Overview
Welser Heide wastewater treatment plant serves Marchtrenk, Austria, treating wastewater for approximately 132,709 people. The plant operates under EU regulations for large agglomerations.
Welser Heide is a wastewater treatment plant located in Marchtrenk, Oberösterreich, Austria, serving a population of around 132,709. It is situated near the Traun River and plays a key role in managing municipal wastewater for the region. As a large agglomeration under the EU Urban Waste Water Treatment Directive (91/271/EEC), the plant is expected to provide at least secondary treatment, with tertiary treatment required if the receiving waters are sensitive. It operates within Austria's stringent national water quality standards. The treated effluent is discharged into the Traun River, which flows into the Danube River, ultimately reaching the Black Sea. This waterway supports diverse aquatic life and is an important ecological corridor in Central Europe.
Environmental context
The plant discharges into the Traun River, a tributary of the Danube, which flows into the Black Sea. The Danube basin is a vital ecological corridor supporting diverse fish species and migratory birds. The region's water quality is protected under the EU Water Framework Directive, requiring advanced treatment to minimize nutrient pollution and safeguard downstream ecosystems.
Frequently asked questions
Welser Heide is located in Marchtrenk, Oberösterreich, Austria, near the Traun River.
The plant serves approximately 132,709 people, classifying it as a large agglomeration under EU regulations.
Treated wastewater is discharged into the Traun River, which flows into the Danube and ultimately the Black Sea.
As an Austrian plant serving over 100,000 people, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), requiring at least secondary treatment.
For large agglomerations in Austria, secondary treatment is standard, with tertiary treatment often required to protect sensitive water bodies like the Danube basin.
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