2520072004 KA Hessisch Oldendorf Wastewater Treatment Plant, Niedersachsen

The 2520072004 KA Hessisch Oldendorf wastewater treatment plant is located in Hessisch Oldendorf, a town in the Landkreis Hameln-Pyrmont district of Niedersachsen, Germany. The plant serves a population of approximately 18,500, classifying it as a medium-sized agglomeration under EU regulations. Under the EU Urban Waste Water Treatment Directive (91/271/EEC), agglomerations of this scale are required to provide secondary treatment as a minimum. The plant's treatment processes and capacity are managed to meet these standards, ensuring compliance with German water quality regulations. The plant discharges treated wastewater into the local watershed, which ultimately drains into the Weser River via tributaries. The Weser River flows northward to the North Sea, supporting diverse aquatic ecosystems along its course. The plant plays a key role in protecting downstream water quality and the ecological health of the region.

The plant's treated effluent enters the Weser River basin, which drains into the North Sea. The Weser is an important river for migratory fish species such as salmon and sea trout. The plant's operations help maintain water quality in the river, supporting aquatic life and recreational uses downstream.