Cooper Lake Dam Reservoir Report
Nearby: Taton Lake Dam Omni Lake No 2 Dam
Last Updated: December 5, 2025
Cooper Lake Dam, located in Cabot, Arkansas, is a private-owned structure designed by the USDA NRCS in 1950 for the primary purpose of recreation.
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Summary
This earth dam stands at a height of 22 feet and spans 200 feet in length, with a storage capacity of 100 acre-feet. Situated on Bayou Two Prairie-TR, the dam is managed by the Vicksburg District of the US Army Corps of Engineers and is deemed to have a significant hazard potential.
Despite not being state-regulated, Cooper Lake Dam poses a moderate risk, with its condition assessed as not rated. The dam's spillway type is uncontrolled, and it currently does not have any outlet gates or associated structures. While the emergency action plan has not been prepared or updated, the dam meets guidelines for risk assessment, with measures in place to manage potential risks.
Water resource and climate enthusiasts may find Cooper Lake Dam intriguing for its recreational purpose and design by the USDA NRCS. With its significant hazard potential and moderate risk assessment, the dam serves as a critical structure in the Lonoke County region of Arkansas. As a private-owned facility, its management and maintenance are of utmost importance to ensure the safety and security of the surrounding communities and water resources.
Year Completed |
1950 |
Dam Length |
200 |
Dam Height |
22 |
River Or Stream |
BAYOU TWO PRAIRIE-TR |
Primary Dam Type |
Earth |
Hydraulic Height |
22 |
Nid Storage |
100 |
Structural Height |
22 |
Hazard Potential |
Significant |
Nid Height |
22 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Dam Data Reference
Condition Assessment
SatisfactoryNo 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
HighDams 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.
Cooper Lake Dam