Loch Highland Upper Lake Dam Reservoir Report

Last Updated: December 5, 2025

Loch Highland Upper Lake Dam, located in Cobb, Georgia, is a privately owned Earth dam primarily designed for recreation purposes.


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Summary

Built in 1974 by COBB CO. ENG., this dam stands at a height of 27 feet and has a storage capacity of 330 acre-feet. With a hazard potential rated as high and a condition assessment marked as satisfactory in the last inspection in February 2016, this dam plays a crucial role in water resource management in the area.

Regulated by the GA-SAFE DAMS PROGRAM and subject to state inspection and enforcement, Loch Highland Upper Lake Dam is situated in a picturesque setting with a surface area of 8 acres and a drainage area of 1708 acres. The dam's spillway type is uncontrolled, with uncontrolled outlet gates, presenting a potential risk that is categorized as moderate. The dam's risk management measures and emergency preparedness status are currently undisclosed, highlighting the importance of ongoing monitoring and maintenance to ensure the safety and integrity of this vital water resource infrastructure.

With its proximity to the Mobile District and under the jurisdiction of the state of Georgia, Loch Highland Upper Lake Dam serves as a key recreational and water management asset. As water resource and climate enthusiasts, it is essential to stay informed about the condition and regulatory oversight of dams like Loch Highland Upper Lake Dam to contribute to the sustainable management of our natural resources and the resilience of our communities in the face of changing environmental conditions.

Year Completed

1974

Dam Length

421

Dam Height

27

River Or Stream

UNKNOWN

Primary Dam Type

Earth

Surface Area

8

Hydraulic Height

24

Drainage Area

1708

Nid Storage

330

Outlet Gates

Uncontrolled

Hazard Potential

High

Foundations

Unlisted/Unknown

Nid Height

27
       
Seasonal Comparison

Weather Forecast

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.