Alberta's River Basins

Hay River Basin Peace/Slave River Basin Athabasca River Basin Beaver River Basin North Saskatchewan River Basin Milk River Basin Oldman River Sub Basin Bow River Sub Basin Red Deer River Sub Basin South Saskatchewan River Sub Basin

Alberta's Seven Main River Basins

NOTICE: Please visit NEW Alberta’s River Basins website.
This website will be removed in the fall of 2016.

Alberta Rivers app icon   Data and advisories now also available through the Alberta Rivers app for iOS and Android.

Data content on the Alberta Basins website has changed. Data is higher-resolution (with values every 15 minutes where available), more current, and is displayed in current time (daylight or standard, depending on the season).

  1. First select a Water Basin by either clicking the water basin on the map OR by selecting the water basin from this list. Then go to #2. to select the type information want to see for the selected water basin.

  2. Next, after the water basin has been selected, select the type of information you want to see. Then click View Result.

    The South Saskatchewan River Basin includes the sub-basins of the Bow, Red Deer, Oldman and South Saskatchewan river basins. All of the basins begin in the Rocky Mountains, generally flowing eastward through foothills and prairie. The combined watershed of the basins is 121,095 km2, of which 41% is from the Red Deer sub-basin, 22% to the Oldman, 21% to the Bow and 16% to the South Saskatchewan. Major urban centres in the basin include Calgary, Lethbridge, Red Deer and Medicine Hat. All of the province's thirteen irrigation districts are found within the South Saskatchewan River Basin. The mean annual discharge from the basin into Saskatchewan is 9,280,000 dam3.

Partner sites containing Real-time and Archived Hydrometric and Meteorogical Data for rivers in Alberta and Canada:
Water Survey of Canada: Real-time Hydrometric Data
Meteorlogical Services of Canada (MSC): Climate Data
AgroClimatic Information Service (ACIS): Current Weather Conditions, Climate Data, Climate Maps
Sustainable Resource Development (SRD) Wildfire Status

Updated: May 16, 2014

For technical enquires about this web page please contact Alberta Environment - Environmental Management Water Management Operations Branch at