Round Mountain is a privately owned dam located in Mendocino County, California, near the city of Ukiah. Built in 1964, this earth dam stands at a height of 43 feet and serves multiple purposes, including flood risk reduction, irrigation, recreation, and water supply. With a storage capacity of 282 acre-feet and covering a surface area of 17 acres, Round Mountain plays a crucial role in managing water resources in the region.

Managed by the California Department of Water Resources (DWR) under the Safety of Dams program, Round Mountain is subject to regular inspections and enforcement to ensure its structural integrity and safety. The dam's hazard potential is classified as high, but its condition assessment has been rated as satisfactory as of September 2017. The dam is designed to mitigate flood risks along the Tr York Creek and protect surrounding areas from potential inundation, highlighting its importance in water resource management and climate resilience efforts.

Despite its age, Round Mountain continues to play a vital role in the local water infrastructure, demonstrating the significance of proper maintenance and regulation of dams for flood control and water supply purposes. With its strategic location and key functions, Round Mountain serves as a crucial asset in safeguarding the community against potential water-related hazards and ensuring sustainable water management practices in the region.