Scs-Winter Creek Site-05 Reservoir Report
Last Updated: December 8, 2025
SCS-Winter Creek Site-05, located in Grady County, Oklahoma, is a state-regulated dam managed by the NRCS with a primary purpose of flood risk reduction.
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Summary
Constructed in 1965, this earthen dam stands at a height of 32 feet and spans a length of 1100 feet, providing a storage capacity of 490 acre-feet. The dam is situated on the TR-East Winter Creek, under the jurisdiction of the OWRB, and has a controlled spillway with a width of 1 foot.
Despite being rated as having a low hazard potential and not yet assessed for condition, the site poses a very high risk according to the DSAC risk assessment. The dam has a single valve outlet gate and has not undergone any modifications since its completion. While the last inspection was conducted in 1980 with a scheduled inspection frequency of every 5 years, the emergency action plan and risk management measures for the dam are currently not documented. In case of any emergencies, the designated emergency contacts and inundation maps are yet to be updated.
Water resource and climate enthusiasts interested in the management and safety of dams in Oklahoma may find SCS-Winter Creek Site-05 an intriguing case study. With its historical significance, engineering design, and risk assessment profile, this dam presents an opportunity for further study and evaluation in the realm of water resource management and climate resilience.
Year Completed |
1965 |
Dam Length |
1100 |
Dam Height |
32 |
River Or Stream |
TR-EAST WINTER CR |
Primary Dam Type |
Earth |
Surface Area |
16 |
Hydraulic Height |
32 |
Nid Storage |
490 |
Structural Height |
32 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
32 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
North Criner Creek Near Criner
|
1cfs |
Washita River At Alex
|
241cfs |
Little Washita River East Of Ninnekah
|
18cfs |
Canadian River At Norman
|
211cfs |
Walnut Creek At Purcell
|
29cfs |
Canadian River At Purcell
|
208cfs |
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-05