Frd No 4-12, also known as Twin Caney Watershed Dam 4 12, is a local government-owned structure located in Chautauqua County, Kansas. This earth-type dam, constructed in 1965 by the USDA NRCS, serves the primary purpose of flood risk reduction along the Middle Caney Creek. Standing at a height of 38 feet with a hydraulic height of 35 feet, the dam has a storage capacity of 1223.15 acre-feet and a surface area of 16.83 acres.

With a low hazard potential and a moderate risk assessment rating, Frd No 4-12 is regulated, permitted, inspected, and enforced by the Kansas Department of Agriculture. The dam does not have outlet gates and features an uncontrolled spillway with a width of 70 feet. Although the condition assessment is not rated, the dam is currently not considered to be at risk for failure. Overall, Frd No 4-12 plays a crucial role in managing flood risk in the area and ensuring the safety of surrounding communities and water resources in the event of heavy rainfall or severe weather events.