Lake Wilhelmina Dam Reservoir Report

Last Updated: December 6, 2025

Lake Wilhelmina Dam, located in Lee County, Mississippi, is a private-owned structure regulated by the Mississippi Department of Environmental Quality.


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Summary

This earth dam, with a height of 25 feet, serves primarily for recreation purposes, providing a storage capacity of 360 acre-feet. The dam's spillway is uncontrolled, and its hazard potential is currently classified as undetermined, with a moderate risk assessment rating of 3. Despite not having a condition assessment rating, the dam is inspected, permitted, and enforced by the state regulatory agency, ensuring its safety and compliance with regulations.

Situated within the Memphis District, Lake Wilhelmina Dam offers enthusiasts a picturesque setting for outdoor activities amidst nature. Its peaceful surroundings and recreational opportunities make it a popular destination for water resource and climate enthusiasts seeking to explore and appreciate the beauty of the area. Although the dam's risk assessment is moderate, regular inspections and enforcement measures are in place to mitigate any potential hazards and ensure the safety of visitors and the surrounding environment. With its tranquil waters and scenic views, Lake Wilhelmina Dam is a gem waiting to be discovered and enjoyed by all who appreciate the wonders of natural landscapes and water resources.

As a privately-owned structure with a focus on recreation, Lake Wilhelmina Dam provides a unique opportunity for visitors to engage in water-based activities while surrounded by the beauty of Lee County, Mississippi. With a storage capacity of 360 acre-feet and a height of 25 feet, the dam offers a tranquil escape for those seeking to immerse themselves in nature and enjoy the serenity of the outdoors. While its condition assessment is currently not rated, the dam's state-regulated status ensures that it is inspected, permitted, and enforced to maintain its safety and adherence to regulatory standards. Whether for fishing, boating, or simply enjoying the scenic surroundings, Lake Wilhelmina Dam offers a peaceful retreat for water resource and climate enthusiasts looking to connect with nature and appreciate the importance of sustainable water management practices.

Dam Height

25

Nid Storage

360

Hazard Potential

Undetermined

Nid Height

25
       
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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.