Scs-Okmulgee Creek Site-2 Reservoir Report
Last Updated: December 5, 2025
SCS-Okmulgee Creek Site-2, located in Okmulgee, 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 1967, this dam stands at a height of 27 feet and spans 3500 feet along the Okmulgee Creek. With a storage capacity of 4340 acre-feet, it serves to protect the surrounding area from potential flood events with a maximum discharge of 14700 cubic feet per second.
Despite its fair condition assessment and high hazard potential, SCS-Okmulgee Creek Site-2 is equipped with a controlled spillway and a single slide gate outlet for water release. The dam's inspection frequency is set at once per year, with the last recorded inspection dating back to November 2011. Its risk assessment indicates a very high risk level, urging for continuous monitoring and management measures to ensure the safety of the dam and the community it serves. With a regulated state jurisdiction and enforcement by the OWRB, SCS-Okmulgee Creek Site-2 stands as a vital structure in mitigating flood risks in the region.
Year Completed |
1967 |
Dam Length |
3500 |
Dam Height |
27 |
River Or Stream |
OKMULGEE CREEK |
Primary Dam Type |
Earth |
Surface Area |
45 |
Hydraulic Height |
27 |
Drainage Area |
16.16 |
Nid Storage |
4340 |
Structural Height |
27 |
Outlet Gates |
Slide (sluice gate) - 1 |
Hazard Potential |
High |
Foundations |
Soil |
Nid Height |
27 |
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-Okmulgee Creek Site-2