Oknoname 049006 Reservoir Report
Nearby: Philpott C.M. Hettick No.3
Last Updated: December 17, 2025
Oknoname 049006, located in Garvin County, Oklahoma, is a privately owned earth dam standing at 20 feet high and spanning 300 feet in length.
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Summary
Completed in 1960, this dam serves a variety of purposes, including flood control and water storage. With a normal storage capacity of 50 acre-feet and a maximum storage capacity of 100 acre-feet, this structure plays a crucial role in managing water resources in the area.
The dam, situated on the TR-Washita River, is regulated and inspected by the Oklahoma Water Resources Board to ensure its safety and compliance with state regulations. Despite being classified as having a low hazard potential, the risk assessment for Oknoname 049006 indicates a very high level of risk, emphasizing the importance of regular inspections and maintenance. With a controlled spillway and a single outlet gate, this dam is equipped to handle potential emergencies and ensure the safety of nearby residents.
Although the condition assessment of Oknoname 049006 is currently listed as "Not Rated," the structure's risk management measures and emergency action plan status are unclear. It is vital for the owners and regulators to stay proactive in monitoring and addressing any potential risks associated with this dam to safeguard both the surrounding community and the water resources it serves.
Year Completed |
1960 |
Dam Length |
300 |
Dam Height |
20 |
River Or Stream |
TR-WASHITA RIVER |
Primary Dam Type |
Earth |
Surface Area |
6 |
Hydraulic Height |
20 |
Nid Storage |
100 |
Structural Height |
20 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
20 |
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 049006