King Lake Dam Reservoir Report

Last Updated: December 6, 2025

King Lake Dam, located in Hattiesburg, Mississippi, is a privately owned structure designed by the USDA NRCS for the primary purpose of recreation.


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Summary

Completed in 1978, this earth dam with a height of 12 feet serves as a key feature along the Leaf River, providing a storage capacity of 108 acre-feet of water. The dam is classified as low hazard potential with a moderate risk assessment rating.

Managed by the Mississippi Department of Environmental Quality, King Lake Dam is regulated, permitted, inspected, and enforced by state agencies to ensure its safety and compliance with environmental standards. The dam features an uncontrolled spillway and outlet gates, with no associated locks or drainage area specified. Although the condition assessment is not rated, the structure meets guidelines for emergency action preparedness, with risk management measures in place. For water resource and climate enthusiasts, King Lake Dam represents a noteworthy example of a recreation-focused earth dam in Mississippi's water infrastructure landscape.

Year Completed

1978

Dam Height

12

River Or Stream

LEAF RIVER -OS

Primary Dam Type

Earth

Nid Storage

108

Outlet Gates

Uncontrolled

Hazard Potential

Low

Foundations

Soil

Nid Height

12
       
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.