Mazour Irrigation Dam, located in Deweese, Nebraska along Liberty Creek, stands as a vital structure for agricultural water management in the region. Built in 1981 by the USDA NRCS, this earth dam with a height of 21 feet serves primarily for irrigation purposes. With a storage capacity of 120 acre-feet, the dam covers a surface area of 10 acres and drains a watershed area of 0.5 square miles.

Managed by a private owner, Mazour Irrigation Dam is regulated by the Nebraska Department of Natural Resources and undergoes state inspections regularly to ensure its structural integrity. With a low hazard potential and a satisfactory condition assessment, the dam has a history of reliable performance in delivering water for irrigation needs. The dam's spillway type, outlet gates, and other associated structures are not specified in the available data, but its hydraulic height of 20 feet and structural height of 24 feet highlight its efficiency in managing water flow.

In the event of emergencies, Mazour Irrigation Dam's emergency action plan (EAP) status and risk management measures remain unspecified. However, with its last inspection conducted in May 2018 and a designated inspection frequency of 5 years, the dam continues to play a crucial role in supporting agriculture in Clay County, Nebraska. Climate and water resource enthusiasts would find Mazour Irrigation Dam an integral component in the local water infrastructure, showcasing the intersection of human ingenuity and environmental stewardship in sustaining agricultural practices.