Aowa Creek 31-5, located in Dixon County, Nebraska, is a vital structure designed by the USDA NRCS to address flood risk reduction and other purposes. Completed in 1976, this earth dam stands at a height of 44 feet and has a hydraulic height of 42 feet. With a structural height of 50 feet and a length of 1010 feet, it provides significant storage capacity with a normal storage of 13 acre-feet and a maximum storage of 114 acre-feet. The dam covers a surface area of 2 acres and serves a drainage area of 0.4 square miles, with a maximum discharge capacity of 78 cubic feet per second.

Managed by the local government and regulated by the Nebraska Department of Natural Resources, Aowa Creek 31-5 has a low hazard potential and is assessed to be in satisfactory condition. The dam is subject to regular inspections, with the last assessment conducted in April 2020. Despite its low risk profile, the structure plays a crucial role in mitigating flood risks in the area and ensuring the safety of nearby communities. With its strategic location and effective design, Aowa Creek 31-5 exemplifies the collaborative efforts between government agencies and conservation services in managing water resources and climate-related challenges in Nebraska.