Colleton County officials say the McGrady Dam has the potential to fail and urged residents in the surrounding area to evacuate as a precaution.
The McGrady Dam is near the intersection of Cane Branch Rd and Cavanaugh Rd.
Colleton County Fire Rescue officials said in an update Tuesday the dam is currently holding, but there is substantial flooding in the area of the dam and creek which resulted in Edward Road and Cavanaugh Road being closed by SCDOT.
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The opposite end of Edward Road suffered substantial damage and will be closed for an extended time.