Dd No 117, located in Cottonwood Falls, Kansas, is a local government-owned Earth dam completed in 1994 for flood risk reduction purposes on Diamond Creek-TR. This structure stands at 26 feet tall and spans a length of 550 feet, with a storage capacity of 148.49 acre-feet and a normal storage of 15.64 acre-feet. Despite its low hazard potential, the dam has not been rated for its condition and has not undergone recent inspections since February 1995.

The dam features an uncontrolled spillway with a width of 40 feet and no outlet gates. It is associated with no other structures and has not been modified in recent years. The risk assessment for Dd No 117 indicates a moderate risk level (3), highlighting the importance of continued monitoring and maintenance to ensure its effectiveness in mitigating flood risks in the area. Water resource and climate enthusiasts may find interest in the unique design and purpose of this structure within the local watershed.