Scs-Little Deep Fork Creek Site-55c Reservoir Report
Last Updated: December 6, 2025
SCS-Little Deep Fork Creek Site-55c is a state-regulated earth dam located in DEPEW, Oklahoma, along the TR-LITTLE DEEP FORK CREEK.
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Summary
Constructed in 1972 by the USDA NRCS for the primary purpose of flood risk reduction, this 22-foot high structure has a storage capacity of 223 acre-feet and a surface area of 9 acres. With a controlled spillway and a maximum discharge of 320 cfs, this dam plays a crucial role in managing water flow and reducing the risk of flooding in the surrounding area.
Although the dam's hazard potential is rated as low and its condition is currently not assessed, the risk assessment indicates a very high risk level (1). Despite the lack of recent inspections or condition assessments, the structure features a valve outlet gate and is designated for inspection every 5 years. The dam's designer is the Natural Resources Conservation Service, and its regulator is the Oklahoma Water Resources Board (OWRB), ensuring that it meets state regulatory standards for safety and functionality.
For water resource and climate enthusiasts, SCS-Little Deep Fork Creek Site-55c offers a fascinating glimpse into the intersection of engineering, environmental conservation, and hazard mitigation. This earth dam serves as a critical piece of infrastructure in managing water resources along the TR-LITTLE DEEP FORK CREEK, providing flood risk reduction benefits to the local community. With its unique design and purpose, this dam exemplifies the importance of sustainable water management practices in the face of changing climate conditions and increasing hydrological risks.
Year Completed |
1972 |
Dam Length |
880 |
Dam Height |
22 |
River Or Stream |
TR-LITTLE DEEP FORK CREEK |
Primary Dam Type |
Earth |
Surface Area |
9 |
Hydraulic Height |
22 |
Nid Storage |
223 |
Structural Height |
22 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
22 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Cimarron River Near Ripley
|
544cfs |
Deep Fork Near Beggs
|
141cfs |
Deep Fork At Warwick
|
23cfs |
Joe Creek At 61st St At Tulsa
|
2cfs |
Arkansas River At Tulsa
|
10300cfs |
North Canadian River At Shawnee
|
177cfs |
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-Little Deep Fork Creek Site-55c