Br-43 Retention Dam
Low HazardNot Rated ConditionEmergency Action Plan: Not Required
Location
| State | Montana |
| County | Blaine |
| Nearest City | DODSON |
| River/Stream | THIRTYMILE CK./MILK RIVER |
| Coordinates | 48.60589, -108.78509 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 21 ft |
| Dam Length | 385 ft |
| Year Completed | 1936 (90 years old) |
Storage & Hydraulics
| NID Storage | 53 acre-ft |
| Max Storage | 53 acre-ft |
| Normal Storage | 53 acre-ft |
| Surface Area | 13 acres |
| Drainage Area | 1 sq mi |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | DOI BLM |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 09/01/2017 |
| Emergency Action Plan | Not Required |