Haynes Creek-brushy Fork W/s Str. #25

About Haynes Creek-brushy Fork W/s Str. #25

The primary purpose of Haynes Creek-brushy Fork W/s Str. #25 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 Gwinnett County Swcd Gwinnett County Board Of Commissioners (state). It impounds the Big Haynes Creek near Snellville.

The dam stands 35 feet tall and stretches 981 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 467 acre-feet, and collects water from a drainage area of 832 square miles. Completed in 1965, 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. An emergency action plan is in place for this dam. The most recent inspection on record was 02/04/2020.

At 35 feet, this dam is taller than 82% of dams nationwide.

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 Georgia dam safety program can provide more specific information about emergency planning for this structure.

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