Moseley Millpond Dam Reservoir Report
Last Updated: December 8, 2025
Moseley Millpond Dam, located in Tattnall, Georgia, is a privately owned Earth dam on Thomas Creek.
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Summary
Standing at a height of 10 feet with a length of 1325 feet, this dam has a normal storage capacity of 33 acre-feet and a maximum storage of 125 acre-feet. The dam's spillway is uncontrolled, and it is classified as having a low hazard potential.
Despite being unregulated by the state, Moseley Millpond Dam undergoes regular inspections, with the last one conducted in July 2002. The dam is considered to have a moderate risk level (3) and has not been rated for its condition. With a history of unknown designer and completion year, this dam serves as an important structure for water resource management in the area. Water resource and climate enthusiasts may find Moseley Millpond Dam an intriguing site to study and explore due to its unique characteristics and location within the Savannah District.
Dam Length |
1325 |
Dam Height |
10 |
River Or Stream |
THOMAS CREEK |
Primary Dam Type |
Earth |
Nid Storage |
125 |
Outlet Gates |
Uncontrolled |
Hazard Potential |
Low |
Foundations |
Unlisted/Unknown |
Nid Height |
10 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Ohoopee River Near Reidsville
|
189cfs |
Canoochee River Near Claxton
|
48cfs |
Altamaha River Near Baxley
|
5010cfs |
Altamaha River At Doctortown
|
3940cfs |
Oconee River Near Mount Vernon
|
1960cfs |
Black Creek Near Blitchton
|
53cfs |
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.
Moseley Millpond Dam