Mcnab Dam
Montana — Valley County
Location
| State | Montana |
| County | Valley |
| Coordinates | 48.32476, -107.21286 |
Physical Characteristics
| NID Height | 39 ft |
| Dam Height | — |
| Dam Length | 396 ft |
| NID Storage | 172 acre-ft |
| Max Storage | 172 acre-ft |
| Surface Area | 11 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Unsatisfactory |
| EAP Status | — |
| Last Inspection | — |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 2003 |
| Primary Purpose | — |
| Dam Type | — |
| Owner Type | — |
| Owner | DOI BLM |
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.