Overview
Strass wastewater treatment plant serves Reith im Alpbachtal, Tirol, Austria, handling a population equivalent of 138,366. It operates under the EU Urban Waste Water Treatment Directive.
Strass wastewater treatment plant is located in Reith im Alpbachtal, in the Tirol region of Austria. It serves a population equivalent of 138,366, classifying it as a large agglomeration under EU regulations. The plant is situated in the Inn River basin, which ultimately drains into the Danube River and the Black Sea. As a large agglomeration in a sensitive area, the plant is expected to provide tertiary treatment under the EU Urban Waste Water Treatment Directive (91/271/EEC). This directive mandates advanced treatment for nitrogen and phosphorus removal to protect receiving waters from eutrophication. The treated effluent from Strass likely discharges into the Inn River, a major tributary of the Danube. The Inn River supports diverse aquatic life and is an important migratory corridor for fish species. The Danube basin is ecologically significant, hosting numerous protected habitats and species, and the plant's operations contribute to maintaining water quality in this transboundary river system.
Environmental context
The Strass plant discharges into the Inn River, which flows through Tirol and into Germany, joining the Danube River near Passau. The Danube then travels through several countries to the Black Sea. The Inn River supports a variety of fish species, including grayling and brown trout, and is part of a larger ecosystem that includes riparian forests and wetlands. The plant's treatment helps prevent nutrient pollution that could lead to algal blooms and oxygen depletion in downstream waters.
Frequently asked questions
The Strass plant is located in Reith im Alpbachtal, in the Tirol region of Austria, near the village of Sankt Gertraudi.
The plant serves a population equivalent of 138,366, classifying it as a large agglomeration under EU regulations.
The treated effluent from the Strass plant is discharged into the Inn River, which flows into the Danube River and eventually reaches the Black Sea.
The plant operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires tertiary treatment for large agglomerations in sensitive areas to remove nutrients like nitrogen and phosphorus.
For agglomerations over 100,000 population equivalent in sensitive areas, the EU UWWTD mandates tertiary treatment with nutrient removal. Austrian plants typically implement biological treatment with nitrogen and phosphorus removal to meet strict effluent standards.
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