Scs-Sandstone Creek Site-109 Reservoir Report
Last Updated: December 11, 2025
SCS-Sandstone Creek Site-109, located in Beckham County, Oklahoma, is a state-regulated dam designed by the USDA NRCS for flood risk reduction along the TR-Sandstone Creek.
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Summary
Completed in 1952, this earth dam stands at a height of 40 feet with a hydraulic height of 34 feet and a length of 500 feet. With a storage capacity of 250 acre-feet, this dam serves the primary purpose of flood risk reduction and is inspected every 5 years by the state regulatory agency, OWRB.
Although this dam has a low hazard potential, it has a very high risk assessment rating due to its structural design and age. The emergency action plan (EAP) for SCS-Sandstone Creek Site-109 is not currently prepared, and the dam's condition assessment is listed as "Not Rated." Despite these concerns, the dam is equipped with a controlled spillway and a single valve outlet gate for water release. Overall, this site presents an intriguing case study for water resource and climate enthusiasts interested in the management and regulation of aging infrastructure for flood control.
Year Completed |
1952 |
Dam Length |
500 |
Dam Height |
40 |
River Or Stream |
TR-SANDSTONE CREEK |
Primary Dam Type |
Earth |
Hydraulic Height |
34 |
Nid Storage |
250 |
Structural Height |
40 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
40 |
Seasonal Comparison
Weather Forecast
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.
Scs-Sandstone Creek Site-109