South Branch 63, located in Johnson County, Nebraska, is a locally-owned earth dam completed in 1994 by the USDA NRCS with a primary purpose of flood risk reduction. The dam stands at 46 feet tall with a structural height of 40 feet and a length of 918 feet. It has a storage capacity of 536 acre-feet, with a normal storage of 98 acre-feet and a drainage area of 2.3 square miles. Despite its low hazard potential, the dam is regularly inspected by the Nebraska Department of Natural Resources to ensure its satisfactory condition.

Managed by the Natural Resources Conservation Service, South Branch 63 serves as a critical infrastructure for flood control along the South Fork Little Nemaha River. The dam's stone core and soil foundation contribute to its stability, with a maximum discharge capacity of 1,248 cubic feet per second. The dam covers a surface area of 15 acres and is situated within the Kansas City District, ensuring effective oversight and regulation. Its location in the city of Brock highlights its importance in protecting the local community from potential flood events.

With a history of successful flood risk reduction and a comprehensive inspection and maintenance program in place, South Branch 63 exemplifies effective water resource management in Nebraska. Its role in safeguarding the surrounding area from inundation underscores the importance of proactive infrastructure investment in mitigating the impacts of climate change. As a key component of the state's flood control strategy, this dam stands as a testament to the collaborative efforts between local government agencies and the USDA NRCS in ensuring the resilience of water resources in the region.