Moore did not say what sparked the disturbance.
"The circumstances surrounding the disturbance are under investigation and charges may be pursued against those responsible," Moore said.
She said normal operations have resumed at the facility.
Earlier this month, a teenage murder suspect escaped from the facility but was recaptured a day later.
Dwayne McCloud, 16, was reported missing when he failed to show up for roll call at around 5:30 p.m. on May 14. The facility was locked down, but McCloud was not inside.
The teenager, who is accused along with two others of killing a 78-year-old Savannah man during an armed robbery, was found around 12:30 p.m. on May 15. McCloud allegedly served as the lookout during the January robbery.
Staff writer Kristi E. Swartz contributed to this article.