The Lower Jordan Dam in Nebraska, completed in 1941, serves as a key irrigation structure on the TR-Antelope Creek, with a primary purpose of supporting agricultural water needs in the region. Owned by the state and regulated by the NE DNR, this earth dam stands at 13 feet tall and has a storage capacity of 330 acre-feet. With a satisfactory condition assessment and low hazard potential, the dam has a hydraulic height of 12 feet and a structural height of 14 feet.

Located in Sioux County, Nebraska, the Lower Jordan Dam plays a crucial role in water resource management, providing a normal storage capacity of 138 acre-feet and a surface area of 37 acres. Managed by the state and subject to regular inspections, the dam has a maximum discharge of 3760 cubic feet per second and a drainage area of 2 square miles. Despite being non-federally owned, the dam meets state regulations and enforcement standards, ensuring its continued safe operation for irrigation purposes in the region.

With its stone core and soil foundation, the Lower Jordan Dam is a vital infrastructure for water supply and agriculture in the area. While lacking spillways or locks, the dam's design and construction have proven effective in meeting the water needs of the surrounding community. As climate change impacts water resources, the Lower Jordan Dam stands as a testament to the importance of sustainable water management practices in ensuring a reliable water supply for future generations.