KA Volksdorf Wastewater Treatment Plant, Meerbeck bei Stadthagen, Niedersachsen

KA Volksdorf is a municipal wastewater treatment plant located in the Volksdorf district of Meerbeck bei Stadthagen, in the state of Niedersachsen, Germany. The plant serves a population of approximately 23,242 people, placing it in the medium agglomeration category under German and EU regulations. It is situated inland, away from coastal areas, and its operations are integrated into the regional water management infrastructure. As a German treatment plant serving over 10,000 population equivalents, KA Volksdorf is subject to the EU Urban Waste Water Treatment Directive (91/271/EEC) and the German Abwasserverordnung (Wastewater Ordinance). These regulations mandate secondary treatment as a minimum, with tertiary treatment required if the receiving water body is in a sensitive area. It is expected to meet the stringent effluent standards set by national and EU law. The treated effluent from KA Volksdorf is discharged into local watercourses that drain into the Weser river basin. The Weser flows northward through Niedersachsen and into the North Sea. The plant plays a key role in protecting the region's surface waters from nutrient pollution and organic loads, supporting aquatic life and downstream water quality in the Weser estuary.

KA Volksdorf discharges into small streams that feed into the Weser river, which flows through Niedersachsen and into the North Sea. The Weser basin supports diverse aquatic ecosystems, including fish species such as salmon and sea trout, and is an important migratory corridor. The plant's treatment helps reduce nutrient loads that could otherwise contribute to eutrophication in the North Sea coastal zone.