Where to see a Common Watersnake in the US
State parks in counties where the Common Watersnake is observed, by state (research-grade iNaturalist records; live sighting data on every park page):
- New York — 208 parks
- Massachusetts — 156 parks
- Pennsylvania — 142 parks
- Connecticut — 118 parks
- Missouri — 111 parks
- Michigan — 106 parks
- Ohio — 105 parks
- New Hampshire — 97 parks
- Iowa — 86 parks
- Illinois — 85 parks
- Maryland — 72 parks
- Indiana — 63 parks
- Tennessee — 62 parks
- New Jersey — 60 parks
- Vermont — 57 parks
- Virginia — 53 parks
- Wisconsin — 53 parks
- Kentucky — 48 parks
- Rhode Island — 47 parks
- West Virginia — 45 parks
- Kansas — 44 parks
- North Carolina — 42 parks
- Oklahoma — 38 parks
- Georgia — 36 parks
- Maine — 32 parks
- South Carolina — 31 parks
- Arkansas — 29 parks
- Alabama — 28 parks
- Delaware — 25 parks
- Nebraska — 25 parks
- Minnesota — 24 parks
- Mississippi — 11 parks
- Colorado — 10 parks
- Florida — 8 parks
- California — 6 parks
- Louisiana — 3 parks