ZKA Klingenthal Wastewater Treatment Plant, Kraslice, Czech Republic

ZKA Klingenthal is a wastewater treatment plant located in Kraslice, a town in the Karlovy Vary Region of the Czech Republic. The plant serves a population of approximately 5,085 people, placing it in the small to medium agglomeration category under Czech and EU regulations. As a plant of this scale in the Czech Republic, it is subject to the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for discharges into freshwater. The regulatory framework ensures compliance with national standards. The plant discharges treated wastewater into local watercourses that drain into the Svatava River, a tributary of the Ohře River, which ultimately flows into the Elbe River and the North Sea. The plant plays a key role in protecting the water quality of these rivers and the downstream aquatic ecosystem.

The treated effluent from ZKA Klingenthal enters local streams that feed into the Svatava River, a tributary of the Ohře River. The Ohře flows into the Elbe River, which drains into the North Sea. This watershed supports diverse aquatic life and is an important ecological corridor in the region. The plant's operation helps maintain water quality standards for downstream communities and habitats.