Located in Frankfort, Kansas, Frd No 13, also known as Upper Black Vermillion WS Dam 13, is a local government-owned earth dam designed by the USDA NRCS in 1971 for the primary purpose of flood risk reduction along the Black Vermillion River. Standing at a height of 27 feet with a hydraulic height of 24 feet, this dam spans 720 feet in length and has a storage capacity of 173.7 acre-feet, serving a drainage area of 0.28 square miles.

With a spillway width of 40 feet and a low hazard potential, Frd No 13 is classified as a low-risk structure, although its overall condition is currently not rated. Despite not being federally regulated or inspected, this dam plays a crucial role in mitigating flood risks in the region, showcasing the importance of local government-led water resource management efforts. As a key component in the flood risk reduction strategy for the area, Frd No 13 demonstrates the significance of collaborative partnerships between government agencies and local communities in safeguarding against potential water-related disasters.