Indiana records
Diamondback Watersnake in Indiana
HarmlessNerodia rhombifer

Yes. The Diamondback Watersnake has been recorded in 5 Indiana counties. It is non-venomous (harmless). Heavy banded or blotched body, round pupils, and a narrow head — unlike the cottonmouth's broad, blocky head.
Indiana counties with Diamondback Watersnake records
5 listedSee the full Diamondback Watersnake profile or all snakes in Indiana.