Bonneau
Montana — Chouteau County
Location
| State | Montana |
| County | Chouteau |
| Coordinates | 48.29960, -109.86280 |
Physical Characteristics
| NID Height | 103 ft |
| Dam Height | 93 ft |
| Dam Length | 757 ft |
| NID Storage | 6,964 acre-ft |
| Max Storage | 6,964 acre-ft |
| Surface Area | 136 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Satisfactory |
| EAP Status | — |
| Last Inspection | — |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1940 |
| Primary Purpose | Irrigation |
| Dam Type | — |
| Owner Type | — |
| Owner | BIA |
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.