Ottawa River drainage basin
The Ottawa River drainage basin is the drainage basin in northern North America where surface water empties into the Ottawa River and adjoining waters. Spanning an area of about , it is the 12th largest drainage basin in Canada, occupying the Canadian provinces of Ontario and Quebec. It accounts for about 11% of the total Saint Lawrence River drainage area.
Okanagan Basin
The Canadian Environmental Grantmakers’ Network considers the Okanagan Basin to be the most arid watershed in Canada, with an urgent need for effective water management. The Okanagan Basin Water Board was established more than 35 years ago, to provide leadership on regional water issues, taking a basin-wide perspective and seeking collaborative solutions.