Mesa Reservoir, located in Yavapai, Arizona, is a privately owned water supply structure regulated by the Arizona Department of Water Resources. Built in 1935, this Earth dam stands at 35 feet in height and spans 1800 feet in length, with a storage capacity of 154 acre-feet. The reservoir primarily serves as a water supply source for the surrounding area, with a normal storage level of 111 acre-feet.

Despite its low hazard potential, Mesa Reservoir is classified as having a high risk level (2), indicating the need for thorough risk management measures. The reservoir has not been rated for its condition assessment, but receives regular inspections every five years to ensure its structural integrity. The dam does not have a spillway and is not equipped with outlet gates or locks, making it a straightforward water storage structure.

Water resource and climate enthusiasts interested in Mesa Reservoir will find it to be a historic and essential component of the region's water infrastructure. With its location on Lynx Creek and its crucial role in supplying water to the city of DEWEY, Mesa Reservoir stands as a testament to the importance of responsible water management in the face of changing climate conditions.