Frd No 4-3, also known as Upper Verdigris WS Dam No 4-3, is a local government-owned structure located in Greenwood County, Kansas. Built in 1962 by the USDA NRCS, this earth dam stands at a height of 35 feet and spans 970 feet in length. Its primary purpose is flood risk reduction, with additional functions including fire protection and providing water for stock or small fish ponds.

With a storage capacity of 495 acre-feet, Frd No 4-3 plays a crucial role in managing water resources in the area. The dam regulates the flow of the N Branch Verdigris River-TR and covers a surface area of 13.13 acres. While the hazard potential is rated as low, the risk assessment indicates a moderate level of risk (3). Despite not having a current condition assessment, the dam remains state-regulated, with inspections, permitting, and enforcement carried out by the Kansas Department of Agriculture.

The structure's emergency action plan status and risk management measures are not currently available, highlighting areas that may need improvement to ensure the continued safety and effectiveness of Frd No 4-3 in the face of potential climate challenges. As water resource and climate enthusiasts, staying informed about the condition and management of key infrastructure like this dam is vital for understanding and addressing the impacts of changing environmental conditions on our water systems.