Smithleigh Dam Reservoir Report

Last Updated: December 5, 2025

Smithleigh Dam, located in Augusta, Virginia, on the Middle River, is a privately owned earth dam primarily used for water supply.


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Summary

Standing at a height of 22 feet with a length of 510 feet, this dam has a storage capacity of 306 acre-feet, making it a crucial resource for the surrounding area. The dam is regulated by the Department of Conservation and Recreation in Virginia, ensuring that it meets state inspection and enforcement standards.

Although the hazard potential of the dam is currently labeled as "Undetermined" and its condition assessment is "Not Rated," Smithleigh Dam remains an essential structure for water management in the region. With a normal storage capacity of 69 acre-feet and a drainage area of 25 square miles, the dam plays a vital role in providing water supply to the local community. While there is limited information available on its management and emergency preparedness, the dam's presence is significant for both water resource and climate enthusiasts interested in sustainable water infrastructure.

The dam's strategic location and purpose highlight its importance in maintaining water quality and supply in the area. As a key structure on the Middle River, Smithleigh Dam contributes to recreational activities and supports the ecosystem while ensuring a reliable water source for the community. With ongoing regulatory oversight and potential for future risk management measures, this dam serves as a focal point for water resource enthusiasts seeking to understand the intersection of infrastructure, climate resilience, and sustainable water management practices.

Dam Length

510

Dam Height

22

River Or Stream

MIDDLE RIVER

Primary Dam Type

Earth

Hydraulic Height

22

Drainage Area

25

Nid Storage

306

Structural Height

22

Hazard Potential

Undetermined

Nid Height

22
       
Seasonal Comparison

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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.