Oknoname 111066 Reservoir Report
Nearby: Oknoname 111065 Oknoname 111060
Last Updated: December 6, 2025
Oknoname 111066 is a private dam located in Okmulgee, Oklahoma, with a primary purpose classified as "Other." Built in 1960, this Earth-type dam stands at a height of 30 feet and has a storage capacity of 50 acre-feet.
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Summary
The dam, situated on the TR-North Canadian River, serves as a critical infrastructure for water resource management in the region, with a controlled spillway system and a low hazard potential.
Managed by the Oklahoma Water Resources Board (OWRB), Oknoname 111066 is subject to state regulation, inspection, and enforcement. Despite being labeled as "Not Rated" in terms of condition assessment, the dam poses a very high risk level, emphasizing the importance of regular monitoring and maintenance. With a single valve outlet gate and a history of limited modifications, the dam remains a key component of the local water management system, supporting irrigation and flood control efforts in the area.
In the event of an emergency, the dam's emergency action plan (EAP) status is unknown, highlighting the need for further preparedness measures. Although the risk management measures and inundation maps are currently not specified, the dam's location and structural specifications underscore its significant role in water resource management and climate resilience efforts in the region, warranting continued attention and proactive measures for its sustainable operation.
Year Completed |
1960 |
Dam Length |
3380 |
Dam Height |
30 |
River Or Stream |
TR-NORTH CANADIAN RIVER |
Primary Dam Type |
Earth |
Surface Area |
1 |
Hydraulic Height |
30 |
Nid Storage |
50 |
Structural Height |
30 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
30 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
North Canadian River Near Wetumka
|
209cfs |
Deep Fork Near Beggs
|
141cfs |
Arkansas River Near Haskell
|
4870cfs |
Canadian River At Calvin
|
361cfs |
Canadian River Near Whitefield
|
1190cfs |
Arkansas River Near Muskogee
|
12600cfs |
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 111066