NCC Stream Classification v2.0

This dataset contains the second version of the Stream Classification for the Northern Appalachian-Acadian Region of Canada. Freshwater ecosystems are classified based on five biophysical characteristics: size, gradient, alkalinity, temperature, and tidal influence....

NCC Canadian Hydrologic Units

This dataset contains the Canadian Hydrographic Units for the Northern Appalachian-Acadian Region of Canada and cross-border watersheds with the United States.

Ontario GeoHub

This database provides data sets on topics including plants and animals, water, geology and agriculture. There are also featured mapping applications including a flow assessment tool for Ontario’s watersheds and provincial stream water quality monitoring.