Oklahoma records
Banded Watersnake in Oklahoma
HarmlessNerodia fasciata

Yes. The Banded Watersnake has been recorded in 8 Oklahoma counties. It is non-venomous (harmless). Heavy banded or blotched body, round pupils, and a narrow head — unlike the cottonmouth's broad, blocky head.
Oklahoma counties with Banded Watersnake records
8 listedSee the full Banded Watersnake profile or all snakes in Oklahoma.