Walnut Creek 1, located in Saline, Nebraska, is a crucial flood risk reduction structure designed by USDA NRCS in 1979. This earth dam stands at a height of 25 feet and has a structural height of 28 feet, with a length of 805 feet and a storage capacity of 492 acre-feet. Its primary purpose is flood risk reduction, serving to protect the surrounding area from potential inundation during heavy rainfall events. The dam is regulated, permitted, inspected, and enforced by the Nebraska Department of Natural Resources, ensuring its functionality and safety.

With a significant hazard potential and a satisfactory condition assessment, Walnut Creek 1 plays a vital role in managing water resources in the region. The dam has a normal storage capacity of 75 acre-feet and covers a surface area of 16 acres, serving a drainage area of 1.1 square miles. It has a maximum discharge capacity of 970 cubic feet per second, providing essential flood control measures for the community. The dam's last inspection in September 2020 deemed it to be in satisfactory condition, further highlighting its importance in maintaining the safety and security of the area.

Managed by the local government and situated in the Omaha District, Walnut Creek 1 is a key asset in the flood risk reduction infrastructure of Nebraska. With its strategic location along the TR-Walnut Creek, this earth dam continues to be a critical component in mitigating the impacts of extreme weather events on the surrounding environment. Through regular inspections and enforcement measures, the dam ensures the protection of the community against potential flooding, showcasing its essential role in water resource management and climate resilience efforts.