ARA AV Mittleres Schwarzatal, Ternitz

Overview

ARA AV Mittleres Schwarzatal 4750 NK serves Ternitz, Niederösterreich, Austria, treating wastewater for approximately 34,528 people. The plant operates under the EU Urban Waste Water Treatment Directive.

ARA AV Mittleres Schwarzatal 4750 NK is a municipal wastewater treatment plant located in Ternitz, in the state of Niederösterreich, Austria. The plant serves a population of approximately 34,528, placing it in the 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. Compliance with EU standards ensures a baseline level of treatment. 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 supporting diverse aquatic life and providing water for agriculture, industry, and recreation. The plant plays a key role in protecting the water quality of this important river system.

Environmental context

The plant discharges into the Schwarzatal stream, a tributary of the Schwarza River, which flows into the Leitha River and eventually the Danube. The Danube River basin is ecologically significant, supporting diverse fish species and serving as a migratory corridor for birds. The plant's operations help maintain water quality in this sensitive watershed.

Frequently asked questions

The plant is located at Wehrweg 1, in the Dunkelstein district of Ternitz, Bezirk Neunkirchen, Niederösterreich, Austria.

The plant serves approximately 34,528 people, classifying it as a medium-sized agglomeration under EU standards.

The treated effluent is discharged into the Schwarzatal stream, which flows into the Schwarza River and eventually the Danube River basin.

As an Austrian plant serving over 10,000 people, it falls under the EU UWWTD, which requires secondary treatment as a minimum. If the receiving waters are sensitive, tertiary treatment may be required.

In Austria, plants of this scale typically provide at least secondary biological treatment, often with nutrient removal to meet EU standards for sensitive areas.