Weston Lake Reservoir Report

Last Updated: December 11, 2025

Weston Lake, located in Horrel Hill, South Carolina, is a stunning reservoir nestled along Cedar Creek.


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Summary

Managed by the US Army, this recreational hotspot offers a serene escape for water resource and climate enthusiasts. Completed in 1971, this earth dam stands at an impressive height of 43 feet, with a storage capacity of 8,600 acre-feet and a surface area of 256 acres.

With a spillway width of 200 feet and a maximum discharge of 8,400 cubic feet per second, Weston Lake is equipped to handle high hazard potential. Although the condition assessment is currently not available, the dam's inspection frequency of 4 times a year ensures its safety and functionality. Despite being unregulated by the state, Weston Lake remains a popular destination for outdoor activities, attracting visitors with its picturesque surroundings and recreational opportunities.

As an integral part of the local landscape, Weston Lake serves as a vital reservoir for both water supply and leisure. Boasting a rich history and a prime location, this earth dam continues to be a beloved destination for nature lovers and adventure seekers alike. Whether for fishing, boating, or simply enjoying the beauty of the outdoors, Weston Lake offers a unique and unforgettable experience for all who visit.

Year Completed

1971

Dam Length

1400

Dam Height

43

River Or Stream

Cedar Creek

Primary Dam Type

Earth

Surface Area

256

Hydraulic Height

43

Drainage Area

10

Nid Storage

8600

Structural Height

48

Outlet Gates

Slide (sluice gate) - 1

Hazard Potential

High

Foundations

Soil

Nid Height

48
       
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.