Overview
WILLIAMSTON WTP is a municipal wastewater treatment plant in Williamston, Michigan, serving approximately 3,800 residents. It operates under the US Clean Water Act framework with NPDES permitting.
WILLIAMSTON WTP is a municipal wastewater treatment facility located on Sunset Road in Williamston, Ingham County, Michigan. The plant serves a population of roughly 3,800 people, placing it in the small-to-medium agglomeration category for US wastewater infrastructure. As a US facility, WILLIAMSTON WTP operates under the Clean Water Act and is subject to National Pollutant Discharge Elimination System (NPDES) permitting, typically administered by the Michigan Department of Environment, Great Lakes, and Energy (EGLE). For plants of this scale, secondary treatment is the standard requirement, with possible additional nutrient controls depending on the receiving water body's sensitivity. The plant discharges treated effluent into a local waterway that ultimately drains into the Grand River watershed, which flows to Lake Michigan. This connection to the Great Lakes system places importance on effective nutrient removal to protect downstream water quality and aquatic ecosystems.
Environmental context
The plant's treated effluent enters a tributary of the Red Cedar River, which flows into the Grand River and eventually reaches Lake Michigan. The Grand River watershed supports diverse aquatic life and is an important recreational and ecological resource. Protecting water quality in this system helps maintain habitat for fish species such as walleye and smallmouth bass, and supports the overall health of the Lake Michigan basin.
Frequently asked questions
WILLIAMSTON WTP is located on Sunset Road in Williamston, Ingham County, Michigan, United States.
The plant serves approximately 3,800 residents, classifying it as a small-to-medium agglomeration under US wastewater standards.
The plant discharges treated effluent into a local tributary that flows into the Red Cedar River, part of the Grand River watershed, which ultimately drains into Lake Michigan.
As a US facility, WILLIAMSTON WTP operates under the Clean Water Act and is regulated via an NPDES permit issued by the Michigan Department of Environment, Great Lakes, and Energy (EGLE).
For small-to-medium agglomerations in the US, secondary treatment is standard, often including biological processes and disinfection. Additional nutrient removal may be required if the receiving water body is sensitive to eutrophication.
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