Mcwilliams Reservoir
Montana — Garfield County
Location
| State | Montana |
| County | Garfield |
| Coordinates | 46.95400, -106.41780 |
Physical Characteristics
| NID Height | 34 ft |
| Dam Height | 34 ft |
| Dam Length | 1,125 ft |
| NID Storage | 1,080 acre-ft |
| Max Storage | 1,080 acre-ft |
| Surface Area | — |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | — |
| EAP Status | — |
| Last Inspection | — |
| Inspection Frequency | — |
Dam Information
| Year Completed | 1965 |
| Primary Purpose | Irrigation |
| Dam Type | — |
| Owner Type | — |
| Owner | GARY/JOHN/MABEL JOHNSON |
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.