Overview
Calden wastewater treatment plant serves the town of Calden in Hessen, Germany, with a population equivalent of 4,200. The facility operates under the EU Urban Waste Water Treatment Directive, which mandates secondary treatment for agglomerations of
The Calden wastewater treatment plant is located in the town of Calden, within the Landkreis Kassel district of Hessen, Germany. Serving a population of approximately 4,200, the plant is part of the municipal infrastructure that manages wastewater from this small agglomeration. As a German facility, the plant operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations with a population equivalent between 2,000 and 10,000. This regulatory framework ensures that the plant meets European standards for wastewater treatment before discharge. The treated effluent from the plant is discharged into local watercourses that ultimately drain into the Weser River basin. The Weser flows northward through Germany to the North Sea, supporting diverse aquatic life and providing important ecosystem services along its course.
Environmental context
The plant discharges into a tributary of the Weser River, which flows through central Germany to the North Sea. The Weser basin supports a variety of fish species, including salmon and trout, and is an important migratory corridor. The treatment plant's operations help protect water quality in this ecologically sensitive river system.
Frequently asked questions
The Calden wastewater treatment plant is located at B 7, Calden, in the Landkreis Kassel district of Hessen, Germany.
The Calden plant serves a population of approximately 4,200 people in the town of Calden and surrounding areas.
The treated effluent from the Calden plant is discharged into local watercourses that flow into the Weser River basin, ultimately reaching the North Sea.
The Calden plant operates under the EU Urban Waste Water Treatment Directive (91/271/EEC), which requires secondary treatment for agglomerations with a population equivalent between 2,000 and 10,000.
Under the EU Urban Waste Water Treatment Directive, plants serving populations between 2,000 and 10,000 are required to provide secondary treatment, which typically involves biological processes to remove organic matter and suspended solids.
Nearby plants