CLARKSON STP - Leitchfield, Kentucky Wastewater Treatment Plant

CLARKSON STP is a municipal wastewater treatment plant located in Leitchfield, Grayson County, Kentucky. The facility serves a population of approximately 764 residents and operates under the regulatory framework of the United States Clean Water Act, which mandates secondary treatment for municipal wastewater discharges. The plant provides secondary treatment, a standard biological process that removes organic matter and suspended solids. With a designed capacity of 170.34 volume units and an actual discharge volume of 64.35 volume units, the plant operates well within its capacity. As a US facility, it is subject to National Pollutant Discharge Elimination System (NPDES) permits issued by the Kentucky Division of Water, ensuring compliance with water quality standards. The treated effluent from CLARKSON STP is discharged into local waterways that ultimately drain into the Mississippi River basin. The plant plays a key role in protecting the region's water quality, supporting downstream aquatic ecosystems and recreational uses in the Ohio River watershed.

CLARKSON STP discharges into tributaries of the Green River, which flows into the Ohio River and then the Mississippi River. The plant's secondary treatment helps protect the local watershed from nutrient pollution and pathogens, supporting aquatic life in the Green River basin. The region's karst topography makes groundwater particularly sensitive to contamination, underscoring the importance of effective wastewater treatment.