Robert Jenny Dam Reservoir Report

Last Updated: December 5, 2025

Robert Jenny Dam, located in Hampton, South Carolina, stands as a testament to engineering ingenuity since its completion in 1860.


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Summary

This private-owned earth dam, primarily designated for recreation on the Calico Branch river, boasts a height of 8 feet and a length of 755 feet, with a storage capacity of 152 acre-feet. Despite being classified as low hazard potential and not yet rated for condition assessment, the dam is regulated by the South Carolina Department of Health and Environmental Control, ensuring that it meets state standards for inspection, permitting, and enforcement.

Situated within the Savannah District and overseen by Representative James E. Clyburn, Robert Jenny Dam offers a tranquil oasis for water resource and climate enthusiasts to enjoy. With a normal storage capacity of 53 acre-feet and a surface area of 33 acres, this buttress core dam provides a scenic backdrop for outdoor activities. Although the dam has not undergone recent modifications or assessments, its historical significance and recreational value make it a noteworthy landmark in the region.

As a beloved recreational spot in the community, Robert Jenny Dam continues to attract visitors seeking solace in nature. While its emergency action plan and risk management measures are yet to be fully assessed, the dam's picturesque setting and low-risk profile ensure a safe and enjoyable environment for all who visit. With its rich history and potential for future enhancements, Robert Jenny Dam remains a cherished destination for water resource and climate enthusiasts alike.

Year Completed

1860

Dam Length

755

Dam Height

8

River Or Stream

CALICO BRANCH

Primary Dam Type

Earth

Surface Area

33

Nid Storage

152

Hazard Potential

Low

Foundations

Unlisted/Unknown

Nid Height

8
       
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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.