No, its not a cottonmouth.
Non venomous snake of some sort, perhaps the 'Northern Water Snake', or a subspecies of it.
The eyes of the venomous vipers are distinct vertical slits, as opposed to round pupils as seen on your snake pic.
Non venomous snake of some sort, perhaps the 'Northern Water Snake', or a subspecies of it.
The eyes of the venomous vipers are distinct vertical slits, as opposed to round pupils as seen on your snake pic.