Oakley Lake Dam Reservoir Report

Last Updated: December 5, 2025

Oakley Lake Dam, located in Jefferson County, Arkansas, is a privately owned structure primarily used for recreation purposes.


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Summary

Constructed in 1959 by the USDA NRCS, this earth dam stands at a hydraulic height of 12 feet and a structural height of 13 feet, with a length of 1420 feet. With a storage capacity of 63 acre-feet, the dam serves as a vital resource for the surrounding area, offering a serene lake for outdoor activities such as fishing, boating, and picnicking.

Despite its low hazard potential and moderate risk assessment, Oakley Lake Dam has not been inspected or assessed for condition status. While the dam currently meets safety guidelines, there is no emergency action plan in place, raising concerns about preparedness in case of any unforeseen events. With a maximum discharge capacity of 212 cubic feet per second, the uncontrolled spillway type poses potential risks that should be addressed through regular inspections and maintenance to ensure the safety and integrity of the dam for both recreational and environmental purposes.

As an essential feature of the Nevins Creek watershed, Oakley Lake Dam plays a crucial role in water resource management and climate resilience in the region. With its picturesque setting and recreational opportunities, it serves as a valuable asset for the local community while also highlighting the importance of sustainable dam operations and maintenance practices to safeguard the surrounding ecosystem and ensure long-term water security for future generations.

Year Completed

1959

Dam Length

1420

River Or Stream

NEVINS CREEK-TR

Primary Dam Type

Earth

Hydraulic Height

12

Nid Storage

63

Structural Height

13

Hazard Potential

Low

Nid Height

13
       
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.