Oknoname 113003 Reservoir Report

Last Updated: December 12, 2025

Oknoname 113003 is a privately owned dam located in Osage, Oklahoma, with a primary purpose of water supply.


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Summary

Built in 1949, this earth dam stands at a height of 35 feet and has a storage capacity of 150 acre-feet. The dam is regulated by the Oklahoma Water Resources Board and has state jurisdiction, permitting, inspection, and enforcement in place.

Situated on the TR-COON CR river, Oknoname 113003 has a controlled spillway and one outlet valve. Despite its low hazard potential, the dam is classified as having a very high risk due to its location and structural characteristics. Although the condition of the dam is not currently rated, it underwent its last inspection in September 2011, with inspections scheduled every five years. With a risk management plan in place, this dam serves as a crucial water resource for the surrounding area and highlights the importance of maintaining and monitoring infrastructure for water supply and climate resilience.

Year Completed

1949

Dam Length

700

Dam Height

35

River Or Stream

TR-COON CR

Primary Dam Type

Earth

Hydraulic Height

35

Nid Storage

150

Structural Height

35

Outlet Gates

Valve - 1

Hazard Potential

Low

Foundations

Soil

Nid Height

35
       
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.