Mackay Point Plant Dam Reservoir Report
Last Updated: December 5, 2025
Mackay Point Plant Dam, located in Jasper, South Carolina, stands as a testament to human ingenuity in creating a space that serves the primary purpose of a Fish and Wildlife Pond.
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Summary
Constructed in 1996, this Earth dam spans 780 feet in length and reaches a height of 12 feet, with a storage capacity of 190 acre-feet. The dam's low hazard potential and fair condition assessment make it a crucial structure for the conservation and protection of the surrounding ecosystem.
Managed by a private owner and regulated by the South Carolina Department of Health and Environmental Control, Mackay Point Plant Dam plays a vital role in maintaining the delicate balance of the TR-Tulifiny River. With a normal storage capacity of 53 acre-feet and a surface area of 19 acres, this dam serves as a haven for various species of fish and wildlife, contributing to the overall biodiversity of the region. Despite its modest size, the dam's impact on the local environment is significant, providing a sanctuary for aquatic life and enhancing the natural beauty of the area.
As enthusiasts of water resources and climate, the intricate details of Mackay Point Plant Dam's design and function offer a glimpse into the complex interplay between human infrastructure and the environment. With its buttress core type and unlisted/unknown foundations, this dam represents a harmonious blend of engineering expertise and ecological stewardship. The periodic inspections and maintenance efforts ensure that this structure continues to fulfill its purpose, safeguarding the delicate ecosystem of Jasper, South Carolina, for generations to come.
Year Completed |
1996 |
Dam Length |
780 |
Dam Height |
12 |
River Or Stream |
TR-TULIFINY RIVER |
Primary Dam Type |
Earth |
Surface Area |
19 |
Nid Storage |
190 |
Hazard Potential |
Low |
Foundations |
Unlisted/Unknown |
Nid Height |
12 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Savannah River Near Clyo
|
6820cfs |
Coosawhatchie River Near Hampton
|
68cfs |
Abercorn Cr (Water Intake) Nr Savannah
|
1620cfs |
Savannah River Near Port Wentworth
|
19300cfs |
Ebenezer Creek At Springfield
|
12cfs |
Salkehatchie River Near Miley
|
242cfs |
Dam Data Reference
Condition Assessment
SatisfactoryNo 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
HighDams 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.
Mackay Point Plant Dam