North Middletown STP - Secondary Wastewater Treatment in Kentucky

North Middletown STP is a municipal wastewater treatment facility located on Thatchers Mill Road in North Middletown, Kentucky, within Bourbon County. The plant serves a small population of 302 residents, reflecting the rural character of the area. The plant provides secondary treatment, which is the standard level required under the U.S. Clean Water Act for municipal wastewater facilities. Secondary treatment typically involves biological processes to remove organic matter and suspended solids. The plant has a designed capacity of 344.47 cubic meters per day and currently treats an average daily flow of 189.27 cubic meters, indicating it operates well below its capacity. The treated effluent is discharged into a local water body, likely a tributary of the Licking River or Kentucky River, which ultimately drains into the Ohio River and then the Mississippi River. The plant plays a key role in protecting local water quality and downstream ecosystems in the Ohio River basin.

The plant discharges into a small stream in the Licking River watershed, which flows north into the Ohio River. The Ohio River is a major tributary of the Mississippi River, supporting diverse aquatic life and providing drinking water for millions. The plant's secondary treatment helps reduce nutrient and organic pollution, protecting downstream water quality in this ecologically important river system.