Alta Loma Basin #1 is a vital flood risk reduction structure located in Alta Loma, California, along the Alta Loma Channel. Completed in 1964, this earth dam stands at a height of 30 feet and has a storage capacity of 70 acre-feet. With a drainage area of 1.98 square miles, it plays a crucial role in mitigating potential flooding in the region, making it a key asset for water resource management in San Bernardino County.

Managed by the local government with state regulation and enforcement, Alta Loma Basin #1 has a high hazard potential but is currently assessed to be in satisfactory condition as of September 2017. Regular inspections are conducted, with the last one taking place in December 2019, ensuring the dam's structural integrity and functionality. The primary purpose of this dam is flood risk reduction, showcasing its importance in safeguarding the surrounding communities from potential water-related disasters.

With its strategic location and effective design, Alta Loma Basin #1 stands as a critical infrastructure for flood control in the region. Its history of service and maintenance, along with its significant storage capacity, highlights its importance in preserving water resources and ensuring climate resilience in the face of potential natural disasters. For water resource and climate enthusiasts, this dam serves as a prime example of sustainable infrastructure that plays a crucial role in protecting communities and enhancing water security.