Oknoname 22290 Reservoir Report

Last Updated: January 11, 2026

Oknoname 22290 is a significant water resource structure located in Marshall, Oklahoma, specifically in the city of Kingston.


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Summary

Completed in 1998 and designed by USDA NRCS, this dam stands at a height of 62 feet with a hydraulic height of 46 feet and a structural height of 50 feet. It serves the purpose of water storage with a maximum capacity of 696 acre-feet and a normal storage capacity of 576 acre-feet. The dam is situated on an unnamed tributary of Buncomb Creek and covers a surface area of 30 acres, draining an area of 955 acres.

Managed by the local government, Oknoname 22290 is regulated by the Oklahoma Water Resources Board (OWRB) and undergoes regular state inspections, enforcement, and permitting processes. With a controlled spillway and a hazard potential rated as low, the dam poses minimal risk but is classified as having a very high risk assessment due to its importance in managing water resources in the region. Despite its age, Oknoname 22290 has not been rated for its current condition, but it remains a crucial infrastructure for water management in the area.

Overall, Oknoname 22290 stands as a vital water resource structure in Oklahoma with a significant role in storage and management of water supply. With its low hazard potential but high risk assessment due to its importance, the dam is a key component in the local government's efforts to maintain water security in the region. As it continues to be regulated and inspected by state authorities, Oknoname 22290 remains a crucial asset for climate and water resource enthusiasts to monitor and study in the context of regional water management.

Year Completed

1998

Dam Length

750

Dam Height

62

River Or Stream

UNNAMED TRIB OF BUNCOMB CREEK

Surface Area

30

Hydraulic Height

46

Drainage Area

955

Nid Storage

696

Structural Height

50

Outlet Gates

Valve - 1

Hazard Potential

Low

Nid Height

62
       
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.