Overview
SKA Mergelstetten Heidenheim is a wastewater treatment plant in Heidenheim an der Brenz, Baden-Württemberg, Germany, serving approximately 71,700 people. It operates under the EU Urban Waste Water Treatment Directive.
SKA Mergelstetten Heidenheim is a municipal wastewater treatment plant located in the Mergelstetten district of Heidenheim an der Brenz, in the state of Baden-Württemberg, Germany. The plant serves a population of around 71,700, classifying it as a medium-to-large agglomeration under EU regulations. As a German facility, the plant is subject to the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations of this size. The plant likely employs biological treatment processes to meet the stringent effluent standards set by German water law, which implements the directive. The plant's discharge is regulated by the local water authority, ensuring compliance with limits on organic matter, nutrients, and suspended solids. The treated effluent from SKA Mergelstetten Heidenheim is discharged into the Brenz River, a tributary of the Danube. The Brenz flows through the Swabian Alb region before joining the Danube, which ultimately drains into the Black Sea. The plant plays a key role in protecting the water quality of the Brenz and the downstream Danube ecosystem, supporting aquatic life and recreational uses.
Environmental context
The plant discharges into the Brenz River, a tributary of the Danube River system. The Brenz flows through the karst landscape of the Swabian Alb, a region with sensitive groundwater resources. The Danube eventually reaches the Black Sea, making the plant part of a transboundary basin. The treatment helps reduce nutrient loads that could contribute to eutrophication in downstream waters, including the Black Sea.
Frequently asked questions
The plant is located in the Mergelstetten district of Heidenheim an der Brenz, in the state of Baden-Württemberg, Germany.
The plant serves approximately 71,700 people, classifying it as a medium-to-large agglomeration under EU regulations.
The treated effluent is discharged into the Brenz River, which flows into the Danube and eventually reaches the Black Sea.
The plant operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment for agglomerations over 15,000 population equivalent. German water law implements this directive with strict effluent standards.
Plants of this scale in Germany typically employ secondary biological treatment, often with nutrient removal (nitrogen and phosphorus) to meet EU and national standards for sensitive areas like the Danube basin.
Nearby plants