Gs Dd No 11-7 is a debris control dam located in Brown County, Kansas, with a primary purpose of debris control and flood risk reduction. The dam is owned by the local government and regulated by the Kansas Department of Agriculture. It has a low hazard potential and a moderate risk assessment rating.

Constructed with an earth dam type and buttress core, Gs Dd No 11-7 stands at a height of 31 feet and spans a length of 600 feet. The dam has a storage capacity of 229.56 acre-feet and a normal storage level of 12 feet. It also features an uncontrolled spillway with a width of 40 feet and a maximum discharge capacity of 1360 cubic feet per second.

Despite not being rated for condition assessment, Gs Dd No 11-7 serves as a vital infrastructure for managing debris and reducing flood risks in the area. With its location in the Rock Island District and oversight by the local government, the dam plays a crucial role in safeguarding the surrounding community and water resources.