Oknoname 137039 Reservoir Report

Last Updated: December 8, 2025

Oknoname 137039 is a privately owned earth dam located in Stephens, Oklahoma, specifically in the city of Hope.


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Summary

Completed in 1975, this dam stands at a height of 25 feet and has a hydraulic height of 21 feet, with a length of 400 feet. It serves a primary purpose labeled as "Other", with a storage capacity of 83 acre-feet and a surface area of 5 acres. The dam is regulated by the Oklahoma Water Resources Board and is subject to state permitting, inspection, and enforcement.

Situated on the TR Clear Creek, Oknoname 137039 has a controlled spillway type and a low hazard potential. Despite being labeled as "Not Rated" in terms of its condition assessment, the risk assessment for this dam is classified as "Very High (1)". The dam is equipped with one valve outlet gate and has not been modified in recent years. Although the last inspection date recorded was in 2005, the inspection frequency is set at every 5 years to ensure the safety and integrity of the structure.

Overall, Oknoname 137039 presents an intriguing case study for water resource and climate enthusiasts due to its unique characteristics and risk assessment profile. Its location in Stephens, Oklahoma, and its association with the Tulsa District of the US Army Corps of Engineers add to its relevance in the realm of dam safety and management. With a focus on state regulation and inspection, this dam serves as a key example of the importance of maintaining and monitoring crucial water infrastructure in the face of changing climatic conditions and potential hazards.

Year Completed

1975

Dam Length

400

Dam Height

25

River Or Stream

TR CLEAR CREEK

Primary Dam Type

Earth

Surface Area

5

Hydraulic Height

21

Nid Storage

83

Structural Height

25

Outlet Gates

Valve - 1

Hazard Potential

Low

Foundations

Soil

Nid Height

25
       
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.
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