Margolis Dam Reservoir Report

Last Updated: December 5, 2025

Margolis Dam in Virginia, situated on Branch River, is a privately owned structure primarily used for recreational purposes.


°F

°F

mph

Wind

%

Humidity

Summary

Standing at a height of 15 feet with a storage capacity of 85 acre-feet, the dam provides ample opportunities for outdoor activities in the surrounding area. The state of Virginia regulates and inspects the dam, ensuring its safety and compliance with relevant standards.

Despite its undetermined hazard potential and lack of a current condition assessment rating, Margolis Dam remains a key feature in the Rappahannock County landscape. The dam's emergency action plan status and risk assessment measures are not specified, leaving room for further evaluation and potential improvements. With its proximity to the Baltimore District and the support of the Department of Conservation and Recreation, Margolis Dam serves as a valuable water resource for the local community and visitors seeking recreational enjoyment.

Water resource and climate enthusiasts will appreciate the significance of Margolis Dam as a vital earth structure supporting the surrounding ecosystem. As a focal point for recreation and leisure activities, the dam offers a serene retreat for individuals seeking a connection to nature. While its hazard potential remains undetermined, ongoing state regulation and inspection ensure the safety and integrity of Margolis Dam for the benefit of all who appreciate its beauty and functionality in the Rappahannock, Virginia region.

Dam Height

15

River Or Stream

Branch River

Primary Dam Type

Earth

Hydraulic Height

15

Nid Storage

85

Structural Height

15

Hazard Potential

Undetermined

Nid Height

15
       
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.