Water Supply Outlook for Alberta

April 2014

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

Volume Forecast for April 1 to September 30, 2014 Year to date
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 2014 Volume as a % of Average Ranking (lowest to highest)
Bow River at Banff 1,010,000* 102 98-107 95 45/99 117** 95/99
Lake Minnewanka Inflow 178,000* 104 93-120 84 50/99 110** 75/99
Spray River near Banff 381,000* 109 102-116 95 62/99 89** 45/99
Kananaskis River 407,000* 110 100-121 97 55/99 114** 85/99
Bow River at Calgary 2,379,000* 107 101-112 97 55/99 114** 85/99
Elbow River 195,000* 101 88-124 76 57/99 162** 98/99
Highwood River 536,000* 100 87-114 75 47/99 137** 79/99

*NOTE: The forecast shown is the March to September 2014 forecast minus the recorded volume to date

** - Recorded 2014 natural volumes are preliminary and subject to change

Average is calculated for the March to September 30 period from 1981-2009

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 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