South Branch 2-2 is a local government-owned earth dam located in Burr, Nebraska, within the Otoe County. Constructed by the USDA NRCS in 1992, this structure serves primarily for flood risk reduction along the TR-S FK Little Nemaha River. With a height of 29 feet and a length of 935 feet, the dam has a storage capacity of 163 acre-feet and a drainage area of 0.7 square miles.

Managed by the Nebraska Department of Natural Resources, South Branch 2-2 has a low hazard potential and is in satisfactory condition based on a 2016 assessment. The dam has a hydraulic height of 27 feet and a structural height of 33 feet, providing essential protection to the surrounding area. Despite its critical purpose, the dam is currently not under the authority of any federal agency and has not undergone recent modifications or emergency action plan updates.

For water resource and climate enthusiasts, South Branch 2-2 serves as a vital infrastructure for flood control in the region, showcasing the collaborative effort between local and state agencies to ensure the safety and resilience of the community. With its stone core and soil foundation, this earth dam stands as a testament to the importance of sustainable water management practices in safeguarding against natural disasters and preserving the integrity of the Little Nemaha River watershed.