Dam Lake Norconian South, located in Riverside, California, is a federal-owned earth dam constructed by the US Navy in 1928 for recreational purposes. This dam, also known as South Norconian Lake Dam, stands at a height of 15 feet and has a length of 500 feet, with a storage capacity of 453 acre-feet. The dam is situated on the West Norco Channel and is associated with one other structure.

Despite its fair condition assessment, Dam Lake Norconian South poses a high hazard potential and is regularly inspected every three years to ensure its safety. With a high risk assessment rating of 2, emergency action plans may need to be updated to meet guidelines in case of any potential threats to the dam's integrity. The US Navy is responsible for the operation, inspection, and regulatory aspects of this dam, emphasizing the importance of proper risk management measures to mitigate any potential risks associated with its high hazard potential. For water resource and climate enthusiasts, Dam Lake Norconian South serves as an intriguing case study in federal dam management and the intersection of recreational usage with infrastructure safety.