Oknoname 107026 Reservoir Report

Last Updated: December 18, 2025

Oknoname 107026, located in Okfuskee County, Oklahoma, is a local government-owned earth dam built in 1960 for recreational purposes along the TR-ALABAMA CREEK river/stream.


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Summary

With a height of 40 feet and a length of 485 feet, this dam has a storage capacity of 400 acre-feet and a maximum discharge of 870 cubic feet per second. Despite its low hazard potential, it is regulated, inspected, and enforced by the Oklahoma Water Resources Board, meeting state permitting and inspection requirements.

The dam features a controlled spillway with a width of 1 foot and one outlet gate valve. It has a very high risk assessment rating, with a condition assessment of "Not Rated." Although the last inspection was conducted in May 2011, the dam is scheduled for inspection every 5 years. The dam's emergency action plan status, inundation maps, and risk management measures are not specified in the available data, indicating potential areas for improvement in emergency preparedness.

Overall, Oknoname 107026 serves as a vital recreational resource in the region, but its risk assessment highlights the importance of ongoing monitoring and maintenance to ensure public safety and environmental protection. Water resource and climate enthusiasts interested in the management and safety of dams will find this site's data and regulatory framework to be a fascinating case study in the intersection of water infrastructure and natural hazard mitigation.

Year Completed

1960

Dam Length

485

Dam Height

40

River Or Stream

TR-ALABAMA CREEK

Primary Dam Type

Earth

Surface Area

5

Hydraulic Height

40

Nid Storage

400

Structural Height

40

Outlet Gates

Valve - 1

Hazard Potential

Low

Foundations

Soil

Nid Height

40
       
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.