Griffin Pond Dam Reservoir Report

Last Updated: December 5, 2025

Griffin Pond Dam, also known as the Louis Michael Stone Dam, is a privately owned structure located in Anderson, South Carolina.


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Summary

Built in 1972, this earth dam stands at a height of 23 feet and stretches 400 feet in length, with a storage capacity of 69 acre-feet. The primary purpose of the dam is listed as "Other," and it is categorized as a buttress-type earth dam with uncontrolled spillway.

Despite its low hazard potential, Griffin Pond Dam has been assessed as being in poor condition, with the last inspection conducted in June 2017. The dam is regulated by the South Carolina Department of Health and Environmental Control (DHEC) and undergoes regular inspection, permitting, and enforcement by the state. The risk assessment for the dam is moderate, with a DSAC (Dam Safety Action Classification) of 3, indicating the need for ongoing risk management measures to ensure its safety and stability.

For water resource and climate enthusiasts, Griffin Pond Dam presents an intriguing case study in dam infrastructure management and safety. With its unique design and historical significance, this dam serves as a focal point for understanding the complexities of maintaining and regulating dam structures in a changing climate. As efforts continue to monitor and address the dam's condition, stakeholders in the water resource and climate fields can closely follow its progress and contribute to the ongoing conversation surrounding dam safety and sustainability.

Year Completed

1972

Dam Length

400

Dam Height

23

River Or Stream

TR-LONG BRANCH

Primary Dam Type

Earth

Surface Area

7

Nid Storage

69

Hazard Potential

Low

Foundations

Unlisted/Unknown

Nid Height

23
       
Seasonal Comparison

Weather Forecast

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.