Spring Valley Ranch is a privately owned dam located in Colfax, California, with a primary purpose of flood risk reduction. Constructed in 1958, this earth dam stands at 39 feet high and has a hydraulic height of 35 feet, providing a storage capacity of 60 acre-feet. The dam is regulated by the California Department of Water Resources (DWR) and undergoes regular inspections to ensure its structural integrity.

Situated on Tr Campbell Creek, the Spring Valley Ranch dam plays a crucial role in mitigating flood risks in the area while also supporting irrigation and water supply needs. The dam has a high hazard potential but has been assessed as satisfactory in condition, with the most recent inspection in January 2021. With its strategic location and significant storage capacity, this dam serves as a key infrastructure for water resource management in Placer County.

Managed by the Natural Resources Conservation Service, Spring Valley Ranch dam continues to play a vital role in safeguarding the surrounding communities from potential flooding events. With its satisfactory condition assessment and regular inspections, the dam stands as a testament to effective water resource management and climate resilience efforts in the region.