King's Lake Dam Reservoir Report

Last Updated: December 4, 2025

King's Lake Dam, located in Cobb, Georgia, was completed in 1950 and stands at a height of 41.2 feet with a hydraulic height of 29 feet.


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Summary

The dam's primary purpose is recreation, offering a surface area of 5 acres and a maximum storage capacity of 106 acre-feet. With a low hazard potential and a moderate risk assessment rating, King's Lake Dam provides a picturesque setting for water resource and climate enthusiasts to enjoy various recreational activities.

Owned privately and designed by MALLETT AND ASSOC., this earth dam with a buttress core type is situated in an area regulated by the state of Georgia. Although not permit-regulated, the dam undergoes state inspections, ensuring its structural integrity and safety for visitors. Despite its uncontrolled spillway and outlet gates, King's Lake Dam continues to be a popular destination for outdoor enthusiasts seeking a tranquil environment surrounded by nature.

With a drainage area of 321 square miles, King's Lake Dam provides vital water management for the region while offering a peaceful retreat for visitors. The dam's historical significance, combined with its recreational opportunities and scenic beauty, make it a must-visit destination for those interested in water resources and climate conservation efforts in Georgia.

Year Completed

1950

Dam Length

285

Dam Height

41.2

River Or Stream

UNKNOWN

Primary Dam Type

Earth

Surface Area

5

Hydraulic Height

29

Drainage Area

321

Nid Storage

106

Outlet Gates

Uncontrolled

Hazard Potential

Low

Foundations

Unlisted/Unknown

Nid Height

41
       
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.