Overview
Stockbridge STP is an advanced wastewater treatment plant in Stockbridge, Wisconsin, serving 671 people. It discharges 246.05 million gallons per year and operates near Lake Winnebago.
Stockbridge STP is a municipal wastewater treatment facility located in Stockbridge, Calumet County, Wisconsin. Serving a population of 671, the plant is situated near the shores of Lake Winnebago, the largest inland lake in the state. The facility is classified as providing advanced treatment, reflecting a higher level of pollutant removal beyond secondary standards. The plant has a designed capacity of 272.55 million gallons per year and currently discharges 246.05 million gallons annually. As a US facility, it operates under the Clean Water Act, with National Pollutant Discharge Elimination System (NPDES) permits issued by the Wisconsin Department of Natural Resources. These permits set effluent limits to protect water quality in the receiving water body. The treated effluent from Stockbridge STP ultimately flows into Lake Winnebago, which drains via the Fox River into Green Bay and Lake Michigan. This watershed supports diverse aquatic life and is an important recreational and ecological resource. Advanced treatment helps minimize nutrient loading, which is critical for preventing algal blooms in the lake.
Environmental context
Stockbridge STP discharges into the Lake Winnebago watershed, which drains via the Fox River into Green Bay and then Lake Michigan. The lake is a large, shallow freshwater body that supports diverse aquatic life, including walleye, sturgeon, and migratory waterfowl. Nutrient enrichment from wastewater can contribute to algal blooms, making advanced treatment important for maintaining water quality in this ecologically sensitive system.
Frequently asked questions
Stockbridge STP is located on West Lake Street in Stockbridge, Calumet County, Wisconsin, United States, near the shores of Lake Winnebago.
The plant serves a population of 671 residents in the Stockbridge area.
The plant discharges treated effluent into the Lake Winnebago watershed, which flows via the Fox River into Green Bay and Lake Michigan.
Stockbridge STP provides advanced treatment, which goes beyond secondary treatment to remove additional nutrients and pollutants, protecting the sensitive Lake Winnebago ecosystem.
As a US facility, Stockbridge STP operates under the Clean Water Act and is regulated by an NPDES permit issued by the Wisconsin Department of Natural Resources, which sets effluent limits to protect water quality.
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