Scs-Nine Mile Creek Site-04 Reservoir Report
Last Updated: December 7, 2025
SCS-Nine Mile Creek Site-04, located in Roger Mills, 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 1957, this structure stands at a height of 36 feet and has a hydraulic height of 32 feet, with a storage capacity of 203 acre-feet. The dam, situated on TR-Ninemile Creek, spans 600 feet in length and has a controlled spillway with a width of 1 foot.
Despite being categorized as low hazard potential, the risk assessment for SCS-Nine Mile Creek Site-04 indicates a very high risk level, warranting attention to potential vulnerabilities. With a condition assessment currently not rated and last inspected in 1980, there is room for improvement in the monitoring and maintenance of this critical infrastructure. As water resource and climate enthusiasts, staying informed about the condition and management of structures like SCS-Nine Mile Creek Site-04 is crucial for understanding and addressing the challenges of flood risk reduction in the region.
Year Completed |
1957 |
Dam Length |
600 |
Dam Height |
36 |
River Or Stream |
TR-NINEMILE CREEK |
Primary Dam Type |
Earth |
Surface Area |
11 |
Hydraulic Height |
32 |
Nid Storage |
203 |
Structural Height |
36 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
36 |
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-Nine Mile Creek Site-04