Oknoname 129010 Reservoir Report
Last Updated: December 20, 2025
Oknoname 129010 is a privately owned dam located in Sayre, Oklahoma, along the TR-LONG CR river.
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Summary
Built in 1964, this earth dam stands at a height of 23 feet and serves a primary purpose of "Other". With a storage capacity of 140 acre-feet, the dam has a spillway width of 1 foot and a maximum discharge of 1910 cubic feet per second. Despite being classified as having a low hazard potential, the risk assessment for this dam is rated as "Very High (1)", making it a notable structure in terms of water resource management and climate resilience.
Managed by the Oklahoma Water Resources Board, Oknoname 129010 is state regulated and meets all state permitting, inspection, and enforcement requirements. The dam's condition assessment is currently listed as "Not Rated", and it has a scheduled inspection frequency of every five years. While the dam does not have an Emergency Action Plan in place, its risk management measures are not specified. Congressman Frank D. Lucas (R) represents the area in Congress where the dam is located, highlighting the significance of this structure in terms of both local and federal oversight.
Overall, Oknoname 129010 plays a crucial role in water resource management in Roger Mills County, Oklahoma, providing storage capacity for flood control and water supply purposes. With its strategic location and key attributes, including a controlled spillway and stone core, this dam is a key component of the infrastructure that contributes to the resilience of the region against climate-related challenges.
Year Completed |
1964 |
Dam Length |
300 |
Dam Height |
23 |
River Or Stream |
TR-LONG CR |
Primary Dam Type |
Earth |
Hydraulic Height |
11 |
Nid Storage |
140 |
Structural Height |
23 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
23 |
Seasonal Comparison
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Nearby Streamflow Levels
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 129010