Dina Bob Lake
California — Sonoma County — Tr Franz Cr
Location
| State | California |
| County | Sonoma |
| River | Tr Franz Cr |
| Coordinates | 38.61660, -122.68910 |
Physical Characteristics
| NID Height | 33 ft |
| Dam Height | 33 ft |
| Dam Length | 635 ft |
| NID Storage | 139 acre-ft |
| Max Storage | 139 acre-ft |
| Surface Area | 14 acres |
Safety Classification
| Hazard Potential | Significant |
| Condition Assessment | Satisfactory |
| EAP Status | Yes |
| Last Inspection | August 14, 2025 |
| Inspection Frequency | 1 |
Dam Information
| Year Completed | 1955 |
| Primary Purpose | Water Supply |
| Dam Type | Earth |
| Owner Type | Private |
| Owner | Robert D. Ogg |
Location Map
About This Dam Record
Dam safety data is maintained by the Army Corps of Engineers National Inventory of Dams (NID). High-hazard dams are those where failure could cause loss of life or major property damage downstream.