RedactedNarrative: On 06-27-21, at 1759 hours, AST and Mat-Su Borough Fire & EMS responded to a drowning at the Cottonwood Lake boat launch.  Once on scene AST located the deceased in the water and attached to a small boat by the anchor rope.  Preliminary investigation shows the operator was manipulating the anchor to the 12-16 foot boat and fell overboard and was unable to self rescue.  The deceased was not wearing a life jacket at the time of the incident