Holder Lake Dam Reservoir Report
Nearby: Pca Lake Dam East Dupre Lake Dam
Last Updated: December 13, 2025
Holder Lake Dam, located in Calhoun County, Georgia, is a private dam managed by the NRCS.
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Summary
Standing at a height of 11 feet with a hydraulic height of 10 feet, this earth dam holds a storage capacity of 172 acre-feet and covers a surface area of 13.3 acres. While the dam is classified as low hazard potential, it is inspected every five years to ensure its structural integrity and safety.
Despite being unregulated by the state, Holder Lake Dam remains under private ownership and is not subject to state permitting or enforcement. The dam features an uncontrolled spillway and outlet gates, with a spillway width that is unspecified. With a moderate risk assessment rating of 3, the dam is deemed to have adequate risk management measures in place. The last inspection conducted on the dam was in October 2015, and its condition is currently listed as "Not Rated".
As a vital infrastructure for water resource management in the region, Holder Lake Dam plays a crucial role in providing water storage and flood protection. Its location in Morgan City, Georgia, contributes to the conservation of natural resources and supports the ecological balance of the area. With its sturdy construction and regular inspections, Holder Lake Dam stands as a testament to effective dam management and environmental stewardship in the face of changing climate conditions.
Dam Length |
240 |
Dam Height |
11 |
River Or Stream |
Name Unknown |
Primary Dam Type |
Earth |
Surface Area |
13.3 |
Hydraulic Height |
10 |
Nid Storage |
172 |
Outlet Gates |
Uncontrolled |
Hazard Potential |
Low |
Foundations |
Unlisted/Unknown |
Nid Height |
11 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Ichawaynochaway Creek At Ga 37
|
249cfs |
Pachitla Creek Near Edison
|
139cfs |
Ichawaynochaway Creek At Milford
|
418cfs |
Chickasawhatchee Creek At Elmodel
|
112cfs |
Ichawaynochaway Creek Near Elmodel
|
574cfs |
Flint River At Newton
|
4120cfs |
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.
Holder Lake Dam