Overview
Grand Ledge WWTP serves approximately 7,800 residents in Grand Ledge, Michigan. The plant discharges treated wastewater into the Grand River watershed, which flows to Lake Michigan.
Grand Ledge WWTP is a municipal wastewater treatment facility located in Grand Ledge, Michigan, serving a population of about 7,800. Situated along the Grand River, the plant plays a key role in managing wastewater for this community in Eaton County. As a US facility, the plant operates under the Clean Water Act and is subject to National Pollutant Discharge Elimination System (NPDES) permits issued by the Michigan Department of Environment, Great Lakes, and Energy (EGLE). For a plant serving this population size, secondary treatment is typically required, with possible additional nutrient controls due to the Great Lakes watershed. The plant's treated effluent is discharged into the Grand River, which flows westward through Michigan and eventually into Lake Michigan. This water body is part of the larger Great Lakes system, supporting diverse aquatic life and providing drinking water for millions. Protecting water quality in this watershed is critical for both ecological and public health.
Environmental context
The Grand River is the longest river in Michigan, draining into Lake Michigan, one of the five Great Lakes. This watershed supports a variety of fish species, including salmon and trout, and is an important recreational and ecological resource. The plant's discharge must meet stringent water quality standards to protect downstream ecosystems and drinking water supplies.
Frequently asked questions
Grand Ledge WWTP is located at 122 Fitzgerald Park Drive, Grand Ledge, Michigan, in Eaton County.
The plant serves approximately 7,800 residents in the Grand Ledge area.
The plant discharges treated wastewater into the Grand River, which flows to Lake Michigan.
The plant operates under the Clean Water Act and is regulated by an NPDES permit issued by Michigan EGLE, ensuring compliance with federal and state water quality standards.
For a plant of this size, secondary treatment is standard, often with additional disinfection. In the Great Lakes region, nutrient removal may also be required to protect sensitive waters.
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