Frd No 3-7, also known as Upper Verdigris WS Dam 3 7, is a crucial water resource infrastructure located in Lyon County, Kansas, specifically in the city of Madison. This earth dam, designed by the USDA NRCS and completed in 1971, serves the primary purpose of flood risk reduction along the Rock Creek. With a height of 51 feet and a storage capacity of 6698.66 acre-feet, this dam plays a significant role in mitigating potential flooding events in the area.

Managed by the local government and regulated by the Kansas Department of Agriculture, Frd No 3-7 has a spillway width of 100 feet and a maximum discharge capacity of 5520 cubic feet per second. Despite being classified as having a significant hazard potential, the dam is currently in fair condition, with a moderate risk assessment rating. Regular inspections are conducted to ensure its structural integrity and functionality, with the last inspection taking place in November 2018.

For water resource and climate enthusiasts, Frd No 3-7 represents a vital piece of infrastructure that contributes to the management of water resources and the protection of communities from potential flood risks. Its presence along the Rock Creek in Kansas underscores the importance of sustainable water management practices and the role of earth dams in enhancing resilience to extreme weather events. With its strategic location and design, Frd No 3-7 stands as a testament to the ongoing efforts to safeguard water resources and promote climate resilience in the region.