Rattlesnake Reservoir
Low Hazard ConditionEmergency Action Plan: Not Required
Location
| State | Montana |
| County | Yellowstone |
| Nearest City | HUNTLEY |
| River/Stream | TWELVEMILE CREEK-OFFSTREAM |
| Coordinates | 45.89620, -108.42470 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 14 ft |
| Dam Height | 14 ft |
| Dam Length | 4,752 ft |
| Year Completed | 1909 (117 years old) |
Storage & Hydraulics
| NID Storage | 715 acre-ft |
| Max Storage | 715 acre-ft |
| Normal Storage | 715 acre-ft |
| Surface Area | 179 acres |
Ownership & Safety
| Purpose | Irrigation |
| Owner | BILLINGS BENCH WATER ASS'N |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |