Frd No 6, also known as Elk River WS Dam 6, is a flood risk reduction structure located in Oak Valley, Kansas. Owned by the local government and regulated by the Kansas Department of Agriculture, this earth dam was completed in 1974 by the USDA NRCS. With a dam height of 45 feet and a hydraulic height of 41 feet, Frd No 6 serves the primary purpose of flood risk reduction along the East Painterhood Creek-TR.

This low hazard potential dam has a moderate risk assessment score of 3, with a normal storage capacity of 144 acre-feet and a maximum storage of 908.77 acre-feet. The spillway of Frd No 6 is uncontrolled with a width of 160 feet, allowing for a maximum discharge of 4560 cubic feet per second. Despite being last inspected in 1979, this structure remains in a not-rated condition assessment.

For water resource and climate enthusiasts interested in the infrastructure of Frd No 6, this dam provides valuable flood risk reduction services in the Elk County area. With its strategic location and design specifications, this earth dam plays a crucial role in managing water flow and protecting the surrounding communities from potential flooding events.