Cypress Bayou Lake Near Benton Reservoir Report

Last Updated: December 5, 2025

Cypress Bayou Lake is a reservoir located near Benton, Louisiana, and was created in the 1960s for flood control purposes.


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Summary

The lake's hydrology is influenced by the Red River, which feeds into it and causes it to fluctuate in size. The lake also receives water from several smaller streams and creeks. The area surrounding the lake is primarily agricultural, with cotton and soybean farming being common. Recreational uses of the lake include fishing, boating, and camping, and the lake is home to a variety of fish species, including bass, catfish, and crappie. The lake also serves as a source of water for the Shreveport-Bossier City area. While snowpack is not typically a significant factor in the lake's hydrology, heavy rainfall events can cause the lake to flood.

Reservoir Details

Lake Or Reservoir Water Surface Elevation Above Ngvd 1929, Ft 24hr Change 0.01%
Percent of Normal 100%
Minimum 176.33 ft
2021-06-21
Maximum 181.98 ft
2021-03-03
Average 179 ft
Dam_Height 34
Hydraulic_Height 34
Drainage_Area 25.6
Year_Completed 1975
Nid_Storage 18000
Structural_Height 41
River_Or_Stream BLACK BAYOU
Foundations Soil
Surface_Area 750
Hazard_Potential High
Outlet_Gates Vertical Lift
Dam_Length 4800
Primary_Dam_Type Earth
Nid_Height 41
       
Seasonal Comparison
Gage Height, Ft Levels
Lake Or Reservoir Water Surface Elevation Above Ngvd 1929, Ft Levels

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.