Oknoname 149022 Reservoir Report
Last Updated: December 6, 2025
Oknoname 149022 is a privately-owned dam located in Cloud Chief, Oklahoma, specifically on TR-SOUTH FORK CALVALRY CR.
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Summary
Managed by the Oklahoma Water Resources Board, this earth dam stands at 42 feet in height and stretches 470 feet in length. Built in 1973, its primary purpose is categorized as "Other" and it has a storage capacity of 180 acre-feet. The dam has a controlled spillway and a low hazard potential, with a very high risk assessment rating.
With a normal storage capacity of 24 acre-feet and a maximum discharge of 2807 cubic feet per second, Oknoname 149022 plays a crucial role in water resource management in the Washita County region. Despite not being rated for its condition assessment, the dam underwent its last inspection in 2006 and is inspected every 5 years. In case of emergency, the dam has a valve outlet gate for controlled water release. Although the risk assessment is very high, there are no specific risk management measures documented for this structure.
Overall, Oknoname 149022 serves as a vital component in the water infrastructure of the area, providing storage and flood control capabilities. With its low hazard potential and state-regulated status, the dam ensures the safety and security of the surrounding communities. As an integral part of the Tulsa District's water management system, this earth dam stands as a testament to the importance of maintaining and monitoring water resources in the face of climate challenges.
Year Completed |
1973 |
Dam Length |
470 |
Dam Height |
42 |
River Or Stream |
TR-SOUTH FORK CALVALRY CR |
Primary Dam Type |
Earth |
Surface Area |
4 |
Hydraulic Height |
37 |
Nid Storage |
180 |
Structural Height |
42 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
42 |
Seasonal Comparison
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Dam Data Reference
Condition Assessment
SatisfactoryNo 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
HighDams 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.
Oknoname 149022