Frd No 5-11, also known as Upper Verdigris Watershed Dam 5-11, is a local government-owned earth dam located in Greenwood County, Kansas. Built in 1963 by the USDA NRCS, this dam serves the primary purpose of flood risk reduction along the Bernard Branch of the Verdigris River. Standing at a height of 45 feet, with a hydraulic height of 42 feet, and a length of 1430 feet, Frd No 5-11 has a storage capacity of 2525 acre-feet and a drainage area of 9.92 square miles.

With a low hazard potential and a moderate risk rating, Frd No 5-11 is regulated by the Kansas Department of Agriculture and undergoes regular state inspections and enforcement. The dam features an uncontrolled spillway with a width of 50 feet and no outlet gates. Despite being in operation for almost six decades, the dam's condition assessment is listed as "Not Rated," highlighting the need for further evaluation and maintenance. For water resource and climate enthusiasts, Frd No 5-11 presents a fascinating case study of a historic structure designed for flood risk reduction in the heart of Kansas.

This dam's location in the Upper Verdigris Watershed not only plays a crucial role in managing floodwaters but also contributes to the overall water management strategies in the region. As water resource and climate enthusiasts explore the intricacies of Frd No 5-11, they gain valuable insights into the complexities of dam design, construction, and regulatory oversight. The dam's presence along the Bernard Branch of the Verdigris River underscores the interconnectedness of water resources, infrastructure, and environmental protection efforts in Kansas.