Middle Oconee-Walnut Creek 6 Reservoir Report
Last Updated: December 5, 2025
Middle Oconee-Walnut Creek 6 is a vital flood risk reduction structure located in Jackson, Georgia, owned by the local government and managed by the USDA NRCS.
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Summary
Completed in 1969, this earth dam stands at a height of 27 feet and has a storage capacity of 732 acre-feet, serving the primary purpose of flood risk reduction along Mountain Creek. With a significant hazard potential and a moderate risk assessment score, this dam plays a crucial role in protecting the surrounding area from potential flooding events.
Despite its age, Middle Oconee-Walnut Creek 6 has maintained a condition assessment of "Not Available" as of the last inspection in 2006. The dam features an uncontrolled spillway with a width of 150 feet and a maximum discharge capacity of 1260 cubic feet per second. With a drainage area of 2.56 square miles and a surface area of 20 acres, this dam serves as a key infrastructure in the region's water resource management system. As water resource and climate enthusiasts, staying informed about the condition and management of Middle Oconee-Walnut Creek 6 is essential for ensuring the safety and resilience of the community in the face of potential flood events.
Year Completed |
1969 |
Dam Length |
421 |
Dam Height |
27 |
River Or Stream |
Mountain Creek |
Primary Dam Type |
Earth |
Surface Area |
20 |
Drainage Area |
2.56 |
Nid Storage |
732 |
Hazard Potential |
Significant |
Nid Height |
27 |
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.
Middle Oconee-Walnut Creek 6
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