• 25-year-anniversary-iwi-english

    Learn more about the International Watersheds Initiative (IWI)

  • LCRR basin - water depths scenarios screenshot

    IJC Publishes Data Products, Tools and Models Produced by Lake Champlain-Richelieu River Flood Study

    The International Joint Commission (IJC) is announcing that the data mapping products, tools and models that resulted from the International Lake Champlain-Richelieu River Study Board (Board) study are now publicly available.

  • IWI 25th anniversary red river

    International Watersheds Initiative Turns 25, Great Lakes Day and More

    Welcome back to our Shared Waters newsletter, covering activities in the Canada-United States transboundary region, including the Great Lakes.

What's New

Transboundary Watersheds

Select a watershed (basin) within the map below to learn more about the IJC’s water-related activities.

Shared Waters

Read IJC’s newsletter to stay current on how Canada and the United States are working together to manage the health and flow of the waters shared by our two countries. Don’t just go with the flow, get with the flow!