Scs-Winter Creek Site-03 Reservoir Report
Last Updated: December 7, 2025
SCS-Winter Creek Site-03 is a state-regulated earth dam located in Grady County, Oklahoma, with the primary purpose of flood risk reduction.
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Summary
Built in 1965 by the USDA NRCS, this dam stands at 33 feet high and spans a length of 1740 feet, with a storage capacity of 684 acre-feet. The dam is designed to withstand a maximum discharge of 1579 cubic feet per second, with a controlled spillway and one outlet valve.
Despite its low hazard potential, the risk assessment for SCS-Winter Creek Site-03 indicates a very high risk level, prompting the need for regular inspections every 5 years. The dam's condition assessment is currently not rated, with the last inspection date recorded in 1980. While emergency action plans and risk management measures are not specified, the dam's location in a high-risk area highlights the importance of continuous monitoring and maintenance to ensure the safety and integrity of this crucial flood control structure.
Year Completed |
1965 |
Dam Length |
1740 |
Dam Height |
33 |
River Or Stream |
TR-WEST WINTER CR |
Primary Dam Type |
Earth |
Surface Area |
23 |
Hydraulic Height |
30 |
Nid Storage |
684 |
Structural Height |
33 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
33 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Washita River At Alex
|
243cfs |
Little Washita River East Of Ninnekah
|
20cfs |
North Criner Creek Near Criner
|
1cfs |
Canadian River At Norman
|
215cfs |
Walnut Creek At Purcell
|
31cfs |
Canadian River At Purcell
|
212cfs |
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-Winter Creek Site-03