Oknoname 013009 Reservoir Report
Nearby: Oknoname 013005 Teal
Last Updated: December 5, 2025
Oknoname 013009 is a privately owned Earth dam located in Shady Grove Sch., Bryan County, Oklahoma.
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Summary
Built in 1970, this dam serves various purposes and has a height of 22 feet and a length of 750 feet. It has a storage capacity of 72 acre-feet and a normal storage of 62 acre-feet. The dam is regulated by the Oklahoma Water Resources Board and is inspected, permitted, and enforced by the state regulatory agency.
The dam has a controlled spillway type with a width of 1 foot and one outlet valve. Despite being rated as low hazard potential, it is considered to have a very high risk assessment. However, the condition assessment is currently not rated, and there is no emergency action plan in place. The last inspection date was in May 2004, with an inspection frequency of every 5 years. The risk management measures and inundation maps for the dam are also not prepared.
Located on TR-Red Branch river/stream, Oknoname 013009 presents an intriguing case for water resource and climate enthusiasts. With its unique characteristics and risk assessment, this dam highlights the importance of proper inspection, maintenance, and emergency preparedness in ensuring the safety and sustainability of water infrastructure in Oklahoma. As a privately owned structure, it showcases the diverse landscape of water management in the state and the role of regulatory agencies in overseeing dam operations.
Year Completed |
1970 |
Dam Length |
750 |
Dam Height |
22 |
River Or Stream |
TR-RED BRANCH |
Primary Dam Type |
Earth |
Surface Area |
3 |
Hydraulic Height |
19 |
Nid Storage |
72 |
Structural Height |
22 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
22 |
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 013009