Tennyson STP - Secondary Wastewater Treatment Plant in Tennyson, Indiana

Tennyson STP is a municipal wastewater treatment facility located in Tennyson, Warrick County, Indiana. The plant serves a small population of 290 residents, reflecting its role in a rural community. As a secondary treatment plant, it provides biological treatment to reduce organic matter and suspended solids before discharge. The plant operates under the U.S. Clean Water Act, which requires secondary treatment for municipal wastewater. Its designed capacity matches the current discharge volume of 170.34 units, indicating full utilization. Facilities of this scale typically hold NPDES permits issued by the Indiana Department of Environmental Management. The treated effluent is discharged into a local waterway that ultimately drains into the Ohio River basin. This contributes to the overall water quality management of the region, supporting downstream aquatic habitats and recreational uses.

The plant discharges into a tributary of the Ohio River, which flows into the Mississippi River and eventually the Gulf of Mexico. The local watershed supports diverse aquatic life and is part of a larger river system that provides drinking water and recreational opportunities. Protecting water quality in this basin is essential for maintaining ecological balance and public health.