Scs-Wildhorse Creek Site-122 Reservoir Report
Last Updated: December 15, 2025
SCS-Wildhorse Creek Site-122 in Garvin, Oklahoma, is a state-regulated earth dam designed by the USDA NRCS with a primary purpose of flood risk reduction.
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Summary
Completed in 1967, this dam stands at 30 feet high with a length of 640 feet, providing a maximum storage capacity of 139 acre-feet. The dam is located on TR-Wildhorse Creek and is under the jurisdiction of the OWRB, with state permitting, inspection, and enforcement in place.
Despite its low hazard potential, the risk assessment for SCS-Wildhorse Creek Site-122 indicates a very high risk level of 1. Although the condition assessment is not rated, the dam has not been inspected since January 1, 1980, with an inspection frequency of 5 years. The presence of a controlled spillway and a single valve outlet gate adds to the dam's functionality in managing potential flooding events. The site's proximity to the city of Davis highlights the importance of maintaining and monitoring this critical infrastructure to protect the surrounding community and water resources.
Year Completed |
1967 |
Dam Length |
640 |
Dam Height |
30 |
River Or Stream |
TR-WILDHORSE CREEK |
Primary Dam Type |
Earth |
Surface Area |
5 |
Hydraulic Height |
30 |
Nid Storage |
139 |
Structural Height |
30 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
30 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Washita River Near Pauls Valley
|
324cfs |
Rock Creek At Sulphur
|
8cfs |
Walnut Creek At Purcell
|
28cfs |
Canadian River At Purcell
|
212cfs |
Washita River Near Dickson
|
317cfs |
North Criner Creek Near Criner
|
1cfs |
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-122