Jackson-Mill Cr Wcd Dam 1 Reservoir Report

Last Updated: December 15, 2025

Jackson-Mill Cr WCD Dam 1, located in Fairfield, South Carolina, was completed in 1981 for the primary purpose of flood risk reduction.


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Summary

Designed by USDA NRCS, this earth dam stands at a height of 37 feet and stretches 600 feet in length, with a storage capacity of 1165 acre-feet. The dam is regulated by the South Carolina Department of Health and Environmental Control (DHEC) and undergoes regular inspections to ensure its satisfactory condition. Despite its low hazard potential, the dam is classified as having a very high risk due to its location on Stitt Branch.

This dam not only serves as a crucial infrastructure for flood control but also offers recreational opportunities in the area. The controlled spillway and uncontrolled outlet gates help manage water levels and prevent overflow during heavy rainfall events. The dam is owned jointly by the local government and a private entity, with funding and design support from the Natural Resources Conservation Service. With its strategic location and efficient design, Jackson-Mill Cr WCD Dam 1 plays a vital role in protecting the surrounding community from the impacts of potential flooding while also providing a space for leisure activities.

Year Completed

1981

Dam Length

600

Dam Height

37

River Or Stream

STITT BRANCH

Primary Dam Type

Earth

Surface Area

24

Nid Storage

1165

Outlet Gates

Uncontrolled

Hazard Potential

Low

Foundations

Unlisted/Unknown

Nid Height

37
       
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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.