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Original Data
Note: This data has been replaced by the Ontario Watershed Boundaries (OWB). We are no longer updating this data. …
Similar Data
This collection represents the authoritative watershed boundaries for Ontario. The data is based on a framework similar to the Atlas …
Data includes: * The Lake Superior watershed * The Lake Huron watershed * The Lake Erie watershed * The Lake …
The Ontario Watershed Information Tool (OWIT) is used to calculate information about Ontario’s watersheds. Watersheds are areas of land where …
This boundary is used in the management of watershed-based planning by the Lake Simcoe Region Conservation Authority (LSRCA). It is …
Watershed polygons are a graphical representation of watershed boundaries as defined in the Clean Water Act - Watershed Protected Area …