Water Supply Outlook for Alberta

June 2016

Water Supply Forecast as of June 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 983,000 97 94-102 91 35/99 89
Lake Minnewanka Inflow 141,000 80 71-91 64 16/99 70
Spray River near Banff 353,000 98 92-104 87 41/99 68
Kananaskis River 390,000 102 96-111 91 44/99 80
Bow River at Calgary 2,157,000 94 90-97 87 31/99 81
Elbow River 162,000 80 71-98 62 27/99 83
Highwood River 395,000 71 54-97 39 19/99 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