KA Steimbke - Advanced Wastewater Treatment Plant in Steimbke, Niedersachsen

KA Steimbke is an advanced wastewater treatment facility located in Steimbke, within the Samtgemeinde Steimbke in Landkreis Nienburg/Weser, Niedersachsen, Germany. The plant serves a population of about 5,758 and is designed to handle a capacity of 8,600 cubic meters per day, with a current discharge volume of 742.97 m³/day. As an advanced treatment plant, KA Steimbke goes beyond secondary treatment to remove nutrients such as nitrogen and phosphorus, which is typical for facilities in sensitive catchment areas under the EU Urban Waste Water Treatment Directive (91/271/EEC). For agglomerations of this size (5,000-10,000 PE), the directive requires secondary treatment, but advanced treatment is mandated in designated sensitive areas to protect water quality. The plant discharges treated effluent into local watercourses that ultimately drain into the Weser River basin. The Weser flows northward through Niedersachsen to the North Sea, supporting diverse aquatic ecosystems and serving as an important corridor for migratory fish. The advanced treatment helps minimize nutrient loading and protects downstream water quality.

The treated effluent from KA Steimbke enters the Weser River basin, which flows through Niedersachsen and discharges into the North Sea. The Weser is a major river supporting diverse aquatic life, including fish species such as salmon and sea trout. Advanced treatment at the plant reduces nutrient inputs, helping to prevent eutrophication in the river and the downstream marine environment.