The Etiwanda Debris Basin, located in San Bernardino, California, along the East Etiwanda Creek, serves as a critical infrastructure for flood risk reduction in the region. Completed in 2008, this earth dam stands at a height of 50.5 feet, with a hydraulic height of 37 feet, providing a storage capacity of 283 acre-feet. The basin covers a surface area of 24.9 acres, with a drainage area of 5.42 square miles, making it an essential asset in managing water resources and mitigating flood risks in the area.

Managed by the local government and regulated by the California Department of Water Resources (DWR), the Etiwanda Debris Basin is subject to regular inspections to ensure its structural integrity and functionality. The dam has been assessed as satisfactory, with a high hazard potential due to its purpose of flood risk reduction. Emergency action plans are in place to address any potential risks, with the last revision of the plan conducted in March 2021. With its crucial role in protecting the surrounding communities from flooding, the Etiwanda Debris Basin stands as a vital component of water resource management and climate resilience efforts in the region.

As a key piece of infrastructure in the flood risk reduction strategy for San Bernardino, the Etiwanda Debris Basin plays a crucial role in safeguarding the area from potential disasters. With its strategic location along the East Etiwanda Creek and its significant storage capacity, the basin provides essential protection against flooding events. Regular inspections and maintenance ensure that the dam remains in satisfactory condition, ready to fulfill its purpose in mitigating flood risks and ensuring the safety of the community. The Etiwanda Debris Basin stands as a testament to effective water resource management and climate adaptation efforts in California, highlighting the importance of investing in resilient infrastructure to protect vulnerable areas from the impacts of extreme weather events.