Oknoname 113001 Reservoir Report

Last Updated: December 6, 2025

Oknoname 113001 is a private dam located in Osage, Oklahoma, with a primary purpose of recreation.


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Summary

Built in 1970 by the USDA NRCS, this earth dam stands at a height of 25 feet and spans 375 feet in length. The dam has a storage capacity of 125 acre-feet, with a normal storage level of 80 acre-feet, covering a surface area of 23 acres. It is situated on TR-ROCK CREEK in the Tulsa District, and is regulated by the Oklahoma Water Resources Board.

Despite being classified as having a low hazard potential, Oknoname 113001 is considered to have a very high risk due to its location and structural characteristics. The dam is equipped with a controlled spillway and a single valve outlet gate. Although it has not been inspected since 2011, it is subject to regular inspections every five years. While the dam's condition is currently rated as "Not Rated," it is important for stakeholders and regulators to monitor and assess the potential risks associated with this structure to ensure the safety of the surrounding community and environment.

With its picturesque setting and recreational opportunities, Oknoname 113001 serves as a valuable resource for the local area. However, its risk assessment highlights the importance of ongoing maintenance and monitoring to prevent any potential hazards and ensure the continued safety and functionality of this earth dam. Climate enthusiasts and water resource professionals alike can appreciate the balance between conservation and risk management that is essential for the sustainable use of such infrastructure in the face of changing environmental conditions.

Year Completed

1970

Dam Length

375

Dam Height

25

River Or Stream

TR-ROCK CREEK

Primary Dam Type

Earth

Surface Area

23

Hydraulic Height

20

Nid Storage

125

Structural Height

25

Outlet Gates

Valve - 1

Hazard Potential

Low

Foundations

Soil

Nid Height

25
       
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.