Lake Jeff Davis Reservoir Report
Last Updated: December 7, 2025
Lake Jeff Davis, located in Prentiss, Mississippi, is a state-regulated water resource with a primary purpose of recreation.
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Summary
Built in 1963 by Dungan Engineering, this Earth dam stands at 23 feet high and spans 1000 feet in length. With a maximum storage capacity of 2215 acre-feet and a surface area of 106 acres, this reservoir on Jaybird Creek offers ample opportunities for outdoor activities such as fishing, boating, and picnicking.
Despite its high hazard potential, Lake Jeff Davis has been assessed as satisfactory in condition and is subject to regular inspections by the Mississippi Department of Environmental Quality. The emergency action plan for the dam was last revised in May 2017, and the risk assessment for the area is moderate. This scenic water body in Jefferson Davis County provides a vital recreational space while also serving as a critical water resource for the local community.
For water resource and climate enthusiasts, Lake Jeff Davis offers a fascinating case study in dam construction and regulation. With its uncontrolled spillway and moderate risk assessment, this Earth dam presents both challenges and opportunities for sustainable management. As a state-owned and operated facility, the reservoir plays a key role in supporting local recreation and wildlife while also ensuring the safety and security of surrounding communities.
Year Completed |
1963 |
Dam Length |
1000 |
Dam Height |
23 |
River Or Stream |
UNT OF JAYBIRD CREEK |
Primary Dam Type |
Earth |
Surface Area |
106 |
Hydraulic Height |
19 |
Drainage Area |
1.16 |
Nid Storage |
2215 |
Structural Height |
23 |
Outlet Gates |
None |
Hazard Potential |
High |
Nid Height |
23 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Pearl River Nr Monticello
|
1750cfs |
Pearl River Nr Columbia
|
2740cfs |
Pearl River Nr Rockport
|
1670cfs |
Okatoma Creek At Sanford
|
219cfs |
Bouie Creek Nr Hattiesburg
|
271cfs |
Leaf River Nr Collins
|
304cfs |
Dam Data Reference
Condition Assessment
SatisfactoryNo 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
HighDams 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.
Lake Jeff Davis