Lafranchi Creek in Sonoma, California, is a privately owned water supply dam constructed in 1982. The dam stands at a height of 23 feet and has a hydraulic height of 19 feet, with a length of 965 feet. Its primary purpose is for irrigation and water supply, with a storage capacity of 100 acre-feet. The dam is regulated by the California Department of Water Resources (DWR) under the Safety of Dams program, ensuring its safety and compliance with state regulations.

Located in the city of Kellogg, Lafranchi Creek Dam plays a vital role in managing water resources in the region. The dam has a significant hazard potential, but its condition assessment in 2017 deemed it satisfactory. Regular inspections are conducted, with the last one taking place in August 2020. The dam is designed to mitigate risks and meet emergency preparedness guidelines, although specific measures for risk management and emergency response are not outlined in the available data.

With a focus on water supply, Lafranchi Creek Dam serves as a key infrastructure for the community, supporting agricultural irrigation and domestic water needs. Its strategic location in Sonoma County underscores the importance of sustainable water management practices in the face of climate change and shifting hydrological patterns. Enthusiasts of water resources and climate adaptation can appreciate the role that Lafranchi Creek Dam plays in safeguarding water security in the region while navigating the challenges posed by an evolving climate landscape.