Harbor Springs City STP, Nunda Township

Overview

Harbor Springs City STP in Nunda Township, Michigan, serves a population of 8,331. The plant operates under the US Clean Water Act, with a designed capacity of 1.00 million gallons per day.

Harbor Springs City STP is a municipal wastewater treatment plant located in Nunda Township, Cheboygan County, Michigan. The facility serves a population of approximately 8,331 residents and is part of the region's wastewater infrastructure. The plant has a designed capacity of 1.00 million gallons per day. As a US facility, it operates under the Clean Water Act and is subject to National Pollutant Discharge Elimination System (NPDES) permitting, which sets effluent limits to protect water quality. Treatment processes typical for plants of this scale include secondary treatment, often with disinfection. The treated effluent is discharged into a local water body that drains into the Great Lakes basin, specifically Lake Michigan or Lake Huron. The plant plays a key role in protecting downstream aquatic ecosystems and recreational waters in the region.

Environmental context

The plant discharges into a water body within the Great Lakes basin, which ultimately drains into Lake Huron via the Cheboygan River or nearby streams. The Great Lakes ecosystem supports diverse aquatic life, including fish species such as lake trout and whitefish, and provides drinking water for millions. Protecting water quality is critical to prevent nutrient pollution and harmful algal blooms.

Frequently asked questions

Harbor Springs City STP is located on Congdon Road in Nunda Township, Cheboygan County, Michigan, United States.

The plant serves a population of approximately 8,331 residents in the Nunda Township area.

The treated effluent is discharged into a local water body that drains into the Great Lakes basin, likely Lake Huron or Lake Michigan, via the Cheboygan River or nearby streams.

As a US facility, the plant operates under the Clean Water Act and is regulated through the National Pollutant Discharge Elimination System (NPDES) permit program, which sets effluent limits to protect water quality.

Plants of this scale typically employ secondary treatment processes, such as activated sludge or trickling filters, followed by disinfection, to meet NPDES permit requirements.