M-10 And M-11 Tanks Impound Dam Reservoir Report
Last Updated: December 5, 2025
The M-10 and M-11 Tanks Impound Dam, located in Wilkinson, Georgia, is a private earth dam with a height of 52 feet and a length of 950 feet.
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Summary
The dam has a storage capacity of 890 acre-feet, with a normal storage level of 625 acre-feet. The dam's primary purpose and associated structures are not specified, but it is designed with a buttress core type and an uncontrolled spillway.
Despite being categorized with a low hazard potential, the dam is considered to have a moderate risk level. The last inspection date was in January 2018, with an inspection frequency every 5 years. The dam's condition is currently not rated, and emergency preparedness measures such as having an Emergency Action Plan (EAP) in place are not specified. The risk management measures and inundation maps prepared for the dam are also not detailed, indicating potential areas for improvement in ensuring the safety and resilience of this water resource structure.
Dam Length |
950 |
Dam Height |
52 |
Primary Dam Type |
Earth |
Surface Area |
32 |
Nid Storage |
890 |
Outlet Gates |
Uncontrolled |
Hazard Potential |
Low |
Foundations |
Unlisted/Unknown |
Nid Height |
52 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Oconee River At Avant Mine
|
846cfs |
Ocmulgee River At Macon
|
2030cfs |
Oconee River At Milledgeville
|
635cfs |
Buffalo Creek At Ga 272
|
145cfs |
Oconee River Near Oconee
|
1430cfs |
Tobesofkee Creek Near Macon
|
6cfs |
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.
M-10 And M-11 Tanks Impound Dam