Volgenau Dam

Volgenau Dam is an earth dam located in Fauquier County, Virginia. It carries a Significant hazard potential classification and has a satisfactory condition assessment.

Hazard potentialSignificantFailure could cause major damage
ConditionSatisfactoryBest of 4 ratings
Emergency action planOn file
Last inspection07/31/2022
Height35 ft

Dam profile

NID height · 35 ft
35 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

35 ft tall and 275 ft long, taller than 80% 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 Volgenau Dam

The primary purpose of Volgenau Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Ernst Volgenau LLC (private). It impounds the Tr-thumb Run.

The dam stands 35 feet tall and stretches 275 feet across, creates a reservoir covering 14 acres, has a maximum storage capacity of 205 acre-feet, and collects water from a drainage area of 0 square miles.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 07/31/2022.

At 35 feet, this dam is taller than 80% of dams nationwide.

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Location

StateVirginia
CountyFauquier
River/StreamTr-thumb Run
Coordinates38.78610, -77.97370

Physical Characteristics

Dam TypeEarth
NID Height35 ft
Dam Height35 ft
Dam Length275 ft

Storage & Hydraulics

NID Storage205 acre-ft
Max Storage205 acre-ft
Normal Storage125 acre-ft
Surface Area14 acres
Drainage Area0 sq mi

Ownership & Safety

PurposeRecreation
OwnerErnst Volgenau LLC
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentSatisfactory
Last Inspection07/31/2022
Emergency Action PlanYes

Identifiers

NID IDVA061045
Federal IDVA061045
More InfoState Dam Safety Program