Usher's Millpond Dam Reservoir Report
Nearby: Forts Lake Dam Hodchodkee Lake Dam
Last Updated: December 5, 2025
Usher's Millpond Dam, located in Stewart, Georgia, serves as a recreational site along the Wimberly Mill Branch river.
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Summary
This private-owned earth dam stands at a height of 13.8 feet with a hydraulic height of 15.8 feet, providing a storage capacity of 200.7 acre-feet. Despite being unregulated by the state, the dam is inspected regularly, with its last assessment conducted in September 2019, rating its hazard potential as low and its condition as not rated.
While the dam's primary purpose is for recreation, its spillway type is uncontrolled, and it features uncontrolled outlet gates. With a moderate risk assessment rating of 3, the dam is deemed to have a moderate level of risk, prompting the need for risk management measures to ensure the safety of the surrounding area. The dam's location in Lumpkin, Georgia, under the jurisdiction of the state, highlights the importance of ongoing monitoring and maintenance to mitigate any potential hazards and protect the community and environment from adverse impacts. Water resource and climate enthusiasts can appreciate the unique characteristics of Usher's Millpond Dam and its role in providing recreational opportunities while also recognizing the importance of managing its associated risks.
Dam Length |
465 |
Dam Height |
13.8 |
River Or Stream |
WIMBERLY MILL BRANCH |
Primary Dam Type |
Earth |
Surface Area |
9.2 |
Hydraulic Height |
15.8 |
Nid Storage |
200.7 |
Outlet Gates |
Uncontrolled |
Hazard Potential |
Low |
Foundations |
Unlisted/Unknown |
Nid Height |
16 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Hannahatchee Creek At Union
|
107cfs |
Kinchafoonee Creek At Preston
|
220cfs |
Uchee Creek Near Fort Mitchell
|
118cfs |
Upatoi Creek Near Columbus
|
275cfs |
Chattahoochee River At Us 280
|
1990cfs |
Muckalee Creek Near Americus
|
222cfs |
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.
Usher's Millpond Dam