Dry Creek South 4-A is a local government-owned earth dam located in Red Willow, Nebraska, designed by the USDA NRCS with the primary purpose of Flood Risk Reduction. Completed in 1965, this dam stands at a height of 34 feet with a hydraulic height of 32 feet and a structural height of 42 feet. It has a length of 622 feet and a storage capacity of 546 acre-feet, serving a drainage area of 3.1 square miles.

Managed by the NE DNR, this dam has a low hazard potential and is currently in satisfactory condition as of the last inspection in May 2019. With a normal storage capacity of 97 acre-feet and a maximum discharge of 1327 cubic feet per second, Dry Creek South 4-A plays a crucial role in mitigating flood risks in the region. While it does not have a spillway or outlet gates, this dam continues to be regulated, inspected, and enforced by state authorities to ensure its safety and functionality for the community.

For water resource and climate enthusiasts, Dry Creek South 4-A offers a fascinating example of local government infrastructure designed for flood risk reduction in Nebraska. With its earth dam structure and stone core, this facility provides essential storage and discharge capabilities to protect the surrounding area from potential flooding events. As it continues to be monitored and maintained by state regulators, this dam stands as a vital asset in safeguarding the community against water-related hazards and underscores the importance of sustainable water resource management practices in the face of a changing climate.