Frd No 9, also known as the City of Atchison Dam 9, is a local government-owned earth dam located in Atchison, Kansas. Built in 1963 by the USDA NRCS, this dam serves the primary purpose of flood risk reduction along the White Clay Creek-TR. It stands at a height of 54 feet with a hydraulic height of 49 feet and a length of 1060 feet, providing a storage capacity of 842 acre-feet and a drainage area of 0.72 square miles.

With a high hazard potential, Frd No 9 has been deemed to be in satisfactory condition according to its most recent inspection in March 2020. The dam features a spillway width of 40 feet and a maximum discharge capacity of 4700 cubic feet per second. While no associated structures or outlet gates are listed, the dam's emergency action plan status and risk assessment measures are currently not available. Overall, Frd No 9 plays a crucial role in mitigating flood risks in the area and highlights the importance of proper dam management for water resource and climate enthusiasts.