Runkel _ Steeden Wastewater Treatment Plant, Steeden, Hessen, Germany

The Runkel _ Steeden wastewater treatment plant is located in Steeden, a district of Runkel in the Landkreis Limburg-Weilburg, Hessen, Germany. The facility serves a population of approximately 9,520 people, classifying it as a small to medium agglomeration under EU regulations. As a German plant, it operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment for agglomerations of this size. The directive also requires appropriate treatment before discharge into freshwater bodies to protect water quality. The plant's treated effluent is discharged into the local watershed, which ultimately drains into the Lahn River, a tributary of the Rhine. The Rhine basin is ecologically significant, supporting diverse aquatic life and serving as a major migratory corridor for fish species.

The plant discharges into the local water system that flows into the Lahn River, a tributary of the Rhine River. The Rhine basin is a major European watershed that supports diverse aquatic ecosystems and is an important migratory route for fish. The region's water quality is regulated under the EU Water Framework Directive, aiming to achieve good ecological status.