Prairie Waters Number 1 Dam Reservoir Report

Last Updated: December 6, 2025

Prairie Waters Number 1 Dam, located in Lowndes, Mississippi, serves as a crucial water resource for the region, particularly for recreation purposes.


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Summary

Completed in 1997, this earth dam stands at a height of 12 feet and spans a length of 1280 feet, with a maximum storage capacity of 376 acre-feet. Its primary purpose is to provide recreational opportunities for the community, offering a surface area of 44 acres for activities like boating and fishing.

Managed by a private entity, the dam is regulated and inspected by the Mississippi Department of Environmental Quality, ensuring its structural integrity and adherence to safety standards. With a low hazard potential and a satisfactory condition assessment as of the last inspection in 2011, Prairie Waters Number 1 Dam continues to play a vital role in water management within the region. Although classified as having a moderate risk level, appropriate risk management measures are in place to mitigate any potential issues and maintain the dam's functionality for the foreseeable future.

Overall, Prairie Waters Number 1 Dam stands as a testament to effective water resource management in Mississippi, providing both recreational opportunities and essential water storage capacity. With its low hazard potential and satisfactory condition, this dam exemplifies the importance of proper regulation and inspection to ensure the safety and longevity of critical water infrastructure in the face of changing climate conditions.

Year Completed

1997

Dam Length

1280

Dam Height

12

River Or Stream

UNT OF MOTLEY SLOUGH

Surface Area

44

Drainage Area

0.46

Nid Storage

376

Hazard Potential

Low

Nid Height

12
       
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.