Overview
Jena wastewater treatment plant serves approximately 182,705 people in Thüringen, Germany. It operates under the EU Urban Waste Water Treatment Directive, which mandates advanced treatment for large agglomerations in sensitive areas.
The Jena wastewater treatment plant is a major municipal facility located in the city of Jena, Thüringen, Germany. Serving a population of around 182,705, it is classified as a large agglomeration under EU regulations, requiring advanced treatment to protect the sensitive receiving waters. As a large-scale plant, Jena is subject to the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment as a minimum and tertiary treatment for discharges into sensitive areas. The plant's treatment processes are designed to meet these stringent standards, ensuring effective removal of organic matter, nutrients, and pathogens before discharge. The treated effluent is discharged into the Saale River, a major tributary of the Elbe River, which flows into the North Sea. The plant plays a crucial role in maintaining water quality in the Saale basin, supporting aquatic ecosystems and downstream communities. Its operation is integral to regional water resource management and environmental protection.
Environmental context
The plant discharges into the Saale River, which flows northward through Thüringen and Saxony-Anhalt before joining the Elbe River near Barby. The Elbe then continues to the North Sea. The Saale basin supports diverse aquatic life, including fish species such as barbel and chub, and is an important corridor for migratory birds. Nutrient loading from wastewater can contribute to eutrophication in the North Sea, making advanced treatment essential.
Frequently asked questions
The plant is located at Brückenstraße in the Zwätzen district of Jena, Thüringen, Germany.
The plant serves approximately 182,705 people, classifying it as a large agglomeration under EU regulations.
The treated effluent is discharged into the Saale River, a major tributary of the Elbe River.
As a large agglomeration serving over 150,000 people, the plant must meet strict standards under the EU UWWTD, including secondary treatment and potentially tertiary treatment if the receiving waters are sensitive.
In Germany, plants of this scale typically employ advanced biological treatment with nutrient removal (nitrogen and phosphorus) to comply with EU directives and protect sensitive water bodies like the Saale River.
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