Headman Dam is a gravity dam located in Petroleum County, Montana. It carries a Low hazard potential classification.
Dam profile
NID height · 30 ft30 ft tall and 464 ft long, taller than 68% of U.S. dams with a recorded height. 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 Headman Dam
Headman Dam is a dam in Petroleum, Montana. The dam is owned by Doi BLM (federal). It impounds the Intermittent.
The dam stands 30 feet tall and stretches 464 feet across, creates a reservoir covering 13 acres, has a maximum storage capacity of 82 acre-feet, and collects water from a drainage area of 0 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 11/24/2019.
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Location
| State | Montana |
| County | Petroleum |
| River/Stream | Intermittent |
| Coordinates | 47.52345, -108.25081 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 30 ft |
| Dam Length | 464 ft |
Storage & Hydraulics
| NID Storage | 82 acre-ft |
| Max Storage | 82 acre-ft |
| Surface Area | 13 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Owner | Doi BLM |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 11/24/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT02681 |
| Federal ID | MT02681 |
| More Info | State Dam Safety Program |