Scs-Kickapoo Sandy Creek Site-N2 Reservoir Report
Last Updated: December 12, 2025
The SCS-Kickapoo Sandy Creek Site-N2 is a state-regulated earth dam located in Wynnewood, Oklahoma.
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Summary
Built in 1980 by the USDA NRCS, this dam stands at a height of 28 feet with a hydraulic height of 25 feet, serving primarily for flood risk reduction along the TR-Negro Sandy Creek. With a storage capacity of 580 acre-feet and a surface area of 22 acres, it plays a crucial role in managing water resources in the region.
Owned and regulated by the Oklahoma Water Resources Board, this dam features a controlled spillway and a valve outlet gate for water release. Despite being classified as low hazard potential, it is deemed of very high risk due to its location and the potential consequences of failure. The dam has not been rated for condition assessment, but it undergoes inspections every 5 years to ensure its structural integrity and functionality for emergency management purposes.
As a key structure in the flood mitigation system of Garvin County, the SCS-Kickapoo Sandy Creek Site-N2 represents a vital component in protecting the local community and environment from potential water-related disasters. With its historical significance and ongoing regulatory oversight, this dam serves as a testament to the importance of sustainable water resource management in the face of changing climate patterns and increasing risks of extreme weather events.
Year Completed |
1980 |
Dam Length |
1180 |
Dam Height |
28 |
River Or Stream |
TR-NEGRO SANDY CR |
Primary Dam Type |
Earth |
Surface Area |
22 |
Hydraulic Height |
25 |
Nid Storage |
580 |
Structural Height |
28 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
28 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Washita River Near Pauls Valley
|
329cfs |
Rock Creek At Sulphur
|
8cfs |
Walnut Creek At Purcell
|
28cfs |
Canadian River At Purcell
|
201cfs |
Pennington Creek Near Reagan
|
8cfs |
Washita River Near Dickson
|
322cfs |
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-Kickapoo Sandy Creek Site-N2