Ackley Lake Dam
Montana — Judith Basin County
Location
| State | Montana |
| County | Judith Basin |
| Coordinates | 46.95857, -109.93290 |
Physical Characteristics
| NID Height | 55 ft |
| Dam Height | 55 ft |
| Dam Length | 3,514 ft |
| NID Storage | 8,315 acre-ft |
| Max Storage | 8,315 acre-ft |
| Surface Area | 260 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Satisfactory |
| EAP Status | — |
| Last Inspection | — |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1938 |
| Primary Purpose | Irrigation |
| Dam Type | — |
| Owner Type | — |
| Owner | STATE WATER PROJECTS |
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.