Pr-40 Retention Dam
Low HazardNot Rated ConditionEmergency Action Plan: Not Required
Location
| State | Montana |
| County | Phillips |
| Nearest City | HINSDALE |
| River/Stream | LARB CK./MILK RIVER |
| Coordinates | 48.43750, -107.44142 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 18 ft |
| Dam Length | 357 ft |
| Year Completed | 1942 (84 years old) |
Storage & Hydraulics
| NID Storage | 127 acre-ft |
| Max Storage | 127 acre-ft |
| Surface Area | 22 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | DOI BLM |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 08/16/2016 |
| Emergency Action Plan | Not Required |