Scs-Sallisaw Creek Site-30 Reservoir Report

Last Updated: December 5, 2025

SCS-Sallisaw Creek Site-30, located in Brushy, Oklahoma, is a state-regulated earth dam constructed in 1963 by the USDA NRCS.


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Summary

This dam, designed for flood risk reduction on Brushy Creek, stands at a height of 57 feet and has a length of 1800 feet. With a storage capacity of 3281 acre-feet, it serves as a crucial structure in managing water resources in Sequoyah County.

Despite its fair condition assessment and high hazard potential, SCS-Sallisaw Creek Site-30 has not been modified in recent years and is inspected annually to ensure its structural integrity. The dam features a controlled spillway and a single valve outlet gate for water release. In case of emergencies, it is essential for the dam operators to have an updated emergency action plan and contacts to mitigate risks effectively.

Markwayne Mullin (R) represents this district in Oklahoma and plays a role in overseeing the operation and maintenance of the dam. With a very high risk assessment rating, it is crucial for the state regulatory agency (OWRB) to enforce inspection, maintenance, and risk management measures to ensure the safety of surrounding communities and water resources. Overall, SCS-Sallisaw Creek Site-30 plays a vital role in flood risk reduction and water management efforts in the region.

Year Completed

1963

Dam Length

1800

Dam Height

57

River Or Stream

BRUSHY CREEK

Primary Dam Type

Earth

Surface Area

30

Hydraulic Height

57

Nid Storage

3281

Structural Height

57

Outlet Gates

Valve - 1

Hazard Potential

High

Foundations

Soil

Nid Height

57
       
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.