SWAYZEE WWTP - Advanced Wastewater Treatment in Sims, Indiana

SWAYZEE WWTP is a municipal wastewater treatment facility located in Sims, Grant County, Indiana, United States. It serves a small population of approximately 1,216 residents, reflecting its role in a rural community. The plant is situated inland, far from coastal areas, and operates under the regulatory framework of the US Clean Water Act. The facility employs advanced treatment processes, ensuring a high level of pollutant removal before discharge. It has a designed capacity of 526.17 cubic meters per day and currently treats an average of 378.54 cubic meters per day, indicating operational headroom. As a US plant, it operates under an NPDES permit issued by the Indiana Department of Environmental Management, which sets effluent limits to protect water quality. The treated effluent is discharged into a local waterway that ultimately drains into the Mississippi River Basin. This watershed supports diverse aquatic life and provides water for agricultural and recreational uses downstream. The advanced treatment helps minimize nutrient and contaminant loads, contributing to the ecological health of the receiving waters.

SWAYZEE WWTP discharges into a tributary of the Wabash River, which flows into the Ohio River and then the Mississippi River before reaching the Gulf of Mexico. The Wabash River watershed supports diverse fish and mussel populations, and the advanced treatment at this plant helps reduce nutrient loading that could contribute to hypoxia in the Gulf.