Scs-sallisaw Creek Site-28

About Scs-sallisaw Creek Site-28

The primary purpose of Scs-sallisaw Creek Site-28 is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Sequoyah Co Cons Dist (state). It impounds the Tr-sallisaw Creek near Marble City.

The dam stands 89 feet tall and stretches 890 feet across, creates a reservoir covering 24 acres, has a maximum storage capacity of 5,015 acre-feet, and collects water from a drainage area of 10 square miles. Completed in 1964, the structure is well into its service life at over 50 years old.

This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 12/20/2011. That was 14 years ago — unusually long for a high-hazard dam, which typically requires more frequent inspections.

At 89 feet, this dam is taller than 97% of all dams in the United States.

Living Downstream

If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Oklahoma dam safety program can provide more specific information about emergency planning for this structure.

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