Offerdahl-johnson Dam
Low Hazard ConditionEmergency Action Plan: Not Required
Location
| State | Montana |
| County | Phillips |
| Nearest City | SACO |
| River/Stream | LITTLE SEVEN MILE CREEK |
| Coordinates | 48.00150, -107.66960 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 17 ft |
| Dam Height | 17 ft |
| Dam Length | 1,840 ft |
| Year Completed | 1980 (46 years old) |
Storage & Hydraulics
| NID Storage | 900 acre-ft |
| Max Storage | 900 acre-ft |
| Normal Storage | 900 acre-ft |
| Surface Area | 132 acres |
Ownership & Safety
| Purpose | Irrigation |
| Owner | AETNA INSURANCE COMPANY |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |