Oknoname 083004 Reservoir Report

Last Updated: December 17, 2025

Oknoname 083004 is a privately owned earth dam located on TR-Bear Creek in Logan, Oklahoma.


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Summary

The dam, which was completed in 1965, stands at a height of 30 feet and has a storage capacity of 60 acre-feet. Its primary purpose is for recreation, with a spillway width of 1 foot and a maximum discharge rate of 1900 cubic feet per second. The dam is regulated by the Oklahoma Water Resources Board, with state permitting, inspection, and enforcement in place to ensure its safety and compliance.

Despite being classified as having a low hazard potential, Oknoname 083004 is considered to have a very high risk due to its location and structural characteristics. It has a valve outlet gate and a designated emergency action plan (EAP) frequency of 5 years, although the last inspection took place in 2011. The dam is not currently rated for condition assessment, and there are no specific risk management measures outlined. Overall, Oknoname 083004 serves as a crucial recreational resource in the area, but careful monitoring and maintenance are essential to mitigate any potential risks associated with its operation.

Year Completed

1965

Dam Length

350

Dam Height

30

River Or Stream

TR-BEAR CREEK

Primary Dam Type

Earth

Hydraulic Height

30

Nid Storage

60

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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