Sixmile Creek Wid Site 07 Reservoir Report

Last Updated: December 5, 2025

Sixmile Creek Wid Site 07, also known as Sixmile Creek Watershed Site 7 Dam, is a privately owned structure in Logan, Arkansas, designed by the USDA NRCS for flood risk reduction along the Six Mile Creek.


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Summary

This earth dam, completed in 1955, stands at a hydraulic height of 16 feet and a structural height of 24 feet, with a length of 2079 feet. The dam has a maximum storage capacity of 1760 acre-feet and a normal storage level of 295 acre-feet, serving its primary purpose effectively.

Despite not being regulated by the state, Sixmile Creek Wid Site 07 is deemed to have a significant hazard potential with a moderate risk level. The dam features an uncontrolled spillway and outlet gates, with a last inspection conducted in January 2015. While the condition assessment is currently not rated, the risk management measures and emergency action preparedness status remain undisclosed. This site offers a valuable case study for water resource and climate enthusiasts interested in the design, construction, and management of earth dams for flood risk reduction in Arkansas.

Year Completed

1955

Dam Length

2079

River Or Stream

SIX MILE CREEK

Primary Dam Type

Earth

Hydraulic Height

16

Nid Storage

1760

Structural Height

24

Outlet Gates

Uncontrolled

Hazard Potential

Significant

Nid Height

24
       
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.