Olson
California — Napa County — Ledgewood Creek
Location
| State | California |
| County | Napa |
| River | Ledgewood Creek |
| Coordinates | 38.32000, -122.09000 |
Physical Characteristics
| NID Height | 45 ft |
| Dam Height | 45 ft |
| Dam Length | 646 ft |
| NID Storage | 200 acre-ft |
| Max Storage | 200 acre-ft |
| Surface Area | 13 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Satisfactory |
| EAP Status | Yes |
| Last Inspection | January 13, 2026 |
| Inspection Frequency | 1 |
Dam Information
| Year Completed | 1955 |
| Primary Purpose | Water Supply |
| Dam Type | Earth |
| Owner Type | Private |
| Owner | Precision Vineyards, LLC |
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.