Cortez Tank, located in Gila Bend, Arizona, is a privately owned water resource with a primary purpose of providing fire protection, stock watering, and serving as a small fish pond. Managed by the Arizona Department of Water Resources, this earth dam structure stands at 15 feet high and has a storage capacity of 114 acre-feet, covering a surface area of 15.2 acres. With a spillway width of 18 feet and a low hazard potential, Cortez Tank plays a crucial role in maintaining water supply for the surrounding area.

Situated along the Gila River, Cortez Tank serves as a vital water source for the Maricopa County community, offering a reliable supply for both agricultural and residential needs. Although the dam's condition assessment is currently not rated, its inspection frequency of every 5 years ensures regular monitoring and maintenance to uphold its structural integrity. With a moderate risk assessment level and low hazard potential, Cortez Tank remains a key asset in the region's water resource management strategy for both emergency preparedness and sustainable water usage.

Despite its status as a privately owned structure, Cortez Tank plays a significant role in water conservation efforts in the area. With a solid regulatory framework in place and a history of state inspection and enforcement, this water resource stands as a testament to effective collaboration between private ownership and governmental oversight in ensuring the sustainability and safety of water resources in the region.