Oknoname 137076 Reservoir Report

Last Updated: December 21, 2025

Oknoname 137076, located in Stephens County, Oklahoma, is a privately owned earth dam constructed in 1970 along the TR North Mud Creek.


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Summary

The dam stands at 21 feet tall with a hydraulic height of 17 feet and a length of 391 feet. With a storage capacity of 69 acre-feet, the dam serves multiple purposes and has a spillway width of 1 foot. Despite being categorized as having a low hazard potential, the risk assessment for Oknoname 137076 indicates a very high risk level.

Managed by the Oklahoma Water Resources Board, this dam has been inspected regularly, with the last inspection conducted in September 2011. The dam is equipped with a valve outlet gate and is regulated, permitted, and inspected by the state agency. While its condition is currently not rated, the dam is deemed to meet safety guidelines. With its strategic location and crucial role in water resource management, Oknoname 137076 serves as a vital infrastructure supporting the local community and ecosystem in the region.

Year Completed

1970

Dam Length

391

Dam Height

21

River Or Stream

TR NORTH MUD CREEK

Primary Dam Type

Earth

Surface Area

4

Hydraulic Height

17

Nid Storage

69

Structural Height

21

Outlet Gates

Valve - 1

Hazard Potential

Low

Foundations

Soil

Nid Height

21
       
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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.