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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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateVirginia
CountySmyth
River/StreamSheet Flow
Coordinates36.76367, -81.37975

Physical Characteristics

Dam TypeEarth
NID Height60 ft
Dam Height60 ft
Dam Length378 ft
Year Completed1955 (71 years old)

Storage & Hydraulics

NID Storage28 acre-ft
Max Storage28 acre-ft
Normal Storage1 acre-ft
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerUSDA FS
Owner TypeFederal
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection07/28/2011
Emergency Action PlanNot Required

Identifiers

NID IDVA173003
Federal IDVA173003
More InfoState Dam Safety Program

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