Middle Oconee-Walnut Creek Ws Structure # 17 Reservoir Report
Last Updated: December 5, 2025
Middle Oconee-Walnut Creek Watershed Structure # 17 is a significant flood risk reduction dam located in Jackson, Georgia.
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Summary
Built in 1968 by the Natural Resources Conservation Service, this earth dam stands at 28 feet tall and spans 1080 feet in length. With a storage capacity of 277 acre-feet, it serves the primary purpose of flood risk reduction in the area, helping to mitigate potential hazards during heavy rainfall events.
Despite its age, Middle Oconee-Walnut Creek WS Structure # 17 has a low hazard potential and has not been rated for its current condition. The dam is inspected every five years, with the last assessment conducted in August 2016. While the risk assessment deems the structure to have a moderate risk level, no specific risk management measures or emergency action plans have been documented for this dam. Overall, Middle Oconee-Walnut Creek WS Structure # 17 plays a crucial role in managing flood risks in the region, offering protection to the local community and surrounding areas.
Situated within the Savannah District of the US Army Corps of Engineers, this dam provides essential flood protection for the Middle Oconee-Walnut Creek watershed. With its uncontrolled spillway and outlet gates, the structure helps regulate water flow and reduce potential inundation risks. While further updates on its emergency action plan and risk management strategies may be needed, Middle Oconee-Walnut Creek WS Structure # 17 remains a vital asset in safeguarding the community against the impacts of severe weather events.
Year Completed |
1968 |
Dam Length |
1080 |
Dam Height |
28 |
River Or Stream |
UNKNOWN |
Primary Dam Type |
Earth |
Surface Area |
8 |
Drainage Area |
495 |
Nid Storage |
277 |
Outlet Gates |
Uncontrolled |
Hazard Potential |
Low |
Foundations |
Unlisted/Unknown |
Nid Height |
28 |
Seasonal Comparison
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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.
Middle Oconee-Walnut Creek Ws Structure # 17