Frd No 39, also known as Upper Black Vermillion WS Dam 39, is a crucial water management structure located in Vermillion, Kansas. Built in 1972 by the USDA NRCS, this earth dam plays a vital role in flood risk reduction along the Black Vermillion River. With a height of 33 feet and a length of 760 feet, Frd No 39 has a storage capacity of 231.39 acre-feet, serving as a key resource for the local community.

Managed by the Kansas Department of Agriculture, Frd No 39 is regulated and inspected regularly to ensure its structural integrity and functionality. The dam has a low hazard potential and a moderate risk assessment rating, highlighting the importance of ongoing risk management measures. Despite being uncontrolled, the spillway of Frd No 39 has a width of 120 feet to effectively handle excess water during times of high flow.

Water resource and climate enthusiasts will appreciate the significance of Frd No 39 in mitigating flood risks and managing water resources in Nemaha County, Kansas. With its strategic location and design, this dam serves as a critical infrastructure for protecting the surrounding area from potential inundation and contributes to the overall resilience of the region against extreme weather events.