Hestan Vineyards Dam
California — Napa County
Location
| State | California |
| County | Napa |
| Coordinates | 38.32100, -122.10860 |
Physical Characteristics
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 700 ft |
| NID Storage | 146 acre-ft |
| Max Storage | 146 acre-ft |
| Surface Area | 11 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Fair |
| EAP Status | Yes |
| Last Inspection | November 6, 2025 |
| Inspection Frequency | 1 |
Dam Information
| Year Completed | — |
| Primary Purpose | Water Supply |
| Dam Type | Earth |
| Owner Type | Private |
| Owner | Stanley Cheng |
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.