Weigand Reservoir East
Weigand Reservoir East is an earth dam located in Phillips County, Montana. It carries a High hazard potential classification.
About Weigand Reservoir East
Weigand Reservoir East is a dam in Phillips, Montana. The dam is owned by Bia (federal). It impounds the Mud Creek near Dodson.
The dam stands 21 feet tall and stretches 530 feet across, creates a reservoir covering 1,654 acres, has a maximum storage capacity of 21,558 acre-feet, and collects water from a drainage area of 62 square miles.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Notably, no emergency action plan is currently on file for this high-hazard dam.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Montana dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Montana |
| County | Phillips |
| Nearest City | Dodson |
| River/Stream | Mud Creek |
| Coordinates | 48.24250, -108.35694 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 530 ft |
Storage & Hydraulics
| NID Storage | 21,558 acre-ft |
| Max Storage | 21,558 acre-ft |
| Normal Storage | 4,764 acre-ft |
| Surface Area | 1,654 acres |
| Drainage Area | 62 sq mi |
| Spillway Type | None |
Ownership & Safety
| Owner | BIA |
| Owner Type | Federal |
| Hazard Classification | High |
| Condition Assessment | Not Rated |
| Emergency Action Plan | No |
Identifiers
| NID ID | MT04017 |
| Federal ID | MT00311S001 |
| More Info | State Dam Safety Program |