Big Indian Creek 3-A in Gage, Nebraska, is a local government-owned earth dam designed by the USDA NRCS for flood risk reduction purposes. Completed in 1966, this dam stands at a height of 37 feet with a length of 1032 feet, offering a storage capacity of 1678 acre-feet. Situated on the TR-Big Indian Creek, it serves to regulate water flow and reduce the risk of flooding in the region, with a low hazard potential and satisfactory condition assessment as of the last inspection in April 2016.

Managed by the Nebraska Department of Natural Resources, Big Indian Creek 3-A has state jurisdiction and regulatory oversight, with permitting and inspection processes in place to ensure its operational integrity. The dam's hydraulic height matches its structural height at 32 feet, with a drainage area of 4.3 square miles and a maximum discharge capacity of 2235 cubic feet per second. Despite its age, the dam continues to function effectively in mitigating flood risks and protecting the surrounding community in Wymore.

With a focus on flood risk reduction, Big Indian Creek 3-A plays a crucial role in water resource management within the Omaha District. Its foundation of soil and core composed of stone contribute to its stability, while the dam's location in NES5T1R6E reinforces its strategic position for managing water flow along the Big Indian Creek. As climate change impacts intensify, this infrastructure serves as a vital component in safeguarding the local area against the threats of flooding, highlighting the importance of ongoing maintenance and monitoring to ensure its continued effectiveness in the face of evolving environmental challenges.