Overview
Holly STP serves 8,225 people in Oakland County, Michigan, as part of the region's municipal wastewater infrastructure. The plant discharges treated effluent under the U.S. Clean Water Act framework.
Holly STP is a municipal wastewater treatment plant located in Oakland County, Michigan, serving a population of approximately 8,225 residents. The facility is part of the broader wastewater management system for the Holly area and operates under state and federal regulations. As a plant serving a small community, it is subject to the U.S. Clean Water Act and National Pollutant Discharge Elimination System (NPDES) permitting requirements. The plant's treated effluent is discharged into local waterways that drain into the Great Lakes basin, specifically Lake Huron via the Flint River system. This watershed supports diverse aquatic life and provides drinking water for millions, making proper treatment essential for protecting water quality and ecosystem health.
Environmental context
The plant discharges into the Flint River watershed, which flows into Lake Huron, part of the Great Lakes system. The Great Lakes are a critical freshwater resource supporting diverse aquatic ecosystems, including fish species such as lake trout and walleye, and serve as a drinking water source for millions. Protecting this watershed from nutrient pollution and pathogens is vital for maintaining water quality and ecological balance.
Frequently asked questions
Holly STP is located at 317 Airport Drive, Oakland County, Michigan, 48442, United States.
Holly STP serves approximately 8,225 residents in the Holly area of Oakland County, Michigan.
The plant discharges treated effluent into local waterways that are part of the Flint River watershed, which ultimately drains into Lake Huron in the Great Lakes system.
Holly STP operates under the U.S. Clean Water Act and is required to have a National Pollutant Discharge Elimination System (NPDES) permit issued by the Michigan Department of Environment, Great Lakes, and Energy (EGLE).
For small communities of this size, typical treatment includes primary and secondary treatment processes, often with disinfection, to meet NPDES permit limits for biochemical oxygen demand, total suspended solids, and pathogens.
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