Getty Oil Co Reservoir Report
Last Updated: December 31, 2025
Getty Oil Co, located in Hammon, Oklahoma, operates a private earth dam along the TR-Quartermaster Creek.
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Summary
This dam, completed in 1950, stands at a height of 22 feet and has a storage capacity of 70 acre-feet. The dam serves a primarily regulatory purpose and is under the jurisdiction of the Oklahoma Water Resources Board.
Despite being rated as low hazard potential, the dam's risk assessment is deemed very high, indicating the need for careful monitoring and management. Although the dam has not been inspected since 2010, it is equipped with a single valve outlet gate. Getty Oil Co's dam is in a condition that is currently not rated, highlighting the importance of regular assessments and maintenance to ensure its continued safety and functionality for water resource and climate enthusiasts.
Year Completed |
1950 |
Dam Length |
520 |
Dam Height |
22 |
River Or Stream |
TR-QUATERMASTER CR |
Primary Dam Type |
Earth |
Hydraulic Height |
22 |
Nid Storage |
70 |
Structural Height |
22 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
22 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Washita River Near Hammon
|
13cfs |
Washita River Near Cheyenne
|
10cfs |
Washita River Near Foss
|
7cfs |
Washita River Near Clinton
|
30cfs |
Sweetwater Creek Near Sweetwater
|
16cfs |
Sweetwater Ck Nr Kelton
|
4cfs |
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.
Getty Oil Co