Duck Lake, located in Bullitt County, Kentucky, is a federal-owned recreational reservoir managed by the US Army. The Earth dam, standing at 20 feet high and 700 feet long, was completed in 1992 and serves the primary purpose of recreation. With a storage capacity of 200 acre-feet, the lake covers a surface area of 39 acres and is fed by the Tr Salt River.

Despite being classified as having a low hazard potential, Duck Lake undergoes regular inspections by the US Army, with the last inspection conducted in October 2018. The dam's spillway, which is uncontrolled and 150 feet wide, helps regulate water levels in the reservoir. The risk assessment for Duck Lake is moderate, with measures in place for risk management, though the condition assessment is currently not available.

Enthusiasts of water resources and climate will appreciate Duck Lake for its recreational offerings and the management practices implemented by the US Army. With its tranquil setting and strategic design, Duck Lake serves as a valuable asset in the region, balancing the needs of water management and recreation while maintaining a moderate level of risk assessment.