Dd No H-11 is a vital flood risk reduction structure located in Franklin County, Kansas, along the North Fork Sac Branch Pott Creek. Built in 2002, this earth dam stands at a height of 31 feet and stretches 1000 feet in length, providing a storage capacity of 400 acre-feet. With a primary purpose of flood risk reduction, Dd No H-11 also serves to control debris in the area.

Managed by the Kansas Department of Agriculture, this dam is regulated and inspected by state authorities to ensure its structural integrity and effectiveness in mitigating flood hazards. Though rated as having low hazard potential, the dam is considered to have moderate risk (3) and has not undergone a formal condition assessment. With a spillway width of 40 feet and a maximum discharge capacity of 1120 cubic feet per second, Dd No H-11 is designed to handle significant water flow during periods of high rainfall.

Located within the Tulsa District of the US Army Corps of Engineers, Dd No H-11 plays a crucial role in protecting the surrounding area from potential flooding events. Its low hazard potential, combined with regular state oversight, underscores the importance of this structure in managing water resources and climate-related risks in the region.