Scs-Okfuskee Tributaries Site-N06 Reservoir Report
Last Updated: January 11, 2026
The SCS-Okfuskee Tributaries Site-N06 is a state-owned water management structure located in Okfuskee, Oklahoma, along the TR-PHILADELPHIA CREEK.
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Summary
Designed by the USDA NRCS and completed in 1980, this Earth dam stands at a height of 44 feet and serves primarily for flood risk reduction. With a storage capacity of 1355 acre-feet and a controlled spillway, the structure is considered to have a low hazard potential and a very high risk assessment rating.
Managed by the Oklahoma Water Resources Board, this site is subject to state regulation, permitting, inspection, and enforcement. The dam's condition is currently not rated, and it is inspected every 5 years. In case of emergencies, there is a valve outlet gate in place, and although the Emergency Action Plan status is unknown, the risk management measures are not specified. The surrounding area has a surface area of 28 acres, and the maximum discharge capacity is 876 cubic feet per second.
Overall, the SCS-Okfuskee Tributaries Site-N06 plays a crucial role in mitigating flood risks in the region, with its strategic location and design features contributing to the protection of downstream areas. As a significant water resource infrastructure in Okfuskee County, this dam underscores the importance of proactive monitoring and maintenance to ensure the safety and effectiveness of water management structures in the face of changing climate conditions and potential hydrological challenges.
Year Completed |
1980 |
Dam Length |
1150 |
Dam Height |
44 |
River Or Stream |
TR-PHILADELPHIA CREEK |
Primary Dam Type |
Earth |
Surface Area |
28 |
Hydraulic Height |
41 |
Nid Storage |
1355 |
Structural Height |
44 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
44 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Deep Fork Near Beggs
|
140cfs |
North Canadian River Near Wetumka
|
196cfs |
Canadian River At Calvin
|
369cfs |
Arkansas River Near Haskell
|
2500cfs |
North Canadian River At Shawnee
|
368cfs |
Little Haikey Creek At 101st St South At Tulsa
|
0cfs |
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-N06