Georgia Code Title 52. Waters of the State, Ports, and Watercraft § 52-6-40

Any witness summoned pursuant to Code Section 52-6-39, whose testimony shall appear to be material and who shall fail to appear, may be attached by the commissioners. The attachment may be directed to a sheriff or constable and made returnable to the next superior court of the county; and the court may fine the witnesses in a sum not exceeding $100.00, unless a good excuse is made to the judge of the court. The witness shall also be liable to action at the action of the party injured by the nonattendance.