Gs Dd No 8-8 is a local government-owned dam located in Granada, Kansas, designed by Wilbur Naylor and completed in 1994. This earth dam, with a height of 28.5 feet and a length of 600 feet, serves the primary purpose of flood risk reduction along the Wolfley Creek-TR. With a normal storage capacity of 24.3 acre-feet and a maximum storage of 111.5 acre-feet, this structure plays a crucial role in debris control and flood risk mitigation in the region.

Although Gs Dd No 8-8 is classified as having a low hazard potential, it is considered to have moderate risk (3) associated with its operations. The dam is not currently regulated or inspected by the state, but it meets the necessary guidelines for emergency action planning. Despite not having outlet gates or locks, the uncontrolled spillway with a width of 40 feet ensures the safe release of excess water during peak discharges of up to 418 cubic feet per second.

Overall, Gs Dd No 8-8 stands as a vital infrastructure for flood control in Nemaha County, Kansas, providing valuable protection to the surrounding area. As climate change continues to impact water resources, structures like Gs Dd No 8-8 play a crucial role in safeguarding communities from the increasing frequency and intensity of extreme weather events.