Black River Falls STP - Wastewater Treatment Plant in Black River Falls, Wisconsin

Black River Falls STP is a municipal wastewater treatment facility located in Black River Falls, Jackson County, Wisconsin. Serving a population of about 5,378, the plant is part of the community's essential infrastructure for managing domestic wastewater. Under the U.S. Clean Water Act, wastewater treatment plants of this scale are typically required to meet secondary treatment standards through National Pollutant Discharge Elimination System (NPDES) permits. The Wisconsin Department of Natural Resources administers these permits, ensuring compliance with state water quality standards. The plant's treated effluent is discharged into the Black River, a tributary of the Mississippi River. This waterway supports diverse aquatic life and is part of the larger Mississippi River basin, which drains into the Gulf of Mexico. The plant's operations help protect downstream water quality and ecosystem health.

The plant discharges into the Black River, which flows into the Mississippi River and ultimately reaches the Gulf of Mexico. The Black River watershed supports a variety of fish and wildlife, including species that rely on clean water for spawning and habitat. Protecting this water body from nutrient pollution and pathogens is critical for maintaining the ecological balance of the region.