The Man Dam is a gravity dam located in Valley County, Montana. It carries a Low hazard potential classification.
Dam profile
NID height · 22 ft22 ft tall and 470 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About The Man Dam
The Man Dam is a dam in Valley, Montana. The dam is owned by Doi BLM (federal). It impounds the Intermittent.
The dam stands 22 feet tall and stretches 470 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 58 acre-feet, and collects water from a drainage area of 1 square miles.
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. The most recent inspection on record was 09/05/2019.
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Location
| State | Montana |
| County | Valley |
| River/Stream | Intermittent |
| Coordinates | 48.30898, -106.66558 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 22 ft |
| Dam Length | 470 ft |
Storage & Hydraulics
| NID Storage | 58 acre-ft |
| Max Storage | 58 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 1 sq mi |
Ownership & Safety
| Owner | Doi BLM |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 09/05/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT02694 |
| Federal ID | MT02694 |
| More Info | State Dam Safety Program |