Hudson Bay watershed

The Hudson Bay watershed is the largest ocean watershed in Canada (3.8 million km2) and extends over five Canadian provinces from Alberta to Quebec, and also over the Northwest Territories and Nunavut. Amongst the major streams, we find the Nelson, Saskatchewan and Churchill rivers (in Manitoba), and also Lake Winnipeg, Lake Manitoba and Lake of the Woods. The major cities are Edmonton, Calgary, Saskatoon, Regina and Winnipeg.

The Gulf of Mexico watershed occupies in Canada a small portion of southern Alberta and Saskatchewan. The waters drain south into the Mississippi system, which ultimately drains into the Gulf of Mexico. 

• **Status and Trends of the Water Quality in the Hudson Bay Watershed**
• Lake Winnipeg Achievements (2011)
• State of Lake Winnipeg: 1999 to 2007 - Highlights (2011)
• Lake Winnipeg Basin Initiative Science Projects and Activities (2011)
• Progress Report on the Lake Winnipeg Basin Initiative 2008/09-2009/10 2010