Lake Kelly Irrigation Dam Reservoir Report
Nearby: Nelson Pond Dam Winge Lake Dam
Last Updated: December 10, 2025
Lake Kelly Irrigation Dam, located in Tattnall, Georgia, is a privately owned earth dam primarily used for irrigation purposes.
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Summary
The dam stands at a height of 24 feet and spans a length of 498 feet, with a storage capacity of 205 acre-feet. The dam's normal storage level is 170 acre-feet, covering a surface area of 18 acres and serving a drainage area of 680 acres.
Although the dam is uncontrolled in terms of spillway and outlet gates, its hazard potential is rated as low, with a moderate risk assessment score of 3. The last inspection of the dam was conducted in June 2010, with an inspection frequency of every 5 years. Despite being in a moderate-risk category, the dam's condition assessment is listed as "Not Rated," with no specific date for the assessment provided.
Lake Kelly Irrigation Dam serves as a crucial water resource for the surrounding area, supporting agricultural activities through irrigation. While the dam's risk level is moderate, ongoing inspections and risk management measures are essential to ensure the safety and functionality of this vital infrastructure in the face of potential climate challenges and water resource management needs.
Dam Length |
498 |
Dam Height |
24 |
River Or Stream |
UNKNOWN |
Primary Dam Type |
Earth |
Surface Area |
18 |
Drainage Area |
680 |
Nid Storage |
205 |
Outlet Gates |
Uncontrolled |
Hazard Potential |
Low |
Foundations |
Unlisted/Unknown |
Nid Height |
24 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Ohoopee River Near Reidsville
|
218cfs |
Altamaha River Near Baxley
|
4930cfs |
Canoochee River Near Claxton
|
83cfs |
Oconee River Near Mount Vernon
|
1610cfs |
Ocmulgee River At Lumber City
|
2940cfs |
Altamaha River At Doctortown
|
5210cfs |
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 Kelly Irrigation Dam