Scs-Cavalry Creek Site-07a Reservoir Report

Last Updated: December 6, 2025

SCS-Cavalry Creek Site-07a, located in Cloud Chief, Oklahoma, is a state-regulated earth dam designed by USDA NRCS to primarily reduce flood risk along the TR-SOUTH FORK CAVALRY CR river or stream.


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Summary

Completed in 1959, this dam stands at a height of 36 feet and spans 800 feet in length, with a storage capacity of 900 acre-feet. Despite being rated as having a low hazard potential, the risk assessment for this site is considered very high.

Managed by the Oklahoma Water Resources Board (OWRB), SCS-Cavalry Creek Site-07a features a controlled spillway with a width of 2 feet and one outlet gate. Although the dam's condition has not been recently assessed, it is currently not rated for its condition. With a maximum discharge of 9300 cubic feet per second, this site plays a crucial role in mitigating flood risks and protecting the surrounding Washita County from potential inundation events. Overall, SCS-Cavalry Creek Site-07a serves as a vital piece of infrastructure in the region's water resource and climate management efforts.

Year Completed

1959

Dam Length

800

Dam Height

36

River Or Stream

TR-SOUTH FORK CAVALRY CR

Primary Dam Type

Earth

Surface Area

31

Hydraulic Height

36

Nid Storage

900

Structural Height

36

Outlet Gates

Valve - 1

Hazard Potential

Low

Foundations

Soil

Nid Height

36
       
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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.