Scs-Wildhorse Creek Site-112 Reservoir Report
Last Updated: December 13, 2025
SCS-Wildhorse Creek Site-112 is a state-regulated dam located in Garvin, Oklahoma, specifically in the city of Wynnewood.
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Summary
Built in 1993 by the USDA NRCS, this earth dam stands at a height of 22 feet and stretches 500 feet in length along the Washita River. Its primary purpose is flood risk reduction, serving as a vital infrastructure to protect the surrounding area from potential water-related disasters.
With a maximum storage capacity of 349 acre-feet and a drainage area of 1.05 square miles, SCS-Wildhorse Creek Site-112 plays a crucial role in managing water flow and mitigating flood risks in the region. Although the dam is classified as having a low hazard potential, its risk assessment is rated as very high, emphasizing the importance of regular inspections and maintenance to ensure its structural integrity and efficiency in safeguarding the community. As a key component of water resource management in the area, this dam serves as a testament to the collaborative efforts of state and federal agencies in addressing climate-related challenges and protecting local ecosystems.
Year Completed |
1993 |
Dam Length |
500 |
Dam Height |
22 |
River Or Stream |
WASHITA |
Primary Dam Type |
Earth |
Hydraulic Height |
22 |
Drainage Area |
1.05 |
Nid Storage |
349 |
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 Pauls Valley
|
327cfs |
Rock Creek At Sulphur
|
8cfs |
Walnut Creek At Purcell
|
28cfs |
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-112