Mullers Lake Reservoir Report

Last Updated: December 14, 2025

Mullers Lake, located in Richland, South Carolina, is a privately owned earth dam constructed in 1960 primarily for recreational purposes.


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Summary

With a dam height of 26 feet and a length of 500 feet, the lake has a storage capacity of 168 acre-feet and a surface area of 15 acres. The dam is regulated by the South Carolina Department of Health and Environmental Control (DHEC) and undergoes inspections every three years, with its last assessment in December 2018 rating its condition as fair with a significant hazard potential.

Situated on TR- Persimmon Fork, Mullers Lake offers a picturesque setting for outdoor enthusiasts to enjoy various recreational activities such as fishing, boating, and wildlife observation. While the dam itself is in fair condition, its maintenance and emergency preparedness protocols are regularly evaluated to ensure the safety of the surrounding community. The lake's proximity to the Savannah District of the US Army Corps of Engineers further underscores the importance of proper management and oversight to mitigate any potential risks associated with the dam.

As an integral part of the local water resource infrastructure, Mullers Lake serves not only as a recreational hub but also as a critical component of the regional hydrology system. Its regulated status and ongoing maintenance efforts demonstrate a commitment to ensuring the safety and sustainability of the dam for both present and future generations. Water resource and climate enthusiasts can appreciate the balance between human enjoyment and environmental stewardship that Mullers Lake embodies in its role within the landscape of South Carolina.

Year Completed

1960

Dam Length

500

Dam Height

26

River Or Stream

TR- PERSIMMON FORK

Primary Dam Type

Earth

Surface Area

15

Nid Storage

168

Hazard Potential

Significant

Foundations

Soil

Nid Height

26
       
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.