Umbarger No 1
Umbarger No 1 is an earth dam located in Smyth County, Virginia, built in 1955. It carries a Low hazard potential classification.
About Umbarger No 1
The primary purpose of Umbarger No 1 is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Usda Fs (federal). It impounds the Sheet Flow.
The dam stands 60 feet tall and stretches 378 feet across, and has a maximum storage capacity of 28 acre-feet. Completed in 1955, 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. The most recent inspection on record was 07/28/2011. That was over 14 years ago.
At 60 feet, this dam is taller than 95% of all dams in the United States.
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Location
| State | Virginia |
| County | Smyth |
| River/Stream | Sheet Flow |
| Coordinates | 36.76367, -81.37975 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 60 ft |
| Dam Height | 60 ft |
| Dam Length | 378 ft |
| Year Completed | 1955 (71 years old) |
Storage & Hydraulics
| NID Storage | 28 acre-ft |
| Max Storage | 28 acre-ft |
| Normal Storage | 1 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | USDA FS |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 07/28/2011 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | VA173003 |
| Federal ID | VA173003 |
| More Info | State Dam Safety Program |