Its shoreline measures 1,255 miles (2,020 km) and the lake covers 65,530 acres (265 km2) at the maximum power pool elevation.

On January 22, 2007, the United States Army Corps of Engineers began lowering the water level in Lake Cumberland, fearing a possible breach in Wolf Creek Dam.

Water seepage had again eroded the limestone under the dam, creating the potential for a breach and subsequent flood that would cause damages into the billions of dollars in cities downstream.

[3] The caverns beneath the structure complicated plans for repairs, but a $594 million project to construct a new wall inside the dam was completed by early 2013.

[4] Wolf Creek Dam's six turbines are capable of supplying the needs of an average city (population of 375,000) via 270 megawatts of electricity.