Chollas Reservoir, located in San Diego, California, serves as a critical water resource managed by the local government. With a primary purpose of hydroelectric power generation and water supply, this earth dam stands at a height of 50 feet, with a hydraulic height of 40.4 feet. Completed in 1901, Chollas Reservoir has a storage capacity of 167 acre-feet and covers a surface area of 18 acres, drawing water from the Tr Chollas Creek.

Maintained by the California Department of Water Resources (DWR) and regulated by the Safety of Dams agency, Chollas Reservoir is subject to state permitting, inspection, and enforcement to ensure its structural integrity and safe operation. Despite its high hazard potential, the dam's condition assessment as of September 2017 is deemed satisfactory. With a notable proximity to the city of San Diego and under the jurisdiction of the state, Chollas Reservoir plays a vital role in water management and hydroelectric power generation for the region.

As a key component of the local water infrastructure, Chollas Reservoir not only contributes to water supply and hydroelectricity but also serves as a crucial asset for climate resilience in the face of changing environmental conditions. With its significant historical importance and ongoing regulatory oversight, Chollas Reservoir stands as a testament to the intersection of water resource management, climate adaptation, and infrastructure safety in California's dynamic landscape.