Howard City STP - Reynolds Township, Michigan Wastewater Treatment Plant

Howard City STP is a municipal wastewater treatment plant located in Reynolds Township, Montcalm County, Michigan. It serves a population of 1,711 residents and is part of the region's infrastructure for managing domestic wastewater. The plant is situated inland, away from coastal areas, and its operations are governed by state and federal environmental standards. The plant provides secondary treatment, a standard level required by the US Clean Water Act for municipal facilities. Its designed capacity is 757.08 thousand cubic meters per year, with an actual discharge volume of 643.52 thousand cubic meters annually. As a facility serving a small community, it operates under a National Pollutant Discharge Elimination System (NPDES) permit issued by the Michigan Department of Environment, Great Lakes, and Energy (EGLE), which sets effluent limits to protect water quality. The treated wastewater from Howard City STP is discharged into local waterways that ultimately drain into the Grand River watershed and then into Lake Michigan. This makes the plant's performance important for maintaining the ecological health of the Great Lakes basin. Proper treatment helps prevent nutrient pollution and protects aquatic habitats in the downstream environment.

Howard City STP discharges into tributaries of the Grand River, which flows into Lake Michigan, part of the Great Lakes system. The watershed supports diverse aquatic life and is important for regional biodiversity. The plant's secondary treatment helps reduce organic pollutants and nutrients, safeguarding downstream water quality in this ecologically sensitive basin.