Scs-Wildhorse Creek Site-109 Reservoir Report
Last Updated: December 12, 2025
SCS-Wildhorse Creek Site-109, located in Garvin County, Oklahoma, is a state-regulated dam designed by the USDA NRCS with a primary purpose of flood risk reduction.
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Summary
Completed in 1988, this earth dam stands at a height of 20 feet with a hydraulic height and structural height also measuring 20 feet. The dam has a length of 90 feet and a storage capacity of 153 acre-feet.
Managed by the Oklahoma Water Resources Board, this dam on TR-ROCK CR in the Fort Worth District has a controlled spillway with a width of 1 foot and an outlet gate consisting of a single valve. Despite its low hazard potential, the risk assessment for SCS-Wildhorse Creek Site-109 is categorized as very high, highlighting the importance of ongoing monitoring and maintenance to ensure its continued effectiveness in flood risk mitigation.
While the condition assessment is currently listed as not rated, regular inspections are conducted with a frequency of every 5 years. With its critical role in managing water resources and protecting against flooding in the area, SCS-Wildhorse Creek Site-109 serves as a vital infrastructure asset for the community and underscores the importance of sustainable water resource management in the face of changing climate conditions.
Year Completed |
1988 |
Dam Length |
90 |
Dam Height |
20 |
River Or Stream |
TR-ROCK CR |
Primary Dam Type |
Earth |
Surface Area |
4 |
Hydraulic Height |
20 |
Nid Storage |
153 |
Structural Height |
20 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
20 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Washita River Near Pauls Valley
|
329cfs |
Rock Creek At Sulphur
|
8cfs |
Walnut Creek At Purcell
|
28cfs |
North Criner Creek Near Criner
|
1cfs |
Canadian River At Purcell
|
201cfs |
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-109