Big Mac #1
Montana — Garfield County
Location
| State | Montana |
| County | Garfield |
| Coordinates | 47.29200, -107.05060 |
Physical Characteristics
| NID Height | 35 ft |
| Dam Height | 35 ft |
| Dam Length | 500 ft |
| NID Storage | 157 acre-ft |
| Max Storage | 157 acre-ft |
| Surface Area | — |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | — |
| EAP Status | — |
| Last Inspection | — |
| Inspection Frequency | — |
Dam Information
| Year Completed | 1947 |
| Primary Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Dam Type | — |
| Owner Type | — |
| Owner | MACDONALD, JOHN J & SONS |
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.