Scs-Dead Indian-Wldhorse Cr Site-06 Reservoir Report

Last Updated: December 7, 2025

SCS-Dead Indian-Wldhorse Cr Site-06, located in Roger Mills, Oklahoma, is a state-regulated dam designed by the USDA NRCS for flood risk reduction along the TR-Washita River.


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Summary

Completed in 1959, this earth dam stands at a height of 26 feet and has a normal storage capacity of 70 acre-feet. With a significant hazard potential and a fair condition assessment, this dam is equipped with a controlled spillway and a single valve outlet gate for water release.

The dam, managed by the Oklahoma Water Resources Board, is situated in a very high-risk area and has a history of regular inspections every three years. Although its condition is assessed as fair, efforts are in place to ensure the safety and stability of the structure. The dam's emergency action plan status and risk management measures are currently undisclosed, but its design and purpose indicate a focus on mitigating flood risks and protecting the surrounding community in Strong City.

As water resource and climate enthusiasts, the SCS-Dead Indian-Wldhorse Cr Site-06 presents an intriguing case study of dam infrastructure in Oklahoma. With its historical significance, state regulation, and ongoing risk assessment, this dam serves as a vital component in flood risk reduction efforts along the TR-Washita River. Its location, design, and management reflect the complex interplay between human intervention and natural forces in water resource management.

Year Completed

1959

Dam Length

970

Dam Height

26

River Or Stream

TR-WASHITA RIVER

Primary Dam Type

Earth

Surface Area

14

Hydraulic Height

22

Nid Storage

217

Structural Height

26

Outlet Gates

Valve - 1

Hazard Potential

Significant

Foundations

Soil

Nid Height

26
       
Seasonal Comparison

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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.