Aowa Creek 6-7a is a significant dam located in Dixon, Nebraska, with a primary purpose of flood risk reduction. This earthen dam, completed in 1980 by USDA NRCS, stands at a height of 54 feet and has a storage capacity of 2950.6 acre-feet. Situated on Aowa Creek, the dam plays a crucial role in mitigating flood risks for the surrounding area, with a low hazard potential and a satisfactory condition assessment as of August 2020.

Managed by the Nebraska Department of Natural Resources, Aowa Creek 6-7a is subject to state regulation, inspection, and enforcement to ensure its continued safety and effectiveness. The dam's location in SES26T31R4E and its proximity to Newcastle underline its importance in protecting the community from potential flooding events. With a drainage area of 14.4 square miles and a maximum discharge capacity of 10,405 cubic feet per second, this dam is a vital infrastructure for water resource management in the region.

Despite its critical role in flood risk reduction, Aowa Creek 6-7a maintains a low hazard potential and is deemed to be in satisfactory condition. Regular inspections and a 5-year inspection frequency help ensure the dam's continued functionality and safety. As part of the broader efforts to manage water resources and mitigate climate-related risks, Aowa Creek 6-7a stands as a testament to effective infrastructure design and management in protecting communities from potential flood events in Nebraska.