Emmons #1
Emmons #1 is an earth dam located in Powder River County, Montana, built in 1955. It carries a Low hazard potential classification.
About Emmons #1
The primary purpose of Emmons #1 is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Emmons Ranch Inc (private). It impounds the Mizpah Creek near Locate.
The dam stands 20 feet tall and stretches 200 feet across, and has a maximum storage capacity of 150 acre-feet. Completed in 1955, the structure is well into its service life at over 50 years old.
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 | Locate |
| River/Stream | Mizpah Creek |
| Coordinates | 45.57210, -105.48450 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 200 ft |
| Year Completed | 1955 (71 years old) |
Storage & Hydraulics
| NID Storage | 150 acre-ft |
| Max Storage | 150 acre-ft |
| Normal Storage | 77 acre-ft |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | EMMONS RANCH INC |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT01834 |
| Federal ID | MT01834 |
| More Info | State Dam Safety Program |