Lloyd Shoals - North Saddle Dike Reservoir Report

Last Updated: December 5, 2025

Lloyd Shoals - North Saddle Dike, located in Jasper County, Georgia, is a key infrastructure designed for hydroelectric purposes along the Ocmulgee River.


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Summary

Built in 1911 by the J. G. White Engineering Company, this earth dam stands at a height of 20 feet and stretches over 2100 feet in length. With a maximum storage capacity of 107,000 acre-feet and a normal storage of 97,000 acre-feet, Lloyd Shoals plays a crucial role in water resource management in the region.

Managed by the Federal Energy Regulatory Commission, Lloyd Shoals - North Saddle Dike is considered to have a high hazard potential due to its age and condition. Despite lacking recent condition assessments, emergency action plans have been updated as of December 2020 to ensure the safety of nearby residents in case of a dam failure. With a risk assessment rating of 2 (high), continued monitoring and maintenance are essential to mitigate potential risks associated with this vital piece of infrastructure.

For water resource and climate enthusiasts, Lloyd Shoals - North Saddle Dike serves as an intriguing example of early 20th-century engineering for hydroelectric power generation. As one of the two associated structures in the area, this dam stands as a testament to the importance of sustainable water management practices in ensuring the longevity and safety of critical infrastructure in the face of changing environmental conditions.

Year Completed

1911

Dam Length

2100

Dam Height

20

River Or Stream

Ocmulgee River

Primary Dam Type

Earth

Surface Area

4500

Hydraulic Height

20

Nid Storage

107000

Structural Height

20

Hazard Potential

High

Foundations

Rock, Soil

Nid Height

20
       
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.