Overview
Jonesville STP serves the community of Jonesville, Michigan, treating wastewater for approximately 2,337 residents. The plant operates under U.S. EPA and Michigan DEQ regulations.
Jonesville STP is a municipal wastewater treatment plant located in Jonesville, Michigan, a small community in Hillsdale County. The facility serves a population of approximately 2,337 people, reflecting its role as a small-scale treatment operation in the rural Midwest. As a U.S. plant serving fewer than 10,000 people, Jonesville STP is subject to the Clean Water Act and National Pollutant Discharge Elimination System (NPDES) permitting, typically administered by the Michigan Department of Environment, Great Lakes, and Energy (EGLE). For small communities, secondary treatment is the standard requirement, ensuring removal of organic matter and suspended solids before discharge. The plant discharges treated effluent into a local waterway that ultimately drains into the St. Joseph River watershed, which flows into Lake Michigan. This connection to the Great Lakes ecosystem underscores the importance of effective treatment to protect downstream water quality and aquatic habitats.
Environmental context
The plant's treated effluent enters a tributary of the St. Joseph River, which flows into Lake Michigan, part of the Great Lakes system. This watershed supports diverse aquatic life and provides drinking water for millions. Protecting this ecosystem requires consistent treatment to prevent nutrient loading and contamination.
Frequently asked questions
Jonesville STP is located on Ecology Drive in Jonesville, Hillsdale County, Michigan, United States.
The plant serves approximately 2,337 people, typical of a small community wastewater treatment facility.
The plant discharges treated effluent into a local tributary that flows into the St. Joseph River, which ultimately reaches Lake Michigan.
As a U.S. facility, it operates under the Clean Water Act and is permitted through the National Pollutant Discharge Elimination System (NPDES), administered by the Michigan Department of Environment, Great Lakes, and Energy (EGLE).
For small communities, secondary treatment is standard, involving biological processes to remove organic matter and suspended solids. The NPDES permit sets specific effluent limits to protect receiving waters.
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