Big Sage Hen is an earth dam located in Hill County, Montana, built in 1973. It carries a Low hazard potential classification.
Dam profile
NID height · 15 ft15 ft tall and 40 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 Big Sage Hen
The primary purpose of Big Sage Hen 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 John T Stevenson (private). It impounds the Tr-sage Creek near Gildford.
The dam stands 15 feet tall and stretches 40 feet across, and has a maximum storage capacity of 120 acre-feet. Completed in 1973, 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 | Hill |
| Nearest City | Gildford |
| River/Stream | Tr-sage Creek |
| Coordinates | 48.72420, -110.40300 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 40 ft |
| Year Completed | 1973 (53 years old) |
Storage & Hydraulics
| NID Storage | 120 acre-ft |
| Max Storage | 120 acre-ft |
| Normal Storage | 47 acre-ft |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | John T Stevenson |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT03484 |
| Federal ID | MT03484 |
| More Info | State Dam Safety Program |