Bentley Lake Dam Reservoir Report

Last Updated: December 5, 2025

Bentley Lake Dam, located in Randolph, Georgia, serves as a crucial irrigation structure along Falling Creek.


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Summary

This private earth dam stands at a height of 8.9 feet, with a structural height of 8.8 feet and a length of 1275 feet. The dam boasts a storage capacity of 81.5 acre-feet, primarily utilized for irrigation purposes in the region. Despite its low hazard potential and moderate risk assessment, the dam's condition remains unrated, emphasizing the need for further evaluation and maintenance to ensure its long-term viability.

Managed by a private entity, Bentley Lake Dam has not undergone recent inspections or assessments, highlighting the importance of proactive monitoring and risk management practices. With an uncontrolled spillway and outlet gates, the dam's emergency action plan status, inundation maps, and risk management measures are currently unspecified. Given its critical role in water resource management and climate resilience, stakeholders and water resource enthusiasts should advocate for enhanced monitoring, evaluation, and maintenance protocols to safeguard Bentley Lake Dam's integrity and optimize its performance for irrigation and environmental conservation purposes.

As an earth dam structure with a buttress core type, Bentley Lake Dam is nestled within the Mobile District and falls under the jurisdiction of the state of Georgia. Its significance in supporting agricultural activities underscores the importance of proactive stewardship and sustainable water management practices to uphold its functionality and resilience in the face of evolving climate conditions. By promoting collaboration and investment in maintenance and risk mitigation strategies, water resource enthusiasts can contribute to ensuring the longevity and effectiveness of Bentley Lake Dam in serving the irrigation needs of the region while minimizing environmental impacts.

Dam Length

1275

Dam Height

8.9

River Or Stream

FALLING CREEK

Primary Dam Type

Earth

Surface Area

12.8

Nid Storage

81.5

Structural Height

8.8

Outlet Gates

Uncontrolled

Hazard Potential

Low

Foundations

Unlisted/Unknown

Nid Height

9
       
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.