Scs-Cavalry Creek Site-12 Reservoir Report

Last Updated: December 6, 2025

The SCS-Cavalry Creek Site-12 in Cloud Chief, Oklahoma, is a state-regulated earth dam designed by the USDA NRCS for flood risk reduction.


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Summary

Completed in 1959, this dam stands at a height of 27 feet and spans 900 feet in length, with a storage capacity of 468 acre-feet. The dam is primarily used for flood risk reduction and is situated on the TR-ROCY Creek, under the jurisdiction of the OWRB in Washita County.

Despite being classified as having a low hazard potential, the dam at SCS-Cavalry Creek Site-12 poses a very high risk due to its condition not being rated and lacking recent inspections since 1980. Emergency action preparedness, risk assessment, and management measures are not documented, raising concerns about the safety and effectiveness of the dam in the event of a flood or other potential hazards. With a controlled spillway and one outlet valve, there is a need for updated risk assessments, inspections, and emergency preparedness to ensure the proper functioning and safety of this critical infrastructure.

For water resource and climate enthusiasts, the SCS-Cavalry Creek Site-12 presents a unique case study in dam safety and management. With a focus on flood risk reduction, the dam's historical significance and current state offer valuable insights into the challenges and opportunities in maintaining aging infrastructure for water resource management. As efforts to address climate change intensify, the importance of ensuring the resilience and reliability of dams like SCS-Cavalry Creek Site-12 becomes increasingly crucial in safeguarding communities and ecosystems against the impacts of extreme weather events.

Year Completed

1959

Dam Length

900

Dam Height

27

River Or Stream

TR-ROCY CREEK

Primary Dam Type

Earth

Surface Area

25

Hydraulic Height

27

Nid Storage

468

Structural Height

27

Outlet Gates

Valve - 1

Hazard Potential

Low

Foundations

Soil

Nid Height

27
       
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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.