Dd No 105 (Spangler) is a flood risk reduction dam located in Peabody, Kansas, along the Doyle Creek-TR. Built in 1983, this earth dam stands at a height of 24 feet and stretches 950 feet in length, providing a storage capacity of 561.4 acre-feet. The dam's primary purpose is flood risk reduction, with a low hazard potential and a moderate risk assessment score of 3. While the dam is state-regulated and inspected by the Kansas Department of Agriculture, its condition assessment is currently marked as "Not Rated."

Owned by the local government, Dd No 105 was designed by municipal engineers and the USDA NRCS, with funding and construction assistance from the Natural Resources Conservation Service. The dam features an uncontrolled spillway with a width of 60 feet and has no outlet gates. Despite not having an emergency action plan or regular inspections since 2011, the dam remains in a stable condition and continues to play a crucial role in managing flood risks in the region. As water resource and climate enthusiasts, the data on Dd No 105 (Spangler) serves as a reminder of the importance of maintaining and monitoring critical infrastructure to safeguard communities from potential disasters.