Scs-Nine Mile Creek Site-17 Reservoir Report
Last Updated: December 6, 2025
SCS-Nine Mile Creek Site-17, located in Roger Mills County, Oklahoma, is a state-regulated earth dam designed by the USDA NRCS with a primary purpose of flood risk reduction.
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Summary
Completed in 1964, this dam stands at a height of 23 feet and has a storage capacity of 141 acre-feet. Situated on the TR-Nine Mile Creek, this dam plays a crucial role in mitigating flood risks in the region.
Maintained by the Oklahoma Water Resources Board, SCS-Nine Mile Creek Site-17 has a low hazard potential and has not been rated for its current condition. Despite a last inspection date of January 1, 1980, the dam is equipped with a controlled spillway and a single valve outlet gate. With a very high risk assessment rating, it is imperative for the authorities to regularly inspect and monitor this dam to ensure its structural integrity and ability to effectively manage floodwaters in the area.
With a designated emergency action plan and a risk management strategy in place, SCS-Nine Mile Creek Site-17 serves as a vital infrastructure for flood control in the region. As climate change continues to pose challenges to water resources management, the significance of such dams in protecting communities and ecosystems from the impacts of extreme weather events cannot be overstated.
Year Completed |
1964 |
Dam Length |
590 |
Dam Height |
23 |
River Or Stream |
TR-NINEMILE CREEK |
Primary Dam Type |
Earth |
Surface Area |
9 |
Hydraulic Height |
20 |
Nid Storage |
141 |
Structural Height |
23 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
23 |
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-17