Scs-Wildhorse Creek Site-119 Reservoir Report
Last Updated: December 13, 2025
SCS-Wildhorse Creek Site-119, located in Garvin, Oklahoma, is a state-regulated earth dam designed by USDA NRCS with a primary purpose of flood risk reduction.
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Summary
Completed in 1968, this dam stands at a height of 32 feet and has a storage capacity of 771 acre-feet. Situated on Sandy Creek, this structure plays a crucial role in managing water resources and protecting the surrounding areas from potential flooding.
Despite being classified as having a significant hazard potential, the dam is currently assessed to be in fair condition. With a very high risk rating, it is evident that proper risk management measures need to be implemented to ensure the safety and effectiveness of this vital infrastructure. The dam features a controlled spillway and a single valve outlet gate, with a maximum discharge capability of 4800 cubic feet per second.
As water resource and climate enthusiasts, it is important to recognize the essential role that structures like SCS-Wildhorse Creek Site-119 play in mitigating flood risks and safeguarding communities and ecosystems. By understanding the design, purpose, condition, and risk profile of this dam, stakeholders can work towards enhancing its resilience and improving water resource management in the region.
Year Completed |
1968 |
Dam Length |
1390 |
Dam Height |
32 |
River Or Stream |
SANDY CR |
Primary Dam Type |
Earth |
Surface Area |
24 |
Hydraulic Height |
32 |
Nid Storage |
771 |
Structural Height |
32 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Significant |
Foundations |
Soil |
Nid Height |
32 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Washita River Near Pauls Valley
|
327cfs |
Walnut Creek At Purcell
|
28cfs |
Rock Creek At Sulphur
|
8cfs |
Canadian River At Purcell
|
201cfs |
North Criner Creek Near Criner
|
1cfs |
Washita River At Alex
|
236cfs |
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-Wildhorse Creek Site-119