Frd No 6-1, also known as Upper Verdigris Watershed Dam 6-1, is a local government-owned structure located in Virgil, Greenwood County, Kansas. Built in 1963 by the USDA NRCS, this earth dam stands at a height of 37 feet and serves the primary purpose of flood risk reduction in the area. With a storage capacity of 813.55 acre-feet and a drainage area of 2.22 square miles, Frd No 6-1 plays a crucial role in managing water flow from the Verdigris River to prevent flooding in the region.

This dam features an uncontrolled spillway with a width of 60 feet and has a hazard potential rated as low. The structure has not been assessed for its condition but is noted to meet regulatory requirements in Kansas, with state permitting, inspection, and enforcement in place. The risk assessment for Frd No 6-1 indicates a moderate risk level (3), highlighting the importance of ongoing monitoring and management to ensure the safety and effectiveness of the dam in mitigating flood risks in the area.

Despite its age, Frd No 6-1 continues to serve as a critical infrastructure for flood risk reduction in the Upper Verdigris Watershed. With its strategic location along the Verdigris River, this dam plays a key role in protecting the surrounding communities from potential flooding events. As water resource and climate enthusiasts, it is essential to recognize the significance of structures like Frd No 6-1 in safeguarding our environment and supporting sustainable water management practices in the region.