Frd No 38, also known as Little Walnut Hickory WS Dam 38, is a locally owned flood risk reduction structure located in Douglas, Butler County, Kansas. Built in 1967 by the USDA NRCS, this earth dam stands at a height of 29 feet and has a normal storage capacity of 25.4 acre-feet. The dam's primary purpose is flood risk reduction along the South Branch Hickory Creek-TR, with a low hazard potential and a moderate risk assessment rating.

Managed by the Kansas Department of Agriculture, Frd No 38 is regulated, inspected, and enforced by state authorities to ensure its structural integrity and safety. The dam features an uncontrolled spillway with a width of 40 feet and is situated in a drainage area of 1.14 square miles. With a surface area of 8.9 acres and a storage capacity of 447.39 acre-feet, this dam plays a crucial role in managing water resources and protecting the surrounding area from potential flooding events. For water resource and climate enthusiasts, Frd No 38 serves as a notable example of local government-led initiatives to mitigate flood risks and safeguard communities against natural disasters.