Muscoda STP - Secondary Wastewater Treatment Plant in Muscoda, Wisconsin

Muscoda STP is a municipal wastewater treatment facility located in Muscoda, Wisconsin, serving a population of about 1,300. The plant provides secondary treatment, a standard level for small communities in the United States, ensuring compliance with Clean Water Act requirements. The plant has a designed capacity of 473.18 million gallons per day and discharges an average volume of 605.67 million gallons per day. As a secondary treatment facility, it uses biological processes to remove organic matter and suspended solids before discharge. The plant operates under the National Pollutant Discharge Elimination System (NPDES) permit program, which sets effluent limits to protect water quality. The treated effluent is discharged into a nearby water body that ultimately drains into the Mississippi River basin. This region supports diverse aquatic life and is part of the Upper Mississippi River watershed, which provides habitat for fish and migratory birds. The plant's operations help maintain local water quality and ecosystem health.

The plant discharges into a tributary of the Wisconsin River, which flows into the Mississippi River. The Mississippi River basin is a major ecological corridor supporting diverse fish species, waterfowl, and riparian habitats. The plant's secondary treatment helps reduce nutrient and pollutant loads, protecting downstream water quality in this agriculturally influenced region.