Big Mac #1
Low Hazard ConditionEmergency Action Plan: Not Required
Location
| State | Montana |
| County | Garfield |
| Nearest City | JORDAN |
| River/Stream | TR-BIG DRY CREEK |
| Coordinates | 47.29200, -107.05060 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 35 ft |
| Dam Height | 35 ft |
| Dam Length | 500 ft |
| Year Completed | 1947 (79 years old) |
Storage & Hydraulics
| NID Storage | 157 acre-ft |
| Max Storage | 157 acre-ft |
| Normal Storage | 99 acre-ft |
| Drainage Area | 3 sq mi |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | MACDONALD, JOHN J & SONS |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |