Pr-40 Retention Dam
Montana — Phillips County — LARB CK./MILK RIVER
Location
| State | Montana |
| County | Phillips |
| River | LARB CK./MILK RIVER |
| Coordinates | 48.43750, -107.44142 |
Physical Characteristics
| NID Height | 18 ft |
| Dam Height | — |
| Dam Length | 357 ft |
| NID Storage | 128 acre-ft |
| Max Storage | 128 acre-ft |
| Surface Area | 23 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Not Rated |
| EAP Status | Not Required |
| Last Inspection | August 16, 2016 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1942 |
| Primary Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Dam Type | Gravity |
| Owner Type | Federal |
| Owner | DOI BLM |
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.