Frd No 28, also known as Little Walnut Hickory WS Dam 28, is a local government-owned earth dam in Butler County, Kansas. Built in 1968 by the USDA NRCS, this structure serves the primary purpose of flood risk reduction along the Stony Branch Hickory Creek. Standing at a height of 31 feet with a hydraulic height of 28 feet, the dam has a storage capacity of 1517.6 acre-feet and covers a surface area of 19.9 acres.

The dam, located in Douglass, Kansas, has a low hazard potential and is currently rated as "Not Rated" in terms of condition assessment. With a moderate risk level of 3, the dam is regulated, inspected, and permitted by the Kansas Department of Agriculture. Although the emergency action plan (EAP) status and risk management measures are currently unknown, the dam's uncontrolled spillway with a width of 40 feet can handle a maximum discharge of 229 cubic feet per second.

Water resource and climate enthusiasts will find Frd No 28 to be an interesting case study in flood risk reduction infrastructure in Kansas. The dam's design and construction by the Natural Resources Conservation Service showcase the importance of earth dams in managing water flow and protecting communities from potential flooding events. With its location in a high-risk area along the Stony Branch Hickory Creek, the dam's role in mitigating flood risks and ensuring public safety is crucial for the surrounding region in Butler County.