Hs Hyman Pond Dam Reservoir Report

Last Updated: December 15, 2025

Located in Florence, South Carolina, Hs Hyman Pond Dam, also known as Ollie Mae Munn Pond Dam, stands as a private structure regulated by the South Carolina Department of Health and Environmental Control.


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Summary

Built in 1950, this earth dam serves primarily for recreational purposes and spans 355 feet in length, with a height of 12 feet. The dam holds a storage capacity of 56 acre-feet, providing water for a surface area of 9 acres.

Although classified as having a low hazard potential, the dam's condition assessment is marked as poor, as of the last inspection in November 2017. Despite this, the risk assessment for Hs Hyman Pond Dam indicates a very high risk level, emphasizing the need for improved risk management measures. As a water resource and climate enthusiast, understanding the challenges and opportunities for enhancing the safety and functionality of this dam presents an intriguing area for further exploration and action within the realm of water resource management and climate resilience.

Year Completed

1950

Dam Length

355

Dam Height

12

River Or Stream

BUCK BRANCH

Primary Dam Type

Earth

Surface Area

9

Nid Storage

56

Hazard Potential

Low

Foundations

Unlisted/Unknown

Nid Height

12
       
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.