Garrison Lake Dam Reservoir Report
Last Updated: December 5, 2025
Garrison Lake Dam, located in Carroll, Georgia, was completed in 2006 and serves primarily for recreational purposes.
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Summary
This privately owned earth dam stands at a height of 23 feet and has a storage capacity of 16 acre-feet. Although the dam is categorized as having low hazard potential, it is considered to have a moderate risk level.
The dam, with an uncontrolled spillway type, has not been inspected or assessed for condition recently. However, with a risk assessment rating of moderate, it raises concerns about the potential safety and stability of the structure. Despite its low hazard potential, the risk level suggests that further evaluation and management measures may be needed to ensure the safety of Garrison Lake Dam and the surrounding area.
As an essential water resource for the region, climate and water resource enthusiasts may find interest in monitoring the condition and risk level of Garrison Lake Dam. With its location in a recreational area and its moderate risk assessment, there is a need for ongoing monitoring, assessment, and potential risk management measures to ensure the safety and stability of this important earth dam in Georgia.
Year Completed |
2006 |
Dam Height |
23 |
Primary Dam Type |
Earth |
Surface Area |
1 |
Nid Storage |
16 |
Outlet Gates |
Uncontrolled |
Hazard Potential |
Low |
Foundations |
Unlisted/Unknown |
Nid Height |
23 |
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.
Garrison Lake Dam
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