Overview
Stubaital wastewater treatment plant serves Mieders, Tirol, Austria, with a population equivalent of 26,363. It operates under the EU Urban Waste Water Treatment Directive, ensuring compliance with secondary treatment standards for inland waters.
The Stubaital wastewater treatment plant is located in Mieders, a municipality in the Bezirk Innsbruck-Land district of Tirol, Austria. Serving a population equivalent of 26,363, the plant is a key component of the region's sanitation infrastructure, managing wastewater from the Stubai Valley area. As an Austrian facility, the plant operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment for agglomerations of this size (10,000-150,000 PE) discharging into inland waters. Austria's implementation of the directive ensures that treatment processes meet stringent standards to protect water quality in the sensitive Alpine environment. The treated effluent is discharged into the Ruetz River, a tributary of the Sill, which flows into the Inn River and ultimately the Danube River basin. The plant's location in the Alpine region means it plays a crucial role in preserving the ecological integrity of these cold-water streams, which support diverse aquatic life including brown trout and other sensitive species.
Environmental context
The Stubaital plant discharges into the Ruetz River, a glacial-fed stream in the Stubai Valley. The Ruetz flows into the Sill River, which joins the Inn River near Innsbruck. The Inn is a major tributary of the Danube, ultimately reaching the Black Sea. The receiving waters are ecologically sensitive Alpine streams that support cold-water fish populations and are important for regional biodiversity. The plant's treatment standards help maintain water quality in this high-value watershed.
Frequently asked questions
The Stubaital wastewater treatment plant is located in Mieders, a municipality in the Bezirk Innsbruck-Land district of Tirol, Austria. It serves the Stubai Valley region.
The Stubaital WWTP serves a population equivalent of 26,363, classifying it as a medium-sized agglomeration under the EU Urban Waste Water Treatment Directive.
The treated wastewater from the Stubaital plant is discharged into the Ruetz River, a tributary of the Sill River, which flows into the Inn River and eventually the Danube River basin.
As an Austrian facility, the Stubaital WWTP operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations of this size discharging into inland waters.
For agglomerations between 10,000 and 150,000 population equivalent, the EU Urban Waste Water Treatment Directive mandates secondary treatment. In Austria, this is typically achieved through biological treatment processes such as activated sludge, ensuring compliance with strict effluent standards for sensitive Alpine receiving waters.
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