ELNORA STP - Advanced Wastewater Treatment Plant in Elnora, Indiana

ELNORA STP is a wastewater treatment facility located in Elnora, Daviess County, Indiana, United States. It serves a small population of 792 residents, providing advanced treatment to protect local water quality. The plant operates with a designed capacity of 378.54 m³/day and currently discharges an average of 227.13 m³/day. As an advanced treatment facility, it goes beyond secondary treatment to remove nutrients and other pollutants, meeting stringent standards under the U.S. Clean Water Act. Such plants are typically regulated by the Indiana Department of Environmental Management through National Pollutant Discharge Elimination System (NPDES) permits. The treated effluent is discharged into a local water body, likely a tributary of the White River, which flows into the Wabash River and eventually the Ohio River and Mississippi River. This watershed supports diverse aquatic life and provides drinking water for downstream communities. The plant's advanced treatment helps reduce nutrient loading and protect the ecological health of the region.

The plant discharges into a local stream within the White River watershed, which drains into the Wabash River and then the Ohio River. This basin supports diverse aquatic species and is an important corridor for migratory fish. Advanced treatment at this facility helps minimize nutrient pollution, protecting downstream water quality and aquatic habitats.