Frd No 8-34, also known as Twin Caney Watershed Dam 8 34, is a flood risk reduction structure located in Sedan, Kansas. Built in 1965 by the USDA NRCS, this dam is owned by the local government and regulated by the Kansas Department of Agriculture. With a height of 43 feet and a hydraulic height of 40 feet, the dam serves the primary purpose of flood risk reduction in the Rock Creek watershed.

The dam has a maximum storage capacity of 669 acre-feet and a normal storage capacity of 58 acre-feet. It has a low hazard potential and is currently rated as "Not Rated" in terms of condition assessment. The dam features a buttress core type and a spillway width of 55 feet. While it has not been modified in recent years, the dam does not have an Emergency Action Plan in place and there are no inspection records available.

Overall, Frd No 8-34 plays a crucial role in mitigating flood risks in the Chautauqua County area. As water resource and climate enthusiasts, it is important to monitor the condition of such structures to ensure their effectiveness in protecting communities and the environment from potential flood events.