This is an interesting search. Next time, lowangleAl, if you could please pick it up and get close ups of the mouth, the head, mouth open and closed, and a close up of the pattern from the top and sides.
From looking at a lot of photos, I can see why Mason thinks it’s a water snake. Some of the photos of water snakes do have a slightly widened jaw, vs one as smooth and cylindrical as a coral snake for example. According to one source water snakes try to push out the jaw so they better resemble a venomous snake.
The water snake has a pointed nose, while the copperhead has a “plow nose.” As seen from the top, the water snakes eyes are visible. A copperhead’s eyes are not visible from the top.
Both have keeled scales.
Finally, the banded water snake has verticle dark bands which extend over the upper and lower lips, like this;
Copperhead with no bands over the lips.
Glenn, if you google through a bunch of images of copperheads, you’ll see the color and shape of the markings vary. There’s a discussion of it here:
Copperheads
Here are concise pointers on the difference between copperheads and water snakes.
Difference
This has really forced me to do some research and thinking on the topic. Thanks, Caledonia for starting this thread.