San Sevaine Basin #5 is a local government-owned earth dam located in Fontana, California, designed for debris control along the San Sevaine Creek. Completed in 2004, this dam stands at a height of 49 feet and has a storage capacity of 2765 acre-feet. With a drainage area of 11.2 square miles, it serves to reduce flood risk in the region and has a spillway width, outlet gates, and locks for efficient water management.

The dam, with a surface area of 71 acres, has a high hazard potential but is in satisfactory condition according to a 2017 assessment. Inspected regularly, the dam meets state regulatory requirements for safety and undergoes enforcement and maintenance as needed. Located in San Bernardino County, the dam plays a crucial role in protecting the surrounding area from debris and flood damage, highlighting the importance of effective water resource management in the face of changing climate patterns.

Managed by the California Department of Water Resources, San Sevaine Basin #5 stands as a vital infrastructure for ensuring the safety and security of the community. With a focus on debris control and flood risk reduction, this dam exemplifies the proactive measures taken to safeguard water resources amidst the challenges posed by climate variability. As a key component of the local water infrastructure, its efficient operation and maintenance are essential for sustainable water management in the region.