Santa Rosa Creek Reservoir, also known as Spring Lake, is a local government-owned earth dam located in Santa Rosa, California. Completed in 1963, this reservoir serves multiple purposes including flood risk reduction, recreation, and water supply. With a height of 37 feet and a hydraulic height of 27.5 feet, it has a storage capacity of 3,550 acre-feet and covers a surface area of 154 acres.

Managed by the Natural Resources Conservation Service, Santa Rosa Creek Reservoir is regulated by the California Department of Water Resources for safety and inspection. The dam's hazard potential is categorized as high, but its condition assessment as of September 2017 was deemed satisfactory. The reservoir is situated on Santa Rosa Creek and has a drainage area of 0.55 square miles, highlighting its importance in managing water resources in the region.

Surrounded by picturesque landscapes and offering recreational opportunities such as fishing and boating, Santa Rosa Creek Reservoir is not only a vital infrastructure for flood control but also a popular spot for outdoor enthusiasts. Its strategic location in Sonoma County, coupled with its significant role in water supply management, makes it a noteworthy site for those interested in sustainable water resource management and climate resilience efforts.