Joshua Crosby, located in Mohave, Arizona, is a private irrigation dam designed by the USDA NRCS and regulated by the Arizona Department of Water Resources. Completed in 1944, this earth dam stands at a height of 14 feet and spans 365 feet in length, with a storage capacity of 104 acre-feet. The dam serves the primary purpose of irrigation along the Langs Wash - OS river system.

With a low hazard potential and a moderate risk assessment rating, Joshua Crosby has not been inspected since September 2006, with a scheduled inspection frequency of 5 years. The dam features an uncontrolled spillway and outlet gates, and is situated in St. George, Utah. While its condition assessment is currently not rated, the dam's risk management measures and emergency action plan status remain unspecified.

For water resource and climate enthusiasts, Joshua Crosby presents an intriguing case study of a privately owned irrigation dam in the desert landscape of Arizona, highlighting the importance of sustainable water management practices and regulatory oversight. As a vital piece of infrastructure in the region, understanding the operational and maintenance aspects of dams like Joshua Crosby is crucial for ensuring the safety and efficiency of water resource utilization in arid environments.