Parker Dam Reservoir Report

Last Updated: December 5, 2025

Parker Dam, located in Grayson, Virginia, is a state-regulated private structure with a height of 30.1 feet and a storage capacity of 20 acre-feet.


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Summary

This dam plays a vital role in water resource management in the region, with a normal storage capacity of 16 acre-feet and a surface area of 1.45 acres. Despite its undetermined hazard potential and not yet rated condition, Parker Dam is subject to regular state inspections, enforcement, and permitting to ensure its safety and compliance with regulations.

Managed by the Department of Conservation and Recreation in Virginia, Parker Dam serves as a key infrastructure for water storage and management in the area. Its strategic location and design make it a crucial component in controlling water flow and ensuring a stable water supply for the surrounding communities. With a designer unknown and no associated structures, Parker Dam stands as a standalone structure contributing to water resource sustainability and climate resilience in the region.

The dam's precise purpose, construction year, and modifications remain unspecified, highlighting potential areas for further research and assessment. Nonetheless, its importance in the region's water resource management cannot be understated, with a capacity to store and regulate water flow for both human consumption and environmental preservation. As climate change continues to impact water availability and quality, structures like Parker Dam play a critical role in ensuring water security and resilience for future generations.

Dam Length

297

Dam Height

30.1

Surface Area

1.45

Hydraulic Height

30.1

Drainage Area

0.03

Nid Storage

20

Structural Height

30.1

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.
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