East Market Pond Dam Reservoir Report

Last Updated: December 5, 2025

East Market Pond Dam, located in Fairfax, Virginia, is a privately owned structure designed for flood risk reduction along a tributary to Big Rocky Run.


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Summary

With a dam height of 12 feet and a length of 548 feet, this earth-type dam plays a crucial role in managing water levels and protecting the surrounding area from potential flooding events. The dam has a storage capacity of 53.99 acre-feet and is regulated by the Department of Conservation and Recreation in Virginia.

Despite its significant hazard potential, East Market Pond Dam has not been rated for its condition assessment, and there is limited information available on its emergency action plan and risk management measures. The dam has a history of state regulation, inspection, and enforcement, indicating a commitment to ensuring its safety and functionality. However, more detailed assessments and planning may be needed to address potential risks and enhance the dam's resilience in the face of changing climate conditions.

As a key infrastructure for flood risk reduction in the area, East Market Pond Dam serves as a critical asset for water resource and climate enthusiasts interested in understanding the intersection of water management, infrastructure resilience, and regulatory oversight. With its strategic location and important role in protecting the community from flooding, this dam highlights the importance of proactive monitoring, maintenance, and planning to ensure the safety and effectiveness of water infrastructure in the face of climate challenges.

Dam Length

548

Dam Height

12

River Or Stream

Tributary to Big Rocky Run

Primary Dam Type

Earth

Hydraulic Height

12

Nid Storage

53.99

Structural Height

12

Hazard Potential

Significant

Nid Height

12
       
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.