Dequeen Dam Reservoir Report

Last Updated: December 5, 2025

Dequeen Dam, also known as Dequeen Lake, is a federal-owned rockfill dam located in Sevier County, Arkansas.


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Summary

Completed in 1977, the dam serves multiple purposes including flood risk reduction, recreation, and water supply. Standing at a height of 160 feet with a hydraulic height of 145 feet, Dequeen Dam has a storage capacity of 370,600 acre-feet and a surface area of 1,700 acres.

Managed by the US Army Corps of Engineers, Dequeen Dam is equipped with an uncontrolled spillway and slide gates for water release. The dam poses a high hazard potential and undergoes regular inspections and emergency action plan updates to ensure public safety. USACE actively manages flood risks associated with the dam by monitoring its condition, prioritizing risk mitigation activities, and collaborating with local emergency managers to prepare for potential emergencies.

Despite the inherent risks associated with dam operations, USACE's comprehensive risk management measures aim to minimize the likelihood of dam-related emergencies and ensure the structural integrity of Dequeen Dam. By engaging with the community, implementing maintenance and repair strategies, and regularly updating emergency action plans, Dequeen Dam stands as a critical infrastructure for water resource management and climate resilience in the region.

Year Completed

1977

Dam Length

2360

Dam Height

160

River Or Stream

ROLLING FORK

Primary Dam Type

Rockfill

Surface Area

1700

Hydraulic Height

145

Drainage Area

169

Nid Storage

370600

Structural Height

160

Outlet Gates

Slide (sluice gate) - 0

Hazard Potential

High

Foundations

Rock

Nid Height

160
       
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.