The incident took place around 5:30 p.m. Saturday, Sept. 18 in New London County at the Rocky Neck State Park in East Lyme, said Will Healey, of the state Department of Energy and Environmental Protection.
According to Healey, a 19-year-old male was swimming at the beach park when he went underwater and did not resurface.
The teen was from a group home and was pulled from the water by another group home member, Healey said.
It was estimated the teen was underwater for several minutes.
CPR was performed by a Good Samaritan. Additional lifesaving efforts were administered once EMS arrived on the scene.
The victim was transported to Lawrence & Memorial Hospital where he was pronounced dead.
His name is being withheld pending notification of next of kin.
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