Scs-Okfuskee Tributaries Site-N02 Reservoir Report
Last Updated: December 16, 2025
SCS-Okfuskee Tributaries Site-N02, located in Okmulgee 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 1976, this dam stands at a height of 33 feet and spans 1550 feet, providing a maximum storage capacity of 1060 acre-feet. The dam is equipped with a controlled spillway and a single valve outlet gate.
Despite being classified as having a low hazard potential, the risk assessment for SCS-Okfuskee Tributaries Site-N02 indicates a very high risk level. The dam has not been inspected since 1980, with an inspection frequency of 5 years. The condition assessment is listed as "Not Rated," indicating a need for further evaluation. Emergency preparedness measures such as an Emergency Action Plan (EAP) and inundation maps are not currently in place.
As water resource and climate enthusiasts, it is crucial to monitor the condition and risk level of dams like SCS-Okfuskee Tributaries Site-N02 to ensure the safety of surrounding communities and the effectiveness of flood risk reduction measures. With the potential for high consequences in the event of a failure, it is essential that proper inspections, maintenance, and emergency preparedness protocols are put in place to mitigate risks and protect the environment and public safety.
Year Completed |
1976 |
Dam Length |
1550 |
Dam Height |
33 |
River Or Stream |
TR-BRIER CR |
Primary Dam Type |
Earth |
Surface Area |
25 |
Hydraulic Height |
33 |
Nid Storage |
1060 |
Structural Height |
33 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
33 |
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-Okfuskee Tributaries Site-N02