Eschenbrenner said the gator had been kept illegally as a pet for 10 years.
"The animal's probably never swam before," Eschenbrenner told KOB. "Seeing him take off, he was a little clumsy, but he got better, you know, relatively soon after that.
"He goes right to the bottom when he sees people. (It's) been pretty traumatic the last couple of days."
Eschenbrenner said he was confident the alligator would adapt well to its new environment.
"The good thing about alligators are they're very resilient, they're very tough," Eschenbrenner told KOB. "I feel in the proper housing, this animal can lead a long and happy life."
The alligator will be put on a diet and likely stay at the park for at least a month, the television station reported.