Harmon Reservoir
Harmon Reservoir is an earth dam located in Roosevelt County, Montana, built in 1925. It carries a Low hazard potential classification.
About Harmon Reservoir
The primary purpose of Harmon Reservoir 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 Harmon Farms Inc (private). It impounds the Springdale Coulee near Nohly.
The dam stands 15 feet tall and stretches 500 feet across, and has a maximum storage capacity of 162 acre-feet. Completed in 1925, the structure is over a century 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 | Roosevelt |
| Nearest City | Nohly |
| River/Stream | Springdale Coulee |
| Coordinates | 48.08970, -104.25450 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 500 ft |
| Year Completed | 1925 (101 years old) |
Storage & Hydraulics
| NID Storage | 162 acre-ft |
| Max Storage | 162 acre-ft |
| Normal Storage | 83 acre-ft |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | HARMON FARMS INC |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT00494 |
| Federal ID | MT00494 |
| More Info | State Dam Safety Program |