Scs-Cottonwood Creek Site-05 Reservoir Report
Last Updated: December 17, 2025
SCS-Cottonwood Creek Site-05, located in Logan County, Oklahoma, is a state-regulated earth dam designed by the USDA NRCS in 1965 for flood risk reduction along the TR-Cottonwood Creek.
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Summary
The dam stands at a height of 30 feet with a hydraulic height of 26 feet, offering a maximum storage capacity of 397 acre-feet. With a controlled spillway and a low hazard potential, this structure plays a crucial role in managing water resources and protecting the surrounding area from potential flooding.
Despite being last inspected in 1980, SCS-Cottonwood Creek Site-05 continues to serve its primary purpose effectively. With one valve outlet gate and a surface area of 16 acres, the dam remains in a condition not rated for assessment. The risk assessment categorizes this dam as having a very high risk (level 1), prompting the need for ongoing monitoring and potentially updated emergency action plans. Water resource and climate enthusiasts will find SCS-Cottonwood Creek Site-05 to be an intriguing case study in flood risk reduction infrastructure in the heart of Oklahoma.
Year Completed |
1965 |
Dam Length |
1085 |
Dam Height |
30 |
River Or Stream |
TR-COTTONWOOD CR |
Primary Dam Type |
Earth |
Surface Area |
16 |
Hydraulic Height |
26 |
Nid Storage |
397 |
Structural Height |
30 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
30 |
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.
Scs-Cottonwood Creek Site-05