Forestville STP - Secondary Wastewater Treatment Plant in Forestville, Wisconsin

Forestville STP is a municipal wastewater treatment plant located in Forestville, Door County, Wisconsin. The facility serves a small population of 427 residents and operates under the regulatory framework of the U.S. Clean Water Act, which requires secondary treatment for municipal plants discharging to surface waters. The plant provides secondary treatment, a standard biological process that removes organic matter and suspended solids. With a designed capacity of 291.48 million gallons per year and an actual discharge volume of 287.69 million gallons per year, the facility operates near its capacity. As a small agglomeration, it meets the baseline treatment requirements under the National Pollutant Discharge Elimination System (NPDES) permit program. The plant's treated effluent ultimately reaches Lake Michigan, a major freshwater resource and part of the Great Lakes system. The discharge supports the local watershed but requires careful management to protect water quality in this ecologically sensitive region, which supports diverse aquatic life and recreational uses.

Forestville STP discharges treated wastewater into a local waterway that flows into Lake Michigan, part of the Great Lakes system. Lake Michigan is a critical freshwater resource supporting diverse aquatic ecosystems, including fish populations and migratory birds. The area's coastal proximity requires careful nutrient management to prevent eutrophication and protect water quality for drinking, recreation, and habitat.