Johnson Ranch
California — Mendocino County
Location
| State | California |
| County | Mendocino |
| Coordinates | 38.96560, -123.13300 |
Physical Characteristics
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 680 ft |
| NID Storage | 182 acre-ft |
| Max Storage | 182 acre-ft |
| Surface Area | 14 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Fair |
| EAP Status | Yes |
| Last Inspection | May 14, 2025 |
| Inspection Frequency | 1 |
Dam Information
| Year Completed | — |
| Primary Purpose | Irrigation |
| Dam Type | Earth |
| Owner Type | Private |
| Owner | Beckstoffer Vineyards |
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.