Agate Allot 1 Dam, located in Ardmore SD, Nebraska, is a Federal-owned structure primarily designed for fire protection, stock, and small fish pond purposes. Completed in 1936, this Earth type dam stands at a height of 23.4 feet with a storage capacity of 153.4 acre-feet. The dam's location on TR-Long Branch Creek in Sioux County makes it an essential resource for water management in the region.

Despite its historical significance, Agate Allot 1 Dam is currently assessed to be in poor condition, with a low hazard potential. The dam's inspection frequency is set at 5 years, with the last assessment conducted in August 2019. The State of Nebraska, through the Nebraska Department of Natural Resources, regulates and inspects the dam to ensure its structural integrity and safety for the surrounding community.

Water resource and climate enthusiasts will appreciate the role of Agate Allot 1 Dam in providing essential water storage and fire protection services in Sioux County. As a Federal-owned structure with a long history, the dam's current poor condition raises concerns about its long-term sustainability and highlights the need for ongoing maintenance and upgrades to ensure its continued functionality for the community's benefit.