Overview
HILLMAN STP is a secondary wastewater treatment plant serving 674 people in Hillman, Michigan, USA. It discharges 189.27 megaliters annually and has a designed capacity of 264.98 megaliters.
HILLMAN STP is a municipal wastewater treatment plant located in Hillman, Montmorency County, Michigan, United States. The facility serves a small population of 674 residents, providing secondary treatment to meet state and federal water quality standards. The plant operates under the U.S. Clean Water Act, which requires secondary treatment for municipal wastewater discharges. With a designed capacity of 264.98 megaliters and an annual discharge volume of 189.27 megaliters, the facility treats wastewater from the local community before releasing it into the environment. The treated effluent from HILLMAN STP is discharged into a nearby water body that ultimately drains into the Great Lakes basin, a vital freshwater resource supporting diverse aquatic life and regional ecosystems. The plant plays a key role in protecting downstream water quality in this sensitive watershed.
Environmental context
The plant discharges into a receiving water body within the Great Lakes basin, which drains into Lake Huron via the Thunder Bay River or similar tributaries. This watershed supports diverse aquatic species and provides drinking water for millions. The secondary treatment process helps reduce nutrient and pathogen loads, protecting the ecological health of downstream lakes and rivers.
Frequently asked questions
HILLMAN STP is located in Hillman, Montmorency County, Michigan, United States, at approximately 45.0660 N, -83.9040 W.
The plant serves a population of 674 residents in the Hillman area.
The plant provides secondary treatment and discharges treated effluent into a local water body that flows into the Great Lakes basin.
The plant operates under the U.S. Clean Water Act, with National Pollutant Discharge Elimination System (NPDES) permits issued by the Michigan Department of Environment, Great Lakes, and Energy (EGLE).
Small plants like HILLMAN STP typically use secondary treatment processes such as activated sludge or lagoons to meet EPA standards for biochemical oxygen demand and total suspended solids.
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