Gs Dd No C-120 is a flood risk reduction structure located in HOLTON, Kansas, specifically along the BANNER CREEK-TR river. Constructed in 1986, this earth dam stands at a height of 36 feet and spans a length of 580 feet. With a storage capacity of 161 acre-feet, the dam serves the primary purpose of flood risk reduction and debris control.

Managed by the local government and regulated by the KS Dept. of Agriculture, Gs Dd No C-120 has a low hazard potential and a moderate risk assessment rating of 3. Although the condition assessment is not rated, the dam has not undergone any modifications since its completion. The spillway type is uncontrolled with a width of 47 feet, and there are no outlet gates associated with the structure.

Overall, Gs Dd No C-120 plays a crucial role in mitigating flood risks in the area, providing protection to the surrounding communities in Jackson County, Kansas. With its strategic location and design features, this dam serves as a vital component of the region's water resource management infrastructure, ensuring the safety and well-being of residents in the face of potential flooding events.