Oknoname 103009 Reservoir Report
Last Updated: December 16, 2025
Oknoname 103009 is a privately owned earth dam located in Noble, Oklahoma, specifically in the city of Ralston.
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Summary
Built in 1955, this dam stands at 16 feet high and has a length of 425 feet. It serves a primary purpose that is classified as 'Other', with a total storage capacity of 102 acre-feet and a normal storage level of 53 acre-feet. The dam is situated on the TR-Red Rock Creek and falls under the jurisdiction of the Oklahoma Water Resources Board (OWRB).
Despite being categorized as having a low hazard potential, Oknoname 103009 poses a very high risk due to its condition being marked as 'Not Rated'. The dam has one valve outlet gate and a controlled spillway with a width of 1 foot. The last inspection was conducted in 2010, and the dam has an inspection frequency of 5 years. While the risk management measures and emergency action plan status are not provided, it is clear that this dam warrants close monitoring and potential upgrades to mitigate any risks associated with its high-risk classification.
Oknoname 103009's location in a high-risk zone, combined with its lack of a current condition assessment and emergency action plan, underscores the need for continued oversight and potential improvements to ensure the safety and integrity of the dam. Water resource and climate enthusiasts should keep a close eye on developments regarding this dam to ensure proper risk management and maintenance practices are in place to prevent any potential disasters in the future.
Year Completed |
1955 |
Dam Length |
425 |
Dam Height |
16 |
River Or Stream |
TR-RED ROCK CREEK |
Primary Dam Type |
Earth |
Surface Area |
6 |
Hydraulic Height |
16 |
Nid Storage |
102 |
Structural Height |
16 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
16 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Salt Fork Arkansas River At Tonkawa
|
464cfs |
Arkansas River At Ralston
|
4160cfs |
Black Bear Creek At Pawnee
|
12cfs |
Chikaskia River Near Blackwell
|
213cfs |
Arkansas R At Arkansas City
|
855cfs |
Hominy Creek Near Hominy
|
2cfs |
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 103009