Marbury Creek Ws # 3 Reservoir Report
Last Updated: December 23, 2025
Marbury Creek Watershed Structure #3, located in Fort Yargo State Park in Barrow, Georgia, was designed by the Natural Resources Conservation Service to serve primarily as a flood risk reduction measure along the Marbury Creek.
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Summary
This earthen dam, completed in 1964, stands at a height of 31 feet and spans a length of 532 feet, providing a storage capacity of 920 acre-feet. With a low hazard potential and a moderate risk assessment, the dam is currently deemed to be in good condition although it has not been rated recently.
While Marbury Creek WS #3 does not fall under state regulation or permitting, it is subject to state inspection as part of its maintenance protocol. The dam is designated as uncontrolled spillway type with uncontrolled outlet gates, and it has not been modified in recent years. The structure's location within the Fort Yargo State Park adds to its significance as a flood risk reduction measure for the surrounding area. Overall, Marbury Creek WS #3 serves as a vital component in managing water resources and mitigating flood risks in the region, showcasing the collaborative efforts between local and state government agencies in safeguarding the environment and communities against potential water-related disasters.
Dam Height |
31 |
Drainage Area |
1.6 |
Year Completed |
1964 |
Nid Storage |
920 |
Foundations |
Unlisted/Unknown |
Surface Area |
14 |
Outlet Gates |
Uncontrolled |
River Or Stream |
MARBURY CREEK |
Dam Length |
532 |
Hazard Potential |
Low |
Primary Dam Type |
Earth |
Nid Height |
31 |
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.
Marbury Creek Ws # 3