Frd No Gs 27, also known as Walnut Creek Watershed Dam Gs 27, is a local government-owned earth dam located in Hamlin, Kansas. Designed by USDA NRCS and completed in 1965, this dam serves the primary purpose of flood risk reduction in the area. With a structural height of 29 feet and a length of 580 feet, the dam has a storage capacity of 60 acre-feet and covers a surface area of 2.64 acres.

Situated on Terrapin Creek-TR within the Rock Island District, Frd No Gs 27 has a low hazard potential and is currently considered to be in a not-rated condition. Although it does not have a state jurisdiction, regulation, permitting, inspection, or enforcement, the dam's risk assessment is moderate. With a spillway type of uncontrolled and a spillway width of 40 feet, this dam plays a crucial role in managing water resources and protecting the surrounding community from potential flooding events.

Overall, Frd No Gs 27 stands as a vital infrastructure for flood risk reduction in Brown County, Kansas. Despite its moderate risk assessment, the dam's low hazard potential and non-rated condition indicate a stable and functioning structure. As water resource and climate enthusiasts, monitoring and maintaining dams like Frd No Gs 27 are essential for ensuring the safety and resilience of communities in the face of changing environmental conditions.