Nelson Tank, located in Yavapai, Arizona, is a privately owned earth dam with a primary purpose of fire protection, stock, or small fish pond, among others. Managed by the Arizona Department of Water Resources, the tank has a storage capacity of 99 acre-feet and covers a surface area of 10.1 acres. Situated in Nelson Canyon near Peach Springs, the tank is regulated by the state and undergoes regular inspections to ensure its structural integrity and safety.

Constructed with a height of 19.6 feet and a length of 404 feet, Nelson Tank boasts a spillway width of 70 feet and a spillway type classified as uncontrolled. Despite its moderate risk assessment level, the tank has a low hazard potential and has not been rated for its current condition. With an emergency action plan in place and a designated inspection frequency of 5 years, Nelson Tank serves as a critical water resource in the region, supporting various purposes and ensuring water availability for livestock, firefighting, and recreational activities.

Overall, Nelson Tank stands as a vital water infrastructure in Yavapai County, Arizona, providing essential water storage and management capabilities for the community. With its strategic location in Nelson Canyon and state-regulated operations, the tank plays a crucial role in water conservation efforts and climate resilience initiatives in the region. As a low-hazard, privately owned structure with a variety of purposes, Nelson Tank showcases the importance of sustainable water resource management and the collaboration between private and state entities to ensure water security for both present and future generations.