Water Supply Outlook for Alberta

February 2006

Table 5 - Water Supply Forecast as of February 1, 2006 - Bow River Basin (Natural Flows)

Volume Forecast for March 1 to September 30, 2006
Locations Volume in dam3 Volume as a % of Average Probable Range as a % of Average Reasonable Minimum
as % of Average 		Forecast Ranking (lowest to highest) Recorded March-September 2005 Volume as a % of Average
Bow River at Banff 987,000 92 83-109 77 29/91 90
Lake Minnewanka Inflow 169,000 91 76-118 70 35/91 129
Spray River near Banff 350,000 96 82-119 76 38/91 107
Kananaskis River 385,000 94 85-120 73 38/91 113
Bow River at Calgary 2,258,000 93 78-114 72 35/91 111
Elbow River 206,000 95 78-139 65 51/91 143
Highwood River 557,000 89 64-131 52 41/91 197
Note: Click on the site Location to see the Water Supply Forecast graphically
 

Average is calculated for the March 1 to September 30 period from 1912 to 2001

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 reasonable 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