Duvall
California — Napa County — Tr Pope Creek
Location
| State | California |
| County | Napa |
| River | Tr Pope Creek |
| Coordinates | 38.64290, -122.47110 |
Physical Characteristics
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 1,500 ft |
| NID Storage | 242 acre-ft |
| Max Storage | 242 acre-ft |
| Surface Area | 17 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Satisfactory |
| EAP Status | Yes |
| Last Inspection | November 4, 2025 |
| Inspection Frequency | 1 |
Dam Information
| Year Completed | 1940 |
| Primary Purpose | Other |
| Dam Type | Earth |
| Owner Type | Private |
| Owner | Jim Collins |
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.