Frd No 4-A, also known as Turkey Creek Watershed Dam Frd4a, is a local government-owned structure located in Enterprise, Kansas. Designed by USDA NRCS, this dam serves the primary purpose of flood risk reduction in the East Turkey Creek-TR watershed. Completed in 1969, Frd No 4-A is a buttress-type dam with a height of 24 feet and a hydraulic height of 19 feet. It has a storage capacity of 229 acre-feet and a maximum discharge of 1005 cubic feet per second.

Managed by the Kansas Department of Agriculture, Frd No 4-A is state-regulated and undergoes regular inspections and enforcement to ensure its safety and functionality. With a low hazard potential and a current condition assessment of "Not Rated," this structure plays a crucial role in mitigating flood risks in the area. While its emergency action plan status and risk management measures are not specified, Frd No 4-A remains an important asset in water resource management and climate resilience efforts in Dickinson County, Kansas.