Round Mountain
Round Mountain is an earth dam located in Mendocino County, California, built in 1964. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Round Mountain
Round Mountain is a dam in Mendocino, California. The dam is owned by Ubaldo Melecio Juavez (private). It impounds the Tr York Creek near The Forks.
The dam stands 43 feet tall and stretches 475 feet across, creates a reservoir covering 17 acres, has a maximum storage capacity of 282 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1964, the structure is well into its service life at over 50 years old.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 10/30/2024.
At 43 feet, this dam is taller than 89% of dams nationwide.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The California dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | California |
| County | Mendocino |
| Nearest City | The Forks |
| River/Stream | Tr York Creek |
| Coordinates | 39.21180, -123.22970 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 43 ft |
| Dam Height | 43 ft |
| Dam Length | 475 ft |
| Year Completed | 1964 (62 years old) |
Storage & Hydraulics
| NID Storage | 282 acre-ft |
| Max Storage | 282 acre-ft |
| Surface Area | 17 acres |
| Drainage Area | 1 sq mi |
Ownership & Safety
| Purpose | Other |
| Owner | Ubaldo Melecio Juavez |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/30/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CA00974 |
| Federal ID | CA00974 |
| More Info | State Dam Safety Program |