Oknoname 137042 Reservoir Report

Last Updated: December 8, 2025

Oknoname 137042 is a privately owned earth dam located in Stephens, Oklahoma, near the city of HOPE.


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Summary

Built in 1970, this dam stands at 30 feet high with a hydraulic height of 26 feet, serving the primary purpose of "Other." It is regulated by the Oklahoma Water Resources Board and has a low hazard potential, making it a relatively safe structure. The dam impounds TR CLEAR CREEK, with a storage capacity of 79 acre-feet and a maximum discharge of 1240 cubic feet per second.

Despite its relatively low hazard potential, Oknoname 137042 is classified as having a very high risk due to its structural condition being "Not Rated." The dam features a controlled spillway and a single valve outlet gate. It has not been modified in recent years, and its last inspection was conducted in September 2011, with an inspection frequency of five years. The dam is within the jurisdiction of the Tulsa District of the US Army Corps of Engineers, under the representation of Congressman Tom Cole (R). Overall, Oknoname 137042 represents an intriguing case study for water resource and climate enthusiasts, showcasing the management and assessment challenges associated with aging infrastructure in the face of evolving regulatory standards.

Year Completed

1970

Dam Length

321

Dam Height

30

River Or Stream

TR CLEAR CREEK

Primary Dam Type

Earth

Hydraulic Height

26

Nid Storage

79

Structural Height

30

Outlet Gates

Valve - 1

Hazard Potential

Low

Foundations

Soil

Nid Height

30
       
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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Area Campgrounds