Ellisville Lagoon Dam Reservoir Report
Last Updated: December 6, 2025
Located in Jones, Mississippi, the Ellisville Lagoon Dam is a vital structure regulated by the Mississippi Department of Environmental Quality.
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Summary
This earth dam stands at 9 feet in height, providing a storage capacity of 198 acre-feet. The primary purpose of the dam is categorized as "Other," with a spillway type of "Uncontrolled."
Despite being rated as "Undetermined" in terms of hazard potential and "Not Rated" in condition assessment, the Ellisville Lagoon Dam poses a moderate risk level. With no emergency action plan in place and limited information on its risk management measures, there is room for improvement in ensuring the safety and resilience of this essential water resource infrastructure. As water resource and climate enthusiasts, it is crucial to advocate for regular inspections, maintenance, and updated emergency protocols to mitigate any potential risks associated with the dam.
Dam Height |
9 |
Nid Storage |
198 |
Hazard Potential |
Undetermined |
Nid Height |
9 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Tallahala Creek At Laurel
|
17cfs |
Leaf River Nr Collins
|
374cfs |
Okatoma Creek At Sanford
|
541cfs |
Bouie Creek Nr Hattiesburg
|
438cfs |
Bogue Homo Nr Richton
|
556cfs |
Leaf River At Hattiesburg
|
1360cfs |
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.
Ellisville Lagoon Dam