White Mountain, located in Apache County, Arizona, is a privately owned irrigation dam on Hall Creek. Built in 1929, this earth dam stands at 16 feet high and spans 1200 feet in length, with a storage capacity of 2391 acre-feet. The dam serves the primary purpose of irrigation, with a low hazard potential and a moderate risk assessment rating.

Managed by the Arizona Department of Water Resources, White Mountain is state-regulated and regularly inspected to ensure its safety and functionality. The dam features an uncontrolled spillway and a surface area of 480 acres, contributing to the irrigation needs of the surrounding area. With a drainage area of 5.6 square miles and a maximum discharge of 220 cubic feet per second, White Mountain plays a crucial role in water resource management in the region.

Despite its age, White Mountain remains a vital component of the local water infrastructure, providing essential irrigation water for agricultural purposes. With its efficient design and regular maintenance, this dam continues to support the water needs of the community while mitigating potential risks associated with its operation. For water resource and climate enthusiasts, White Mountain serves as a noteworthy example of sustainable water management practices in Arizona.