Scs-Sallisaw Creek Site-05 Reservoir Report

Last Updated: December 5, 2025

SCS-Sallisaw Creek Site-05, located in Sequoyah County, Oklahoma, is a state-regulated earth dam designed by the USDA NRCS and completed in 1964 for the primary purpose of flood risk reduction along the Sallisaw Creek.


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Summary

With a dam height of 43 feet and a length of 825 feet, this structure has a maximum storage capacity of 574 acre-feet and a normal storage capacity of 34 acre-feet. The dam features a controlled spillway with a width of 1 foot and is equipped with a single valve outlet gate for water release.

Despite being classified as having a low hazard potential, the risk assessment for SCS-Sallisaw Creek Site-05 indicates a very high risk level (1). The condition assessment has not been rated, and the last inspection date recorded was in 1980 with an inspection frequency of every 5 years. While emergency action preparedness details are not provided, the dam is under state jurisdiction and regulation by the Oklahoma Water Resources Board, with state permitting, inspection, and enforcement in place.

Overall, SCS-Sallisaw Creek Site-05 serves as a vital infrastructure for flood risk mitigation in the area, with a significant storage capacity to help protect downstream communities from potential inundation. Its design and construction by the Natural Resources Conservation Service reflect a commitment to sustainable water resource management and climate resilience. Continued monitoring and maintenance efforts will be essential to ensure the structural integrity and operational effectiveness of this important water management facility.

Year Completed

1964

Dam Length

825

Dam Height

43

River Or Stream

TR-SALLISAW CREEK

Primary Dam Type

Earth

Surface Area

7

Hydraulic Height

43

Nid Storage

574

Structural Height

43

Outlet Gates

Valve - 1

Hazard Potential

Low

Foundations

Soil

Nid Height

43
       
Seasonal Comparison

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Dam Data Reference

Condition Assessment

Satisfactory
No 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

High
Dams 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.