Scs-Cottonwood Creek Site-08 Reservoir Report
Last Updated: December 11, 2025
SCS-Cottonwood Creek Site-08, located in Logan, Oklahoma, is a state-regulated earth dam designed by USDA NRCS with a primary purpose of flood risk reduction.
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Summary
Completed in 1965, this structure stands at a height of 25 feet and has a hydraulic height of 22 feet, serving as a vital component in managing the flow of TR-Cottonwood Creek. With a storage capacity of 1246 acre-feet and a spillway width of 1 foot, this dam plays a crucial role in protecting the surrounding area from potential flooding events.
Despite its low hazard potential, SCS-Cottonwood Creek Site-08 is classified as having a very high risk assessment, indicating the importance of regular inspections and maintenance. The dam features a single valve outlet gate and has not been rated for its current condition, emphasizing the need for ongoing monitoring and assessment. While the last inspection dates back to 1980, the structure remains under state jurisdiction and regulation by OWRB, ensuring that necessary enforcement and inspection protocols are in place to safeguard against any potential risks to the community and environment.
As a key flood risk reduction infrastructure in the area, SCS-Cottonwood Creek Site-08 serves as a critical tool in managing water resources and climate impacts in Logan County, Oklahoma. With its strategic location and design features, this dam underscores the importance of sustainable water management practices and the need for ongoing investment in resilient infrastructure to mitigate the effects of changing climate patterns and protect local communities from the threat of flooding.
Year Completed |
1965 |
Dam Length |
1200 |
Dam Height |
25 |
River Or Stream |
TR-COTTONWOOD CREEK |
Primary Dam Type |
Earth |
Surface Area |
12 |
Hydraulic Height |
22 |
Nid Storage |
1246 |
Structural Height |
25 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
25 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Cottonwood Creek Near Seward
|
67cfs |
Cimarron River Near Guthrie
|
477cfs |
North Canadian River Near Yukon
|
152cfs |
Skeleton Creek Near Lovell
|
27cfs |
North Canadian River At Britton Rd At Okc
|
180cfs |
Cimarron River Near Dover
|
329cfs |
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.
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