Water Supply Outlook for Alberta

July 2014

Water Supply Forecast as of July 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 1,025,000 102 98-105 94 44/99 N/A
Lake Minnewanka Inflow 194,000 109 104-117 99 55/99 N/A
Spray River near Banff 362,000 100 97-104 94 43/99 N/A
Kananaskis River 434,000 113 110-118 107 62/99 N/A
Bow River at Calgary 2,689,000 117 114-119 112 74/99 N/A
Elbow River 255,000 128 123-138 118 90/99 N/A
Highwood River 846,000 152 137-144 81 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