Oknoname 067006 Reservoir Report

Last Updated: December 21, 2025

Oknoname 067006, located in Jefferson, Oklahoma, is a privately owned Earth dam constructed in 1964 for purposes other than flood control or water supply.


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Summary

With a height of 24 feet and a hydraulic height of 20 feet, the dam spans 765 feet along TR Mud Creek. Despite its low hazard potential, the dam has a very high risk assessment rating, indicating the need for careful monitoring and management.

The dam has a storage capacity of 158 acre-feet, with a maximum discharge rate of 1240 cubic feet per second. It features a controlled spillway and a single valve outlet gate. The structure is regulated by the Oklahoma Water Resources Board (OWRB) and undergoes regular inspections, with the last assessment conducted in November 2010. Although the dam's condition is currently not rated, its risk assessment highlights the importance of implementing risk management measures to ensure the safety and integrity of the structure.

Given its location in a high-risk area, enthusiasts of water resource and climate management should pay close attention to the management of Oknoname 067006. The dam's association with TR Mud Creek and its critical role in regulating water flow emphasize the need for proactive measures to mitigate potential risks. As an Earth dam with stone core and soil foundation, the structure's design and construction warrant ongoing monitoring and maintenance to prevent potential failures that could have adverse environmental and societal consequences.

Year Completed

1964

Dam Length

765

Dam Height

24

River Or Stream

TR MUD CREEK

Primary Dam Type

Earth

Surface Area

10

Hydraulic Height

20

Nid Storage

158

Structural Height

24

Outlet Gates

Valve - 1

Hazard Potential

Low

Foundations

Soil

Nid Height

24
       
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.