Aowa Creek 43-9a is a vital structure located in Dixon, Nebraska, designed by the USDA NRCS to serve as a flood risk reduction measure along the TR-Aowa Creek. Completed in 1999, this earth dam stands at a height of 50 feet and has a hydraulic height of 49 feet, with a structural height of 65 feet. The dam spans a length of 1076 feet and has a storage capacity of 1373 acre-feet, with a normal storage of 332 acre-feet on its 40-acre surface area.

Managed by the local government and regulated by the NE DNR, Aowa Creek 43-9a is inspected every five years and has been deemed to have low hazard potential with a satisfactory condition assessment as of May 2017. It plays a crucial role in protecting the surrounding area from potential flood risks, with a maximum discharge capacity of 3404 cubic feet per second. With its strategic location and effective design, Aowa Creek 43-9a stands as a testament to effective water resource management and climate resilience efforts in the region.