Long Branch 61, located in Humboldt, Nebraska, is a local government-owned earth dam designed by the USDA NRCS with a primary purpose of flood risk reduction. Completed in 1986, this dam stands at a height of 31 feet and has a hydraulic height of 29 feet, with a normal storage capacity of 61 acre-feet. The dam, constructed with stone core and soil foundation, spans a length of 790 feet and has a drainage area of 1.3 square miles.

Managed by the Nebraska Department of Natural Resources, Long Branch 61 is regulated, permitted, inspected, and enforced by state authorities. With a low hazard potential and satisfactory condition assessment, the dam has a five-year inspection frequency to ensure its structural integrity and safety. The last inspection conducted in May 2019 deemed the dam to be in satisfactory condition, highlighting its importance in mitigating flood risks in the area.

Situated along the Long Branch Creek and within the Omaha District, Long Branch 61 serves as a vital infrastructure for flood control and water resource management in Nemaha County, Nebraska. With its strategic location and design, this dam plays a crucial role in safeguarding the community from potential flooding events and exemplifies the collaborative efforts between federal and state agencies in enhancing water resilience and climate adaptation measures.