Scs-Saddle Mountain Creek Site-007 Reservoir Report
Last Updated: December 6, 2025
SCS-Saddle Mountain Creek Site-007 is a state-regulated earth dam located in Carnegie, Oklahoma.
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Summary
Built in 1960 by the USDA NRCS, this dam serves the primary purpose of flood risk reduction along the TR-Saddle Mountain Creek. With a height of 42 feet and a length of 1730 feet, this structure has a NID storage capacity of 1540 acre-feet and a maximum discharge rate of 4350 cubic feet per second. Despite being classified as a low hazard potential, the risk assessment for this dam is rated as very high.
Owned and operated by the state of Oklahoma, SCS-Saddle Mountain Creek Site-007 is subject to regular inspections, with the last recorded inspection dating back to January 1, 1980. The dam is equipped with a controlled spillway and a single valve outlet gate for water release. The nearby area has a normal storage capacity of 158 acre-feet and a surface area of 31 acres. The dam is designed to withstand various hydraulic pressures, with a hydraulic height of 37 feet and a structural height of 42 feet.
While the condition of this dam is currently rated as 'Not Rated,' it is essential for water resource and climate enthusiasts to monitor and assess the potential risks associated with such infrastructure. With the dam's location in a high-risk area, it is crucial to have proper emergency plans and risk management measures in place to ensure the safety and security of the surrounding communities.
Year Completed |
1960 |
Dam Length |
1730 |
Dam Height |
42 |
River Or Stream |
TR-SADDLE MOUNTAIN CREEK |
Primary Dam Type |
Earth |
Surface Area |
31 |
Hydraulic Height |
37 |
Nid Storage |
1540 |
Structural Height |
42 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
42 |
Seasonal Comparison
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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-Saddle Mountain Creek Site-007