Alta Loma Basin #2, located in Alta Loma, California, is a critical flood risk reduction structure along the Alta Loma Channel. Built in 1971, this earth dam stands at 22 feet in height and spans 3000 feet in length, with a storage capacity of 85 acre-feet. The dam's purpose is solely for flood risk reduction, serving as a crucial infrastructure to protect the surrounding areas from potential inundation during heavy rainfall events.

Managed by the local government and regulated by the California Department of Water Resources (DWR), Alta Loma Basin #2 is subject to regular inspections to ensure its structural integrity and safety. The dam has a high hazard potential but is currently assessed to be in satisfactory condition as of September 2017. Emergency action plans are in place, although details on their last revision and adherence to guidelines are not specified in the available data.

With its strategic location in San Bernardino County, California, and its vital role in mitigating flood risks along the Alta Loma Channel, Alta Loma Basin #2 serves as a key component of the region's water resource and climate resilience infrastructure. Enthusiasts and stakeholders in water management and climate adaptation can appreciate the significance of this dam in safeguarding the community from potential flooding events and the coordinated efforts involved in its regulation and maintenance.