FINDLAY STP - Advanced Wastewater Treatment in Findlay, Illinois

FINDLAY STP is an advanced wastewater treatment plant located in Findlay, Illinois, United States. It serves a small population of 806 residents in Shelby County. The plant operates under the U.S. Clean Water Act, which requires National Pollutant Discharge Elimination System (NPDES) permits for all discharges to surface waters. The plant provides advanced treatment, which goes beyond secondary treatment to remove additional pollutants such as nutrients. It has a designed capacity of 454.25 megaliters and currently discharges 189.27 megaliters per year, indicating it operates well below capacity. As a small municipal facility, it is subject to state-level regulations enforced by the Illinois Environmental Protection Agency. The treated effluent is discharged into a local water body, likely a tributary of the Kaskaskia River, which flows into the Mississippi River and ultimately the Gulf of Mexico. The plant plays a role in protecting downstream water quality in the Mississippi River Basin, a major ecological and economic corridor.

The plant discharges into a local water body that drains into the Kaskaskia River, a major tributary of the Mississippi River. The Mississippi River Basin supports diverse aquatic life and is an important migratory corridor for birds and fish. Advanced treatment helps reduce nutrient loading, which can contribute to hypoxia in the Gulf of Mexico.