Hui Dam Reservoir Report

Last Updated: December 5, 2025

Hui Dam, located in Loudoun, Virginia, is a privately owned structure regulated by the Department of Conservation and Recreation.


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Summary

It stands at a height of 29.5 feet with a storage capacity of 55.81 acre-feet and covers a surface area of 3.3 acres. While its primary purpose and dam type are unspecified, the dam is equipped with outlets and has an undetermined hazard potential.

Despite being ungraded for its condition, Hui Dam undergoes regular inspections with a frequency of 1. Its Emergency Action Plan status and risk assessment measures are also marked as unreported. The dam's location in Congressional District 10 further highlights its significance within the region's water resource infrastructure. Enthusiasts of water resources and climate in Virginia may find interest in monitoring developments related to Hui Dam's regulatory oversight and maintenance practices to ensure its safety and functionality for the community and environment.

Dam Length

280

Dam Height

29.5

Surface Area

3.3

Hydraulic Height

29.5

Nid Storage

55.81

Structural Height

29.5

Hazard Potential

Undetermined

Nid Height

30
       
Seasonal Comparison

Weather Forecast

Dam Data Reference

Condition Assessment

Satisfactory
No existing or potential dam safety deficiencies are recognized. Acceptable performance is expected under all loading conditions (static, hydrologic, seismic) in accordance with the minimum applicable state or federal regulatory criteria or tolerable risk guidelines.
Fair
No existing dam safety deficiencies are recognized for normal operating conditions. Rare or extreme hydrologic and/or seismic events may result in a dam safety deficiency. Risk may be in the range to take further action. Note: Rare or extreme event is defined by the regulatory agency based on their minimum
Poor A dam safety deficiency is recognized for normal operating conditions which may realistically occur. Remedial action is necessary. POOR may also be used when uncertainties exist as to critical analysis parameters which identify a potential dam safety deficiency. Investigations and studies are necessary.
Unsatisfactory
A dam safety deficiency is recognized that requires immediate or emergency remedial action for problem resolution.
Not Rated
The dam has not been inspected, is not under state or federal jurisdiction, or has been inspected but, for whatever reason, has not been rated.
Not Available
Dams for which the condition assessment is restricted to approved government users.

Hazard Potential Classification

High
Dams assigned the high hazard potential classification are those where failure or mis-operation will probably cause loss of human life.
Significant
Dams assigned the significant hazard potential classification are those dams where failure or mis-operation results in no probable loss of human life but can cause economic loss, environment damage, disruption of lifeline facilities, or impact other concerns. Significant hazard potential classification dams are often located in predominantly rural or agricultural areas but could be in areas with population and significant infrastructure.
Low
Dams assigned the low hazard potential classification are those where failure or mis-operation results in no probable loss of human life and low economic and/or environmental losses. Losses are principally limited to the owner's property.
Undetermined
Dams for which a downstream hazard potential has not been designated or is not provided.
Not Available
Dams for which the downstream hazard potential is restricted to approved government users.