Oknoname 101015 Reservoir Report

Last Updated: December 6, 2025

Oknoname 101015, located in Muskogee, Oklahoma, is a privately owned earth dam on Georges Fork Creek.


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Summary

Built in 1930, this dam stands at a height of 15 feet and has a storage capacity of 247 acre-feet. With a surface area of 20 acres and a controlled spillway type, the dam serves a primary purpose of "Other" and has a low hazard potential.

Despite being regulated by the Oklahoma Water Resources Board and meeting state permitting, inspection, and enforcement requirements, Oknoname 101015 has not been rated for its condition assessment. The dam's emergency action plan status is unknown, and it has not been assessed for its risk management measures. With a very high risk assessment rating of 1, there may be a need for further evaluation and monitoring of this structure to ensure the safety and integrity of the surrounding area and water resources.

Although Oknoname 101015 has not been modified in recent years, its last inspection dates back to 2004 with a scheduled inspection frequency of every 5 years. With a single valve outlet gate and no associated lock structures, this dam still plays a crucial role in water resource management in the region. Enthusiasts in water resources and climate may find Oknoname 101015 to be an intriguing case study in dam infrastructure and risk assessment.

Year Completed

1930

Dam Length

1170

Dam Height

15

River Or Stream

GEORGES FORK CREEK

Primary Dam Type

Earth

Surface Area

20

Hydraulic Height

11

Nid Storage

247

Structural Height

15

Outlet Gates

Valve - 1

Hazard Potential

Low

Foundations

Soil

Nid Height

15
       
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.