Oknoname 111048 Reservoir Report
Nearby: Newman Pe Oknoname 111050
Last Updated: December 5, 2025
Oknoname 111048 is a privately owned dam located in Henryetta, Oklahoma, along TR-COAL CREEK.
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Summary
Built in 1970, this Earth-type dam stands at a height of 28 feet and has a storage capacity of 50 acre-feet. With a controlled spillway and a maximum discharge of 1300 cubic feet per second, the dam is classified as having a low hazard potential and is currently rated as "Not Rated" in terms of condition assessment.
Managed by the Oklahoma Water Resources Board (OWRB), Oknoname 111048 is subject to state regulation, inspection, and enforcement. The dam has one valve outlet gate and is situated within the Tulsa District of the US Army Corps of Engineers. Despite its low hazard potential, the dam is classified as having a very high risk level, which may warrant further risk management measures in the future.
Enthusiasts of water resources and climate will find Oknoname 111048 to be an intriguing case study in dam management and risk assessment. With its unique characteristics and location in Okmulgee County, Oklahoma, this dam serves as a vital component in the local water infrastructure. As climate change continues to impact water resources, understanding the management and maintenance of structures like Oknoname 111048 becomes increasingly important for ensuring public safety and environmental sustainability.
Year Completed |
1970 |
Dam Length |
3430 |
Dam Height |
28 |
River Or Stream |
TR-COAL CREEK |
Primary Dam Type |
Earth |
Hydraulic Height |
28 |
Nid Storage |
50 |
Structural Height |
28 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
28 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
North Canadian River Near Wetumka
|
212cfs |
Deep Fork Near Beggs
|
142cfs |
Canadian River At Calvin
|
361cfs |
Arkansas River Near Haskell
|
6440cfs |
Little River Near Sasakwa
|
14cfs |
Canadian River Near Whitefield
|
2160cfs |
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 111048