Reunion Lake Number 7 Dam Reservoir Report

Last Updated: December 12, 2025

Reunion Lake Number 7 Dam, located in Madison, Mississippi, is a private-owned structure regulated by the Mississippi Department of Environmental Quality.


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Summary

Completed in 2004, this Earth-type dam serves primarily for recreation purposes, offering a serene retreat for water resource and climate enthusiasts. With a height of 15.4 feet and a storage capacity of 230 acre-feet, the dam stands as a testament to both engineering ingenuity and environmental stewardship.

The dam's low hazard potential and satisfactory condition assessment reflect its commitment to safety and reliability. The surrounding area, fed by Bear Creek, boasts a drainage area of 0.35 square miles and a maximum discharge capacity of 3399 cubic feet per second. Despite its moderate risk assessment rating, the dam's uncontrolled spillway and lack of locks indicate a focus on preserving the natural landscape while providing essential water management services.

Reunion Lake Number 7 Dam's picturesque setting offers a glimpse into the intersection of human innovation and environmental conservation. As a beacon of recreational enjoyment and water resource management, this dam stands as a testament to the harmonious coexistence of nature and infrastructure in the heart of Mississippi's waterways.

Year Completed

2004

Dam Length

1350

Dam Height

15.4

River Or Stream

UNT OF BEAR CREEK

Primary Dam Type

Earth

Surface Area

11.9

Hydraulic Height

12.4

Drainage Area

0.35

Nid Storage

230

Structural Height

19.4

Hazard Potential

Low

Nid Height

19
       
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.