Cobb Irrigation Pond Dam Reservoir Report
Nearby: Brett Pond Dam Henderson Lake Dam
Last Updated: December 5, 2025
Cobb Irrigation Pond Dam, located in Jefferson, Georgia, is a privately-owned structure primarily used for recreation.
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Summary
The earth dam, completed in 1976, stands at 27 feet high with a hydraulic height of 24 feet. The dam stretches 780 feet in length and has a storage capacity of 169 acre-feet, providing ample water resources for various recreational activities in the area.
Although the dam is categorized as having a low hazard potential, its condition is currently not rated. Despite this, it undergoes inspections every five years to ensure its structural integrity and safety. The spillway type is uncontrolled, and the outlet gates are also uncontrolled, indicating a need for continuous monitoring and maintenance to prevent potential risks. The risk assessment for the dam is moderate, signaling the importance of implementing appropriate risk management measures to safeguard the surrounding area and water resources.
As a valuable resource for water enthusiasts and climate advocates, Cobb Irrigation Pond Dam serves as a focal point for recreational activities while also highlighting the significance of proper dam maintenance and risk assessment. With its unique design features and historical significance dating back to the 1970s, the dam stands as a testament to the importance of balancing water resource utilization with safety measures to protect both the ecosystem and community residents.
Year Completed |
1976 |
Dam Length |
780 |
Dam Height |
27 |
River Or Stream |
UNKNOWN |
Primary Dam Type |
Earth |
Surface Area |
10 |
Hydraulic Height |
24 |
Nid Storage |
169 |
Structural Height |
24 |
Outlet Gates |
Uncontrolled |
Hazard Potential |
Low |
Foundations |
Unlisted/Unknown |
Nid Height |
27 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Williamson Swamp Creek At Davisboro
|
83cfs |
Ogeechee River At Midville
|
662cfs |
Buffalo Creek At Ga 272
|
145cfs |
Oconee River Near Oconee
|
1430cfs |
Brier Creek Near Waynesboro
|
399cfs |
Oconee River At Avant Mine
|
846cfs |
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.
Cobb Irrigation Pond Dam