Speedway Town of Wastewater Treatment Plant, Speedway, Indiana

The Speedway Town of wastewater treatment plant is located at 4251 West Vermont Street in Speedway, Indiana, a suburb of Indianapolis. Serving a population of about 15,119, the plant is part of the municipal infrastructure managed by the town. As a medium-sized facility, it plays a key role in protecting local water quality. Under the U.S. Clean Water Act, wastewater treatment plants of this scale are required to meet secondary treatment standards through the National Pollutant Discharge Elimination System (NPDES) permit program. The plant's discharge is regulated by the Indiana Department of Environmental Management, ensuring compliance with effluent limits for biochemical oxygen demand, total suspended solids, and other pollutants. The treated effluent from the Speedway plant is discharged into a local waterway that ultimately drains into the White River, a major tributary of the Wabash River and the Ohio River system. The White River supports diverse aquatic life and is an important resource for recreation and drinking water downstream. The plant's operations help maintain the ecological health of this watershed.

The Speedway plant discharges into a tributary of the White River, which flows through central Indiana and joins the Wabash River near Vincennes. The Wabash River then empties into the Ohio River, a major tributary of the Mississippi River. The White River watershed supports diverse fish populations and provides habitat for migratory birds. The plant's nutrient removal helps prevent eutrophication in downstream water bodies, particularly in the Gulf of Mexico hypoxic zone.