Frd No 18, also known as Wakarusa Watershed Dam 18, is a local government-owned structure in Osage County, Kansas, designed by the USDA NRCS and regulated by the Kansas Department of Agriculture. Completed in 1974, this dam serves the primary purpose of flood risk reduction along the Armstrong Branch of the river, with a height of 37 feet and a hydraulic height of 32 feet. With a storage capacity of 1460 acre-feet, Frd No 18 plays a crucial role in mitigating flood risks in the area.

Situated in the city of Wakarusa, Kansas, Frd No 18 is a buttress-type dam with a length of 1130 feet and a spillway width of 80 feet. Despite being rated as having a low hazard potential and not currently assessed for its condition, this dam remains an essential infrastructure for managing water resources and ensuring the safety of the surrounding community. As a key component of the flood risk reduction system in the region, Frd No 18 highlights the importance of sustainable water management practices for climate resilience.

While Frd No 18 has not been inspected recently and lacks an emergency action plan, its strategic location and design by the Natural Resources Conservation Service make it a significant asset for flood control efforts in Osage County. As water resource and climate enthusiasts, understanding the role of structures like Frd No 18 in safeguarding communities from the impacts of extreme weather events is essential for promoting sustainable water management practices and building climate resilience in the face of changing environmental conditions.