Oknoname 059051 Reservoir Report

Last Updated: December 20, 2025

Oknoname 059051, located in Harper County, Oklahoma, is a privately owned earth dam completed in 1940 with a primary purpose of "Other." Standing at a height of 33 feet with a length of 470 feet, this dam serves as a crucial water resource structure on TR-Buffalo Creek.


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Summary

With a maximum storage capacity of 110 acre-feet and a normal storage of 40 acre-feet, this dam plays a vital role in regulating water flow and preventing potential flooding in the area.

Managed by the Oklahoma Water Resources Board (OWRB), Oknoname 059051 has a low hazard potential and is inspected every five years to ensure its structural integrity. Despite being classified as "Very High (1)" in terms of risk assessment, this dam has not yet been rated for its condition. Equipped with a controlled spillway and a single valve outlet gate, this structure exemplifies the importance of proper water management and climate resilience measures in the face of evolving environmental challenges.

For water resource and climate enthusiasts, Oknoname 059051 serves as a notable example of a privately owned dam in Oklahoma that plays a critical role in water regulation and flood control. With its strategic location on TR-Buffalo Creek and its low hazard potential, this earth dam stands as a testament to the ongoing efforts to safeguard water resources and mitigate risks associated with extreme weather events. As climate change continues to impact the region, structures like Oknoname 059051 highlight the importance of sustainable water management practices and proactive risk assessment measures to ensure the safety and resilience of our water infrastructure.

Year Completed

1940

Dam Length

470

Dam Height

33

River Or Stream

TR-BUFFALO CR

Primary Dam Type

Earth

Surface Area

3

Hydraulic Height

33

Nid Storage

110

Structural Height

33

Outlet Gates

Valve - 1

Hazard Potential

Low

Foundations

Soil

Nid Height

33
       
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.