Amerson Mill Pond Reservoir Report

Last Updated: December 5, 2025

Amerson Mill Pond, also known as Mays Millpond Dam, is a privately owned recreational water resource located in the Sparks Community of Washington, Georgia.


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Summary

Built in 1957 by designer Tom Hamilton, this earth dam stands at 14 feet in height and spans 720 feet in length, creating a surface area of 39 acres and a storage capacity of 496 acre-feet. Situated on the Williamson Swamp Creek, this dam serves primarily for recreation purposes and is regulated by the state jurisdiction of Georgia.

Despite its low hazard potential, Amerson Mill Pond has a moderate risk assessment rating of 3, indicating a need for ongoing monitoring and management. The dam has not been inspected since December 2002, with a scheduled inspection frequency of every 5 years. The condition of the dam is currently not rated, and there are no emergency action plans in place. With its uncontrolled spillway and outlet gates, the dam presents a moderate risk that requires attention to ensure the safety and integrity of the structure.

As a focal point for the community, Amerson Mill Pond provides a valuable recreational outlet for residents and visitors alike. Its proximity to the Williamson Swamp Creek offers opportunities for fishing, boating, and other water-based activities. With its historical significance dating back to the mid-20th century, this dam represents a cherished piece of Georgia's water resource and climate landscape that warrants continued attention and preservation efforts.

Year Completed

1957

Dam Length

720

Dam Height

14

River Or Stream

WILLIAMSON SWAMP CREEK

Primary Dam Type

Earth

Surface Area

39

Drainage Area

7260

Nid Storage

496

Outlet Gates

Uncontrolled

Hazard Potential

Low

Foundations

Unlisted/Unknown

Nid Height

14
       
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Dam Data Reference

Condition Assessment

Satisfactory
No 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

High
Dams 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.