Saukville STP Wastewater Treatment Plant, Saukville, Wisconsin

Saukville STP is a wastewater treatment facility serving the village of Saukville in Ozaukee County, Wisconsin, United States. With a population served of around 4,459, it is a small-scale municipal plant supporting a residential community in the Great Lakes region. The plant has a designed capacity of 1.00 million gallons per day. As a U.S. facility, it operates under the Clean Water Act and is subject to National Pollutant Discharge Elimination System (NPDES) permitting, typically administered by the Wisconsin Department of Natural Resources. For a plant of this size, secondary treatment is the standard requirement. The treated effluent likely discharges to a tributary of Lake Michigan, which is the ultimate receiving water body. Lake Michigan is a vital freshwater resource supporting diverse aquatic life, recreational activities, and municipal water supplies. The plant's proximity to the lake underscores the importance of effective treatment to protect water quality.

The plant's discharge likely enters a local stream or river that flows into Lake Michigan, part of the Great Lakes system. Lake Michigan supports a wide range of fish species, including lake trout and whitefish, and is an important migratory corridor for birds. Protecting water quality in this watershed is critical for maintaining the ecological health of the lake and its tributaries.