Rocky Mtn Dam A Reservoir Report

Last Updated: December 5, 2025

Rocky Mtn Dam A, also known as Lower Reservoir Dam A, is a privately owned structure located in Floyd, Georgia, near the city of Armuchee.


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Summary

Built in 1992 by HARZA ENGINEERING, this earth dam stands at a height of 70 feet and serves a primary purpose of generating hydroelectric power. With a storage capacity of 23,500 acre-feet, it plays a crucial role in water resource management in the region.

Situated on Heath Creek and the Armuchee River, Rocky Mtn Dam A covers a surface area of 604 acres and has a drainage area of 14 square miles. Despite its high hazard potential, the dam lacks a spillway and is not regulated by the state. Its critical infrastructure status is overseen by the Federal Energy Regulatory Commission, ensuring regular inspections and adherence to safety protocols.

Although the condition assessment of Rocky Mtn Dam A is not available, its risk level is classified as high, indicating the need for robust risk management measures. With its strategic location and significant contribution to hydroelectric power generation, this dam stands as a vital component of Georgia's water resource and climate resilience infrastructure.

Year Completed

1992

Dam Length

1260

Dam Height

70

River Or Stream

Heath Creek, Armuchee River

Primary Dam Type

Earth

Surface Area

604

Hydraulic Height

68

Drainage Area

14

Nid Storage

23500

Structural Height

94

Hazard Potential

High

Foundations

Rock, Soil

Nid Height

94
       
Seasonal Comparison

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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.