Water Supply Outlook for Alberta

April 2014

Water Supply Forecast as of April 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 1,035,000 103 99-107 95 45/99 N/A
Lake Minnewanka Inflow 186,000 105 94-119 85 51/99 N/A
Spray River near Banff 391,000 108 101-116 95 61/99 N/A
Kananaskis River 425,000 111 102-122 94 59/99 N/A
Bow River at Calgary 2,465,000 107 102-112 97 56/99 N/A
Elbow River 209,000 106 94-130 83 60/99 N/A
Highwood River 560,000 101 84-117 69 44/99 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