Steeles Mill Reservoir Dam Reservoir Report

Last Updated: December 13, 2025

Steeles Mill Reservoir Dam, located in Locust Grove, Georgia, is a vital structure managed by the local government for water supply purposes.


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Summary

Completed in 1980, this masonry dam stands at a height of 42 feet and has a storage capacity of 8,333 acre-feet. Situated on the Towaliga River, the dam plays a crucial role in managing water resources in the region, with a normal storage capacity of 377 acre-feet and a surface area of 121 acres.

The dam's primary purpose is to ensure a reliable water supply for the surrounding area, with a high hazard potential due to its structure and location. Despite this, the dam is in satisfactory condition as of the last inspection in January 2016, with a moderate risk assessment rating. The Georgia-SAFE DAMS PROGRAM regulates and inspects the dam regularly, ensuring its safety and functionality for the community. As a key infrastructure piece, the Steeles Mill Reservoir Dam is an essential asset in water resource management and climate adaptation efforts in Henry County, Georgia.

Year Completed

1980

Dam Length

175

Dam Height

42

River Or Stream

Towaliga River

Primary Dam Type

Masonry

Surface Area

121

Drainage Area

56.6

Nid Storage

8333

Outlet Gates

Uncontrolled

Hazard Potential

High

Foundations

Unlisted/Unknown

Nid Height

42
       
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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.