Scs-Okfuskee Tributaries Site-W09 Reservoir Report
Last Updated: December 12, 2025
Located in Okfuskee, Oklahoma, the SCS-Okfuskee Tributaries Site-W09 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 38 feet and spans 850 feet in length, with a storage capacity of 637 acre-feet and a normal storage of 61 acre-feet. The dam is situated on TR-Walnut Creek and is under the jurisdiction of the Oklahoma Water Resources Board, with state permitting, inspection, and enforcement in place.
With a low hazard potential and a very high risk assessment rating of 1, the SCS-Okfuskee Tributaries Site-W09 has not been assigned a DSAC date and remains in a condition assessment of "Not Rated." The dam features a controlled spillway with a width of 1 foot and an outlet gate consisting of one valve. Despite its last inspection date dating back to January 1980, the dam is subject to a regular inspection frequency of every 5 years, ensuring its structural integrity and functionality in mitigating flood risks in the area. While the dam's emergency action plan and risk management measures are not explicitly mentioned in the data, its presence serves as a crucial infrastructure for water resource and climate management enthusiasts in the region.
Year Completed |
1976 |
Dam Length |
850 |
Dam Height |
38 |
River Or Stream |
TR-WALNUT CREEK |
Primary Dam Type |
Earth |
Surface Area |
12 |
Hydraulic Height |
38 |
Nid Storage |
637 |
Structural Height |
38 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
38 |
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-Okfuskee Tributaries Site-W09