Lake Peachtree Dam Reservoir Report

Last Updated: December 6, 2025

Lake Peachtree Dam in Peachtree City, Georgia, stands as a crucial component for water supply and recreation in the area.


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Summary

Built in 1960 by Williams and Singleton, this earth dam on Flat Creek reaches a height of 24 feet and stretches 311 feet in length, providing a storage capacity of 3,569 acre-feet. With a normal storage capacity of 1,840 acre-feet and a surface area of 230 acres, the dam serves as a vital resource for the community.

Despite being labeled with a low hazard potential, the dam's risk assessment stands at a moderate level, signaling the need for ongoing monitoring and maintenance. Inspected every 5 years, the dam's condition remains unrated, and its emergency action plan status is yet to be determined. With uncontrolled spillways and outlet gates, the dam poses a moderate risk that warrants attention from local authorities and stakeholders to ensure its continued safety and functionality.

As the primary source of water supply for Peachtree City, Lake Peachtree Dam plays a critical role in the region's water management infrastructure. With its recreational value and essential water storage capacity, the dam serves as a key asset for the community. As water resource and climate enthusiasts, it is essential to monitor and address any potential risks associated with the dam to safeguard its longevity and functionality for future generations.

Year Completed

1960

Dam Length

311

Dam Height

24

River Or Stream

Flat Creek

Primary Dam Type

Earth

Surface Area

230

Hydraulic Height

22.7

Drainage Area

2000

Nid Storage

3569

Outlet Gates

Uncontrolled

Hazard Potential

Low

Foundations

Unlisted/Unknown

Nid Height

24
       
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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.