Potomac Lake Dam

Potomac Lake Dam is an earth dam located in Loudoun County, Virginia. It carries a Undetermined hazard potential classification.

About Potomac Lake Dam

The primary purpose of Potomac Lake Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Vdot;westlake Commercial Owners Association (private).

The dam stands 25 feet tall and stretches 280 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 149 acre-feet, and collects water from a drainage area of 0 square miles.

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Undetermined HazardNot Rated ConditionEmergency Action Plan: No

Location

StateVirginia
CountyLoudoun
Coordinates39.03520, -77.40560

Physical Characteristics

Dam TypeEarth
NID Height25 ft
Dam Height25 ft
Dam Length280 ft

Storage & Hydraulics

NID Storage149 acre-ft
Max Storage149 acre-ft
Normal Storage58 acre-ft
Surface Area7 acres
Drainage Area0 sq mi

Ownership & Safety

PurposeFlood Risk Reduction
OwnerVDOT;Westlake Commercial Owners Association
Owner TypePrivate
Hazard ClassificationUndetermined
Condition AssessmentNot Rated
Emergency Action PlanNo

Identifiers

NID IDVA107044
Federal IDVA107044
More InfoState Dam Safety Program

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