Sixmile Creek Wid Site 06 Reservoir Report

Last Updated: December 5, 2025

Sixmile Creek Wid Site 06, also known as Fletcher Lake, is a local government-owned structure located in Caulksville, Arkansas.


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Summary

This dam, designed by the USDA NRCS, serves the primary purpose of flood risk reduction along the Sixmile Creek river. Completed in 1954, the Earth-type dam stands at a height of 38.9 feet and has a length of 2412 feet, providing storage for a normal capacity of 232 acre-feet.

Managed by the Natural Resources Conservation Service, Sixmile Creek Wid Site 06 has a significant hazard potential and a moderate risk assessment. While it is state-regulated and permitted, its condition has not been rated, and the last inspection took place in 2015. Despite its uncontrolled spillway type, the dam plays a crucial role in mitigating flood risks in the area, with a maximum discharge capacity of 16,400 cubic feet per second.

Enthusiasts of water resources and climate management will find Sixmile Creek Wid Site 06 an intriguing structure, with its historical significance dating back to the mid-20th century. The dam's location in Logan County, Arkansas, highlights the importance of local government initiatives in safeguarding communities against potential flooding events. As efforts continue to ensure the safety and effectiveness of the dam, its role in flood risk reduction remains vital for the surrounding area's water resource management and climate resilience.

Year Completed

1954

Dam Length

2412

Dam Height

38.9

River Or Stream

SIXMILE CREEK

Primary Dam Type

Earth

Surface Area

37

Hydraulic Height

38.9

Drainage Area

4.1

Nid Storage

1958

Structural Height

38.9

Hazard Potential

Significant

Nid Height

39
       
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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.