Crews responded to a possible drowning in Thompson Sunday night.
The incident occurred around 6:30 p.m. on Quaddick Town Farm Road.
The man was pulled from the water and crews performed CPR, according to troopers.
The man, who is in his late 20s, is being transported to the hospital, troopers said.
It is unknown how long the man was under water or if he was injured.
