KA Soltau Wastewater Treatment Plant, Soltau, Niedersachsen

KA Soltau (plant ID 3580212005) is a wastewater treatment facility located in Soltau, in the Heidekreis district of Niedersachsen, Germany. The plant serves a population of approximately 24,800, classifying it as a medium-sized agglomeration under EU regulations. As a German plant, KA Soltau operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for all agglomerations above 2,000 population equivalent. For populations between 10,000 and 150,000, the directive also mandates more stringent treatment if the receiving waters are sensitive to eutrophication or nitrate pollution. The plant discharges treated wastewater into local watercourses that ultimately drain into the North Sea via the Weser river system. The surrounding region is characterized by heathland and mixed forests, with the Böhme river flowing through Soltau. Proper treatment helps protect downstream aquatic ecosystems and supports water quality in the Weser basin.

KA Soltau discharges into local streams that feed into the Böhme river, a tributary of the Aller, which joins the Weser before flowing into the North Sea. The Weser estuary supports diverse aquatic life and is an important migratory corridor for fish species. The region's sandy soils and heathland ecosystems are sensitive to nutrient enrichment, making effective wastewater treatment critical for maintaining ecological balance.