Scs-Cavalry Creek Site-21 Reservoir Report
Last Updated: December 6, 2025
SCS-Cavalry Creek Site-21, located in Cordell, Oklahoma, is a state-regulated dam designed by the USDA NRCS with a primary purpose of flood risk reduction.
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Summary
Completed in 1957, this earth dam stands at a height of 38 feet and spans 1000 feet in length, providing a maximum storage capacity of 445 acre-feet. The dam features a controlled spillway with a width of 1 foot and is equipped with a single valve outlet gate for controlled release of water.
With a hazard potential rated as low and a very high risk assessment score of 1, SCS-Cavalry Creek Site-21 has not been assessed for condition and emergency preparedness in recent years. Despite lacking a current condition assessment, regular inspections are mandated for this dam every five years to ensure its structural integrity and safety. The dam is situated in the Tulsa District and falls under the jurisdiction of the OWRB, providing a vital role in managing flood risks in the area.
Water resource and climate enthusiasts will find SCS-Cavalry Creek Site-21 to be an intriguing example of flood risk reduction infrastructure in Washita County, Oklahoma. This dam serves as a critical piece of the state's water management efforts, showcasing the collaborative work between the USDA NRCS and state regulatory agencies. The data highlights the technical specifications of the dam, including its dimensions, storage capacity, and spillway design, offering a glimpse into the engineering behind flood control structures. Further assessments and updates on emergency preparedness will be essential to ensure the continued effectiveness of SCS-Cavalry Creek Site-21 in safeguarding the local community from potential flooding events.
Year Completed |
1957 |
Dam Length |
1000 |
Dam Height |
38 |
River Or Stream |
TR-N.CAVALRY CR |
Primary Dam Type |
Earth |
Surface Area |
16 |
Hydraulic Height |
38 |
Nid Storage |
445 |
Structural Height |
38 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
38 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Washita River Near Clinton
|
32cfs |
Washita River Near Foss
|
6cfs |
Cobb Creek Near Eakly
|
16cfs |
Washita River Near Hammon
|
7cfs |
North Fork Red River Near Carter
|
21cfs |
Lake Creek Near Eakly
|
4cfs |
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.
Scs-Cavalry Creek Site-21