Osborn Lake Dam Reservoir Report
Last Updated: December 6, 2025
Osborn Lake Dam in Mississippi is a privately owned recreational dam with a primary purpose of providing leisure activities for water enthusiasts.
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Summary
This earth dam with buttress core types stands at a height of 15 feet and has a storage capacity of 549 acre-feet. While the dam is classified as having a low hazard potential, it is subject to state regulation by the Mississippi Department of Environmental Quality, with regular inspections and enforcement measures in place to ensure its safety and compliance with regulations.
Located in Newton, Mississippi, Osborn Lake Dam is part of the Vicksburg District and falls under the jurisdiction of the state of Mississippi. Despite not having a designated dam type or completion year listed, the dam's moderate risk assessment suggests that there may be some concerns regarding its structural integrity or potential impacts in the event of a failure. Water resource and climate enthusiasts interested in this fascinating structure can appreciate the efforts taken to manage and monitor its operation, as well as the recreational opportunities it provides in the region.
Dam Height |
15 |
Nid Storage |
549 |
Hazard Potential |
Low |
Nid Height |
15 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
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.
Osborn Lake Dam