Wahl Stock Reservoir is an earth dam located in McCone County, Montana, built in 1933. It carries a Low hazard potential classification.
Dam profile
NID height · 20 ft20 ft tall and 250 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 Wahl Stock Reservoir
The primary purpose of Wahl Stock 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 Howard L Gackle (private). It impounds the Lost Creek near Poplar.
The dam stands 20 feet tall and stretches 250 feet across, and has a maximum storage capacity of 352 acre-feet. Completed in 1933, 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 | McCone |
| Nearest City | Poplar |
| River/Stream | Lost Creek |
| Coordinates | 47.53870, -105.63170 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 250 ft |
| Year Completed | 1933 (93 years old) |
Storage & Hydraulics
| NID Storage | 352 acre-ft |
| Max Storage | 352 acre-ft |
| Normal Storage | 149 acre-ft |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Howard L Gackle |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT00976 |
| Federal ID | MT00976 |
| More Info | State Dam Safety Program |