Overview
HASTINGS STP serves Hastings, Michigan, treating wastewater for approximately 6,100 residents. The plant discharges into the Thornapple River, a tributary of the Grand River, which flows to Lake Michigan.
HASTINGS STP is a municipal wastewater treatment plant located in Hastings, Michigan, along the Hastings Riverwalk in Barry County. The facility serves a population of about 6,100 people, typical of a small agglomeration in the Great Lakes region. As a publicly owned treatment works, it plays a key role in protecting local water quality. Under the U.S. Clean Water Act, municipal plants of this scale are required to meet secondary treatment standards through National Pollutant Discharge Elimination System (NPDES) permits issued by the Michigan Department of Environment, Great Lakes, and Energy (EGLE). The plant is expected to provide at least secondary treatment to reduce biochemical oxygen demand and suspended solids before discharge. The treated effluent is discharged to the Thornapple River, which flows northward to join the Grand River near Grand Rapids. The Grand River is the longest river in Michigan and drains into Lake Michigan at Grand Haven. This watershed supports diverse aquatic life, including fish species such as walleye and smallmouth bass, and is an important recreational and ecological corridor in western Michigan.
Environmental context
The plant discharges into the Thornapple River, a tributary of the Grand River, which ultimately flows into Lake Michigan, one of the Great Lakes. The Grand River watershed supports diverse aquatic habitats and is a critical resource for drinking water, recreation, and fisheries. Protecting this downstream environment requires effective nutrient and pathogen removal to prevent algal blooms and maintain water quality in the Great Lakes ecosystem.
Frequently asked questions
HASTINGS STP is located along the Hastings Riverwalk in Hastings, Barry County, Michigan, United States.
The plant serves approximately 6,100 residents in the Hastings area.
The treated wastewater is discharged into the Thornapple River, which flows into the Grand River and then into Lake Michigan.
As a municipal plant in the United States, HASTINGS STP operates under the Clean Water Act and is required to have an NPDES permit issued by the Michigan Department of Environment, Great Lakes, and Energy (EGLE), ensuring compliance with secondary treatment standards.
Plants of this size in Michigan typically provide at least secondary treatment, which includes biological processes to remove organic matter and suspended solids, often followed by disinfection before discharge to surface waters.
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