Eisenbachtal GKA Wastewater Treatment Plant, Kleinholbach, Rhineland-Palatinate

Eisenbachtal GKA is a wastewater treatment plant located in Kleinholbach, a locality in the Westerwaldkreis district of Rhineland-Palatinate, Germany. The plant serves a population of about 3,110, classifying it as a small agglomeration under the EU Urban Waste Water Treatment Directive (UWWTD). As a German facility serving fewer than 10,000 people, Eisenbachtal GKA is subject to the EU UWWTD, which requires appropriate treatment based on the sensitivity of the receiving waters. For small agglomerations, secondary treatment is typically mandated unless the discharge is into less sensitive areas. It must comply with German water quality standards. The treated effluent from Eisenbachtal GKA likely discharges into a local watercourse within the Rhine basin, as the region drains into the Rhine River via tributaries like the Lahn. The Rhine is a major European waterway supporting diverse aquatic life and providing drinking water for millions. The plant's operation helps protect downstream ecosystems and water quality.

The plant discharges into a local stream that flows into the Lahn River, a tributary of the Rhine. The Rhine basin is ecologically significant, supporting migratory fish species and providing habitat for diverse flora and fauna. The region's water quality is managed under the EU Water Framework Directive, aiming for good ecological status.