Scs-Upper Washita Creek Site-047 Reservoir Report

Last Updated: December 6, 2025

SCS-Upper Washita Creek Site-047, located in Roger Mills, Oklahoma, is a state-regulated dam designed by the USDA NRCS in 1961 for the primary purpose of flood risk reduction along TR Rush Creek.


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Summary

This earth dam stands at a height of 33 feet and has a hydraulic height of 29 feet, with a total length of 1227 feet. The dam has a storage capacity of 573 acre-feet, with a normal storage level of 186 acre-feet and a surface area of 25 acres.

The dam, managed by the Oklahoma state regulatory agency OWRB, has a controlled spillway with a width of 1 foot and is equipped with one valve outlet gate. Classified with a high hazard potential and fair condition assessment, SCS-Upper Washita Creek Site-047 poses a very high risk to the surrounding area in case of a breach. Despite its age, the dam has received inspections and maintenance, with the last recorded inspection in October 2011, indicating a commitment to ensuring its safety and functionality.

With its strategic location and critical role in flood risk reduction for the region, SCS-Upper Washita Creek Site-047 serves as a vital infrastructure for water resource management in Roger Mills, Oklahoma. Enthusiasts interested in water resources and climate resilience will find this dam site intriguing, as it highlights the importance of maintaining and monitoring crucial structures to protect communities and ecosystems from potential disasters.

Year Completed

1961

Dam Length

1227

Dam Height

33

River Or Stream

TR RUSH CREEK

Primary Dam Type

Earth

Surface Area

25

Hydraulic Height

29

Nid Storage

573

Structural Height

33

Outlet Gates

Valve - 1

Hazard Potential

High

Foundations

Soil

Nid Height

33
       
Seasonal Comparison

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.
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