Winifred, North is an earth dam located in Fergus County, Montana, built in 1936. It carries a Significant hazard potential classification.
Dam profile
NID height · 24 ft24 ft tall and 820 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Winifred, North
The primary purpose of Winifred, North is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Ed and Connie Heggem (private). It impounds the Tr-dog Creek near Winifred.
The dam stands 24 feet tall and stretches 820 feet across, and has a maximum storage capacity of 465 acre-feet. Completed in 1936, the structure is well-established, with more than 75 years of service.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life.
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Location
| State | Montana |
| County | Fergus |
| Nearest City | Winifred |
| River/Stream | Tr-dog Creek |
| Coordinates | 47.56540, -109.39310 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 820 ft |
| Year Completed | 1936 (90 years old) |
Storage & Hydraulics
| NID Storage | 465 acre-ft |
| Max Storage | 465 acre-ft |
| Normal Storage | 312 acre-ft |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Ed and Connie Heggem |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT00091 |
| Federal ID | MT00091 |
| More Info | State Dam Safety Program |