Located in Burdett, Kansas, Dd No 6-20, also known as Pawnee Watershed Dam 6-20, is a vital structure designed by USDA NRCS to mitigate flood risks along the Pawnee River. This earth dam, with a height of 38 feet and a hydraulic height of 37 feet, serves as a crucial flood risk reduction measure in Hodgeman County. Its primary purpose is flood risk reduction, with a storage capacity of 1045.79 acre-feet and a normal storage of 67 acre-feet.

Managed by the local government and regulated by the Kansas Department of Agriculture, this dam has a low hazard potential and a moderate risk assessment rating. With a spillway width of 100 feet and uncontrolled spillway type, Dd No 6-20 plays a significant role in safeguarding the surrounding area from potential flooding events. Despite not being currently rated for condition assessment, its strategic location and design contribute to its effectiveness in managing water resources in the region. Enthusiasts of water resources and climate will find Dd No 6-20 to be a noteworthy example of sustainable infrastructure in Kansas.