The Lake, also known as Fagan Lake, is a private water resource located in Pima County, Arizona. Managed by the Arizona Department of Water Resources, this earth dam stands at a height of 30.8 feet and spans 370 feet in length, providing essential functions such as fire protection, stock watering, and supporting small fish populations. With a storage capacity of 34.9 acre-feet and a surface area of 3.4 acres, The Lake serves as a crucial resource for the surrounding area.

Despite its low hazard potential, The Lake is subject to state regulation, inspection, and enforcement to ensure its structural integrity and safety. The dam's uncontrolled spillway, with a width of 41 feet, helps manage excess water flow during periods of high discharge. While the condition of the dam is currently not rated, its risk assessment is moderate, highlighting the need for ongoing monitoring and risk management measures. Positioned along an unnamed stream leading to Davidson Canyon, The Lake plays a vital role in water resource management in the region.

For water resource and climate enthusiasts, The Lake represents a prime example of a privately owned earth dam that supports various essential purposes for the community, from wildlife habitat creation to water storage for emergency situations. As a regulated structure under the jurisdiction of the Arizona Department of Water Resources, The Lake stands as a testament to the importance of maintaining and managing water resources in a sustainable and responsible manner. With its moderate risk assessment and low hazard potential, The Lake serves as a focal point for ongoing monitoring and risk management efforts to ensure the safety and efficiency of this vital water infrastructure.