Covington Lakes Sub Dam Reservoir Report

Last Updated: December 8, 2025

Covington Lakes Sub Dam in Lexington, South Carolina, is a privately owned earth dam completed in 1986 for recreational purposes.


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Summary

Standing at a height of 28 feet and stretching 300 feet in length, the dam holds a storage capacity of 60 acre-feet and covers a surface area of 3 acres. Situated on the TR-TWELVEMILE CREEK, the dam is regulated by the South Carolina Department of Health and Environmental Control (SC DHEC), and undergoes regular inspections to ensure its fair condition and significant hazard potential are managed effectively.

Despite its relatively modest size, Covington Lakes Sub Dam plays a vital role in providing recreational opportunities for local residents and visitors alike. The dam's fair condition assessment and the regular inspection schedule ensure the safety of those who enjoy activities such as fishing, boating, and wildlife watching in the surrounding area. With a designated emergency action plan and updated hazard assessments, the dam remains a crucial component of the community's water resource infrastructure.

As a key feature in the Savannah District managed by the US Army Corps of Engineers, Covington Lakes Sub Dam contributes to the overall water management efforts in the region. With its stable structure and maintained storage capacity, the dam serves as a reliable resource for recreation and environmental conservation along the TR-TWELVEMILE CREEK. The dam's significance lies not only in its functional purpose but also in its role in preserving the natural beauty of the area for future generations of water resource and climate enthusiasts to enjoy.

Year Completed

1986

Dam Length

300

Dam Height

28

River Or Stream

TR-TWELVEMILE CREEK

Primary Dam Type

Earth

Surface Area

3

Nid Storage

60

Hazard Potential

Significant

Foundations

Unlisted/Unknown

Nid Height

28
       
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.