Hebertshausen Wastewater Treatment Plant, Ampermoching, Bavaria

The Hebertshausen wastewater treatment plant is located in Ampermoching, a district of Hebertshausen in Bavaria, Germany. It serves a population of approximately 5,491 people, classifying it as a small to medium agglomeration under EU regulations. The plant is part of the municipal wastewater infrastructure for the Dachau district. Under the EU Urban Waste Water Treatment Directive (91/271/EEC), plants serving between 2,000 and 10,000 population equivalents are required to provide secondary treatment. Germany's national regulations, which implement this directive, typically mandate biological treatment with nutrient removal for plants in sensitive areas. The plant's treatment process is designed to meet these standards, ensuring compliance with German water quality requirements. The treated effluent from the Hebertshausen plant is discharged into local water bodies that ultimately drain into the Amper River, a tributary of the Isar River, which flows into the Danube River and eventually reaches the Black Sea. The plant plays a key role in protecting the water quality of the Amper and downstream ecosystems, supporting aquatic life and recreational uses.

The Hebertshausen plant discharges into the Amper River, which flows into the Isar River, a major tributary of the Danube. The Danube carries water through several countries to the Black Sea. The Amper and Isar rivers support diverse aquatic habitats, including fish populations and riparian ecosystems. The plant's treatment helps maintain water quality in this ecologically sensitive river system, which is important for both biodiversity and regional water resources.