Water Supply Outlook for Alberta

August 2016

Water Supply Forecast as of August 1, 2016 - Bow River Basin (Natural Flows)

Volume Forecast for March 1 to September 30, 2016
Locations Volume in dam3 Volume as a % of Average Probable Range as a % of Average Potential Minimum
as % of Average
Forecast Ranking (lowest to highest) Recorded March-September 2015 Volume as a % of Average
Bow River at Banff 873,000 87 84-89 82 11/99 89
Lake Minnewanka Inflow 130,000 73 67-77 66 8/99 70
Spray River near Banff 298,000 83 80-86 76 14/99 68
Kananaskis River 323,000 84 82-87 80 14/99 80
Bow River at Calgary 1,857,000 80 79-82 78 11/99 81
Elbow River 143,000 71 69-76 67 14/99 83
Highwood River 303,000 55 49-61 44 9/99 73


Average is calculated for the March 1 to September 30 period from 1981 to 2009

NOTE: There is: a 50% chance that the actual natural flow will fall within the probable range given; a 25% chance that the actual flow will be less than the lower bound of the probable range given; and a 10% chance that the actual natural flow will be less than the potential minimum. Actual day to day streamflow conditions may vary throughout the season as a result of the effects of streamflow diversion and reservoir storage.


For technical enquires about this web page please contact Alberta Environment - Environmental Management Water Management Operations Branch at AENV-WebWS@gov.ab.ca