CASNOVIA WWSL - Secondary Wastewater Treatment in Tyrone Township, Michigan

CASNOVIA WWSL is a municipal wastewater treatment facility located on Rusco Road Northwest in Tyrone Township, Kent County, Michigan. Serving a population of 566, the plant provides secondary treatment for the local community, with a designed capacity of 227.12 megaliters and an annual discharge volume of 189.27 megaliters. The plant operates under the US Clean Water Act, which requires secondary treatment for municipal wastewater. As a small facility, it 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. The treated effluent is discharged into local waterways that drain into the Grand River watershed, ultimately reaching Lake Michigan. The plant plays a key role in protecting the region's water resources and supporting the ecological health of the Great Lakes basin.

The plant's discharge enters the Grand River watershed, which flows into Lake Michigan, part of the Great Lakes system. This region supports diverse aquatic life and is an important migratory corridor for fish. Protecting water quality is critical for maintaining the ecological balance of the Great Lakes, which provide drinking water and recreation for millions.