State Police are investigating an accidental drowning on Delta Lake near Route 46 in the Town of Western.

Police say 55-year old Maryellen Hall of Rome was swimming in the Delta Reservoir on Sunday with family members when she became distressed in the water.

Family members tried to assist her back to the boat, but were unsuccessful.

Troopers say a passing boater was able to help with getting Hall into the boat and began CPR.

Hall was pronounced dead  at Rome Memorial Hospital.