Sams #1 is an earth dam located in Powder River County, Montana, built in 1944. It carries a Low hazard potential classification.
Dam profile
NID height · 22 ft22 ft tall and 400 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 Sams #1
The primary purpose of Sams #1 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Leroy Sams (private). It impounds the North Fork Three Bar Creek near Broadus.
The dam stands 22 feet tall and stretches 400 feet across, and has a maximum storage capacity of 135 acre-feet. Completed in 1944, the structure is well-established, with more than 75 years of service.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life.
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Location
| State | Montana |
| County | Powder River |
| Nearest City | Broadus |
| River/Stream | North Fork Three Bar Creek |
| Coordinates | 45.03650, -105.65110 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 400 ft |
| Year Completed | 1944 (82 years old) |
Storage & Hydraulics
| NID Storage | 135 acre-ft |
| Max Storage | 135 acre-ft |
| Normal Storage | 125 acre-ft |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Leroy Sams |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT01734 |
| Federal ID | MT01734 |
| More Info | State Dam Safety Program |