Water Supply Outlook for Alberta

August 2014

Water Supply Forecast as of August 1, 2014 - Bow River Basin (Natural Flows)

Volume Forecast for March 1 to September 30, 2014
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 2013 Volume as a % of Average
Bow River at Banff 1,024,000 101 99-104 97 44/99 N/A
Lake Minnewanka Inflow 190,000 107 100-111 101 55/99 N/A
Spray River near Banff 340,000 94 91-98 89 35/99 N/A
Kananaskis River 432,000 113 111-116 108 61/99 N/A
Bow River at Calgary 2,675,000 116 114-117 113 73/99 N/A
Elbow River 276,000 136 134-142 132 78/99 N/A
Highwood River 861,000 155 149-161 144 81/99 N/A


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