Scs-Beaver Dam Creek Site-5 Reservoir Report

Last Updated: December 9, 2025

SCS-Beaver Dam Creek Site-5, located in Roger Mills County, Oklahoma, is a state-regulated earth dam designed by the USDA NRCS for flood risk reduction along the TR-Washita River.


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Summary

Completed in 1964, this dam stands at a height of 38 feet and has a length of 1300 feet, with a storage capacity of 765 acre-feet and a normal storage of 184 acre-feet. The dam features a controlled spillway and a single valve outlet gate, with a low hazard potential and a very high risk assessment rating.

Despite its age, SCS-Beaver Dam Creek Site-5 has not been rated for its current condition, as the last inspection was conducted in 1980. The dam is under the jurisdiction of the OWRB and is subject to state permitting, inspection, and enforcement. While the dam has not been modified in recent years, it remains a critical infrastructure for flood risk management in the area, serving as a barrier to protect downstream areas from potential inundation. With its strategic location and design features, SCS-Beaver Dam Creek Site-5 plays a vital role in safeguarding communities and supporting water resource management efforts in Oklahoma.

Year Completed

1964

Dam Length

1300

Dam Height

38

River Or Stream

TR-WASHITA RIVER

Primary Dam Type

Earth

Surface Area

24

Hydraulic Height

38

Nid Storage

765

Structural Height

38

Outlet Gates

Valve - 1

Hazard Potential

Low

Foundations

Soil

Nid Height

38
       
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.