Dd No E-1, also known as Cimarron WS Dam E-1, is a crucial earth dam located in Dodge City, Kansas, designed by the Natural Resources Conservation Service. Completed in 1959, this dam primarily serves the purpose of flood risk reduction along the Arkansas River. With a height of 16.2 feet and a storage capacity of 200 acre-feet, Dd No E-1 plays a significant role in managing water resources in the region.

Despite its importance, Dd No E-1 is currently rated as having a high hazard potential and poor condition assessment. The dam, with a hydraulic height of 16 feet and a spillway width of 75 feet, poses a moderate risk according to available data. Regular inspections are conducted, with the last one in March 2020, and an inspection frequency of 3 is in place to ensure the safety and functionality of the structure.

Located within the Kansas City District, Dd No E-1 is under state regulation by the Kansas Department of Agriculture. As water resource and climate enthusiasts, understanding the significance and condition of dams like Dd No E-1 is crucial for effective management and conservation of water resources in the face of changing climate patterns and increased risks of extreme weather events.