ecosystems and providing water for agriculture and industry. The plant's operations help protect downstream water quality in this important international basin.
Environmental context
The plant's treated effluent flows into small streams in the Gmoosbach area, which are part of the larger Danube River basin. The Danube ultimately discharges into the Black Sea, supporting a wide range of aquatic life and serving as a critical migratory corridor for fish species. The region's agricultural landscape means that nutrient removal is important to prevent eutrophication in downstream waters.
Frequently asked questions
The plant is located in Grabern, a municipality in the Bezirk Hollabrunn district of Niederösterreich, Austria.
The plant serves approximately 9,117 people, classifying it as a small-to-medium agglomeration under EU standards.
The plant discharges treated effluent into local watercourses within the Gmoosbach area, which eventually flow into the Danube River basin.
As an Austrian plant, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment for agglomerations of this size and may require tertiary treatment if the receiving waters are sensitive.
Under the EU UWWTD, plants serving between 2,000 and 10,000 population equivalents are generally required to have secondary treatment. In Austria, many such plants also incorporate nutrient removal to protect the Danube River basin.
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