Scs-Wildhorse Creek Site-022 Reservoir Report
Last Updated: December 8, 2025
SCS-Wildhorse Creek Site-022, also known as Lake Humphreys, is a state-owned dam located in Stephens County, Oklahoma.
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Summary
Designed by USDA NRCS and completed in 1958, this Earth-type dam stands at a height of 54 feet and has a length of 4150 feet. It serves the primary purpose of flood risk reduction along the Wildhorse Creek, with a maximum storage capacity of 25,962 acre-feet and a normal storage capacity of 14,041 acre-feet.
Despite being classified as having a low hazard potential, SCS-Wildhorse Creek Site-022 is situated in a very high-risk area, according to the risk assessment data. The dam features a controlled spillway with a width of 4 feet and an outlet gate consisting of a single valve. While it has not been inspected since January 1980, the dam is regulated, permitted, inspected, and enforced by the Oklahoma Water Resources Board (OWRB), ensuring its compliance with state regulations and standards.
Water resource and climate enthusiasts will find SCS-Wildhorse Creek Site-022 to be a fascinating structure that plays a critical role in managing flood risks in the region. With its strategic location along Wildhorse Creek and its significant storage capacity, this dam serves as a vital infrastructure for safeguarding the surrounding areas from potential flooding events. Its historical significance, design details, and state-regulated status make it a compelling subject for further study and appreciation in the realm of water resource management and climate resilience.
Year Completed |
1958 |
Dam Length |
4150 |
Dam Height |
54 |
River Or Stream |
WILDHORSE CREEK |
Primary Dam Type |
Earth |
Surface Area |
882 |
Hydraulic Height |
54 |
Nid Storage |
25962 |
Structural Height |
54 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
54 |
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.
Area Campgrounds
| Location | Reservations | Toilets |
|---|---|---|
Clear Creek Lake
|
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Fuqua Lake
|
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Taylor Lake
|
Scs-Wildhorse Creek Site-022
McCasland Rotary Park
Fuqua Park
Whisenant Park