MANTON STP - Manton, Michigan Wastewater Treatment Plant

MANTON STP is a municipal wastewater treatment plant located in Manton, Michigan, a small community in Wexford County. The plant serves a population of about 1,026 residents, reflecting its role as a small-scale facility in a rural setting. It operates under the regulatory framework of the U.S. Clean Water Act, administered by the Michigan Department of Environment, Great Lakes, and Energy (EGLE). The plant provides secondary treatment, a standard level for small communities in the United States, which typically involves biological processes to reduce organic matter and suspended solids. The plant has a designed capacity of 492.10 thousand gallons per day and currently discharges an average volume of 302.83 thousand gallons per day, indicating operational headroom. Secondary treatment aligns with EPA requirements for facilities of this scale. The treated effluent from MANTON STP is discharged into a local waterway that drains into the Muskegon River watershed, ultimately flowing into Lake Michigan, part of the Great Lakes system. This discharge contributes to the overall water quality of the region, supporting aquatic life and recreational uses downstream. The plant's location more than 10 km from the coast reduces direct marine impact, but its proximity to the Great Lakes basin underscores the importance of effective treatment.

The plant discharges into a tributary of the Muskegon River, which flows into Lake Michigan, a major freshwater resource in the Great Lakes basin. The watershed supports diverse aquatic species, including trout and salmon, and is used for recreation and drinking water. Effective secondary treatment helps protect downstream water quality and ecosystem health.