Dryden WWTF - Secondary Wastewater Treatment Plant in Dryden, Michigan

Dryden WWTF is a municipal wastewater treatment facility located in Dryden, Lapeer County, Michigan, United States. The plant serves a small population of 789 residents, reflecting its role in a rural community. As part of Michigan's wastewater infrastructure, it operates under the regulatory framework of the US Clean Water Act, which mandates secondary treatment for municipal plants. The plant employs secondary treatment, a standard biological process that removes organic matter and suspended solids. With a designed capacity of 492.10 volume units and an average discharge volume of 340.69 units, the facility operates within its capacity. The plant is subject to National Pollutant Discharge Elimination System (NPDES) permits issued by the Michigan Department of Environment, Great Lakes, and Energy (EGLE), ensuring compliance with water quality standards. Treated effluent from Dryden WWTF is discharged into the local watershed, which drains into the Lake St. Clair and Lake Erie system, part of the Great Lakes Basin. This region supports diverse aquatic life and provides drinking water for millions. The plant's operations help protect downstream ecosystems and recreational waters in the Great Lakes.

The plant discharges into the Lake St. Clair and Lake Erie watershed, part of the Great Lakes Basin. This system supports diverse aquatic species and is a critical freshwater resource. The plant's secondary treatment helps reduce nutrient loading, which is important for preventing algal blooms in the Great Lakes.