Gs Dd No C-87 is a local government-owned dam located in Holton, Kansas, along Elk Creek-TR. Completed in 2000, this earth dam stands at a height of 30 feet and has a length of 600 feet, providing flood risk reduction for the area. With a storage capacity of 330 acre-feet and a normal storage of 48 acre-feet, the dam covers a surface area of 8.9 acres and drains an area of 1.15 square miles.

Managed by the Kansas Department of Agriculture, the dam is regulated, permitted, inspected, and enforced by the state agency. The hazard potential of Gs Dd No C-87 is rated as low, with a moderate risk assessment score of 3. Although the condition of the dam has not been officially rated, it is regularly inspected to ensure its safety and functionality. The dam does not have outlet gates and features an uncontrolled spillway with a width of 50 feet.

Overall, Gs Dd No C-87 serves as an essential infrastructure for flood risk reduction in the Jackson County area, providing protection against potential hazards and maintaining the safety of the surrounding community. Its moderate risk assessment underscores the importance of regular inspections and maintenance to ensure its continued effectiveness in managing water resources and climate challenges in the region.