Three Mile Reservoir (L.&C.)
Montana — Lewis and Clark County — THREE MILE CREEK
Location
| State | Montana |
| County | Lewis and Clark |
| River | THREE MILE CREEK |
| Coordinates | 46.69662, -112.18142 |
Physical Characteristics
| NID Height | 70 ft |
| Dam Height | 70 ft |
| Dam Length | 470 ft |
| NID Storage | 300 acre-ft |
| Max Storage | 300 acre-ft |
| Surface Area | 3 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Poor |
| EAP Status | Yes |
| Last Inspection | October 20, 2021 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1926 |
| Primary Purpose | Irrigation |
| Dam Type | Earth |
| Owner Type | Private |
| Owner | GRANT WILLIAMS |
| Other Name | Dam Nancy |
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.