Irvington STP - Secondary Wastewater Treatment Plant in Irvington, Kentucky

Irvington STP is a municipal wastewater treatment facility located in Irvington, Breckinridge County, Kentucky. The plant serves a population of approximately 1,360 residents, classifying it as a small-scale treatment operation within the state's wastewater infrastructure. The plant provides secondary treatment, which is the standard level required by the U.S. Clean Water Act for municipal wastewater. With a designed capacity of 1,135.62 million gallons per year and an actual discharge volume of 151.42 million gallons per year, the facility operates well below its capacity, indicating potential for future growth or seasonal variability. The treated effluent is discharged into a local waterway that ultimately flows into the Ohio River basin. The plant plays a role in protecting downstream water quality in the region, supporting aquatic life and recreational uses in the broader Mississippi River watershed.

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 species and is part of a larger river system that provides drinking water and recreation. The plant's secondary treatment helps reduce organic pollutants and protect downstream ecosystems.