Ambrose Mine is an earth dam located in Armstrong County, Pennsylvania. It carries a Low hazard potential classification.
Dam profile
NID height · 26 ft26 ft tall and 260 ft long, taller than 55% 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 embankment section and the water level is illustrative.
About Ambrose Mine
Ambrose Mine is a dam in Armstrong, Pennsylvania. The dam is owned by Samuel W. Montgomery (private). It impounds the Tr Allegheny River.
The dam stands 26 feet tall and stretches 260 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 30 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 11/02/2017.
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Location
| State | Pennsylvania |
| County | Armstrong |
| River/Stream | Tr Allegheny River |
| Coordinates | 40.85583, -79.54694 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 260 ft |
Storage & Hydraulics
| NID Storage | 30 acre-ft |
| Max Storage | 30 acre-ft |
| Normal Storage | 11 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Other |
| Owner | Samuel W. Montgomery |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 11/02/2017 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | PA01511 |
| Federal ID | PA01511 |
| More Info | State Dam Safety Program |