Cox Lake Dam Reservoir Report

Last Updated: December 5, 2025

Cox Lake Dam, located in Muscogee, Georgia, was completed in 1965 and serves as a recreational resource for the community.


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Summary

The dam, designed by SCS, is an earth dam with a buttress core type and a height of 36.2 feet. It impounds Cox Creek, creating a surface area of 36 acres and a normal storage capacity of 396 acre-feet. The dam has a low hazard potential and a moderate risk assessment rating.

The dam is not state regulated but is subject to state inspection. Its primary purpose is for recreation, and it is privately owned. With a NID storage capacity of 923.8 acre-feet, Cox Lake Dam provides opportunities for boating, fishing, and other water-based activities. While the dam has uncontrolled spillways and outlet gates, it has not been rated for condition assessment. Overall, Cox Lake Dam offers a valuable water resource for the surrounding community and visitors to enjoy.

As a significant feature in the area, Cox Lake Dam plays a role in managing the water resources and providing recreational opportunities for the residents of Upatoi. Its location on Cox Creek adds to the natural beauty of the region, making it a popular spot for outdoor enthusiasts and nature lovers. With a history dating back to the 1960s, the dam continues to support various activities and contribute to the local ecosystem.

Year Completed

1965

Dam Length

480

Dam Height

36.2

River Or Stream

Cox Creek

Primary Dam Type

Earth

Surface Area

36

Hydraulic Height

33.6

Drainage Area

1650

Nid Storage

923.8

Outlet Gates

Uncontrolled

Hazard Potential

Low

Foundations

Unlisted/Unknown

Nid Height

36
       
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.