Overview
ARA GAV Unteres Zayatal 3520 GF serves Palterndorf-Dobermannsdorf in Niederösterreich, Austria, treating wastewater for approximately 5,500 residents. The plant operates under the EU Urban Waste Water Treatment Directive.
ARA GAV Unteres Zayatal 3520 GF is a municipal wastewater treatment plant located in Palterndorf-Dobermannsdorf, a town in the Bezirk Gänserndorf district of Niederösterreich, Austria. The plant serves a population of approximately 5,500 people, placing it in the small-to-medium agglomeration category under EU classification. As an Austrian 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 stringent treatment if the receiving waters are designated as sensitive areas. Regulatory compliance ensures appropriate treatment standards are met. The treated effluent is discharged into local watercourses that ultimately drain into the Danube River basin, which flows into the Black Sea. The plant plays a key role in protecting the region's water quality, supporting aquatic ecosystems in the Zaya River system and downstream environments.
Environmental context
The plant discharges into the Zaya River, a tributary of the Morava River, which flows into the Danube River. The Danube ultimately reaches the Black Sea, making this plant part of a large international watershed. The region supports diverse aquatic life, including fish species such as the Danube salmon and various migratory birds. Protecting water quality in this basin is critical for maintaining ecological balance and supporting downstream communities.
Frequently asked questions
The plant is located in Palterndorf-Dobermannsdorf, in the Bezirk Gänserndorf district of Niederösterreich, Austria.
The plant serves approximately 5,500 residents, classifying it as a small-to-medium agglomeration under EU standards.
Treated effluent is discharged into local watercourses that flow into the Zaya River, a tributary of the Morava River, which eventually reaches the Danube River and the Black Sea.
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 Urban Waste Water Treatment Directive, plants serving 2,000 to 10,000 population equivalents are required to have secondary treatment. Austrian plants typically employ biological treatment processes such as activated sludge to meet these standards.
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