Allen Slater Dam Reservoir Report

Last Updated: December 6, 2025

Allen Slater Dam, located in Spartanburg, South Carolina, was completed in 1993 and serves multiple purposes including fire protection, stock, and a small fish pond.


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Summary

This private dam, standing at a height of 23 feet and a length of 360 feet, has a storage capacity of 81 acre-feet and covers a surface area of 6 acres. The dam is primarily constructed with earth materials and buttress core types, contributing to its low hazard potential and fair condition assessment.

Managed by the South Carolina Department of Health and Environmental Control, Allen Slater Dam is regulated, permitted, inspected, and enforced by state agencies to ensure its safety and compliance with regulations. The dam is situated on the TR-Hooper Creek, providing essential water resources for the local area. Despite its low hazard potential, regular inspections are conducted every 5 years to maintain the dam's integrity and ensure public safety in case of emergencies. The dam's emergency action plan and risk assessment measures are yet to be fully developed and implemented.

With its key role in fire protection and water storage, Allen Slater Dam stands as a vital infrastructure in Spartanburg, South Carolina. The dam's association with the Hooper Creek and its multi-purpose functionality make it a significant asset for the local community. As water resource and climate enthusiasts, understanding the design, purpose, and condition of Allen Slater Dam sheds light on the importance of responsible dam management and the need for ongoing monitoring and maintenance to safeguard water resources and mitigate risks associated with dams.

Year Completed

1993

Dam Length

360

Dam Height

23

River Or Stream

TR-HOOPER CREEK

Primary Dam Type

Earth

Surface Area

6

Nid Storage

81

Hazard Potential

Low

Foundations

Unlisted/Unknown

Nid Height

23
       
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.