Mcwilliams Reservoir
Low Hazard ConditionEmergency Action Plan: Not Required
Location
| State | Montana |
| County | Garfield |
| Nearest City | NO TOWN |
| River/Stream | RED BUTTE CREEK |
| Coordinates | 46.95400, -106.41780 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 34 ft |
| Dam Height | 34 ft |
| Dam Length | 1,125 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 1,080 acre-ft |
| Max Storage | 1,080 acre-ft |
| Normal Storage | 742 acre-ft |
Ownership & Safety
| Purpose | Irrigation |
| Owner | GARY/JOHN/MABEL JOHNSON |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |