Ontario records
Common Watersnake in Ontario
HarmlessNerodia sipedon
Yes. The Common Watersnake has been recorded in 46 Ontario counties. It is non-venomous (harmless). Heavy banded or blotched body, round pupils, and a narrow head — unlike the cottonmouth's broad, blocky head.
Ontario counties with Common Watersnake records
46 listed- Frontenac
- Parry Sound
- Lake Hurron
- Ottawa
- Lanark
- Leeds and Grenville
- Muskoka
- Bruce
- Essex
- Lennox and Addington
- Manitoulin
- Hastings
- Lake Erie
- Peterborough
- Lake Ontario
- Kawartha Lakes
- Simcoe
- Halton
- Haliburton
- Haldimand-Norfolk
- Hamilton
- Nipissing
- Waterloo
- Greater Sudbury
- Niagara
- Renfrew
- Lambton
- Sudbury
- Wellington
- Chatham-Kent
- Grey
- Prince Edward
- Peel
- Northumberland
- Algoma
- Elgin
- Brant
- Toronto
- Durham
- Oxford
- Huron
- York
- Middlesex
- Cochrane
- Thunder Bay
- Stormont, Dundas and Glengarry
See the full Common Watersnake profile or all snakes in Ontario.