Abwasserzweckverband Main Mud Wastewater Treatment Plant, Miltenberg, Bavaria

Abwasserzweckverband Main Mud is a wastewater treatment plant located in Miltenberg, Bavaria, Germany. The plant serves a population of approximately 69,635 people, classifying it as a medium to large agglomeration under EU regulations. It is situated in the Main River basin, which ultimately drains into the Rhine River and the North Sea. As a German facility, the plant operates under the EU Urban Waste Water Treatment Directive 91/271/EEC, which mandates secondary treatment for agglomerations of this size. For plants serving between 10,000 and 150,000 population equivalents, the directive requires secondary treatment as a minimum, with tertiary treatment in sensitive areas. It is expected to comply with German water quality standards. The treated effluent is discharged into the Main River, a major tributary of the Rhine. The Main River supports diverse aquatic life and is an important waterway for navigation and ecology. The plant's operations contribute to protecting the water quality of the Main and downstream ecosystems, including the Rhine and the North Sea.

The plant discharges into the Main River, which flows into the Rhine River and eventually the North Sea. The Main River is an ecologically significant waterway that supports diverse fish species and serves as a migratory corridor. The plant's treatment helps maintain water quality in this important river system, which is subject to EU water quality standards.