Water Supply Outlook for Alberta

July 2014

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

Volume Forecast for July 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-June 2014 Volume as a % of Average Ranking (lowest to highest)
Bow River at Banff 514,000* 100 97-106 93 35/99 104** 55/99
Lake Minnewanka Inflow 83,000* 104 101-117 94 51/99 114** 64/99
Spray River near Banff 182,000* 110 102-117 96 63/99 93** 44/99
Kananaskis River 186,000* 102 94-112 88 39/99 124** 77/99
Bow River at Calgary 1,212,000* 105 101-110 96 58/99 127** 85/99
Elbow River 87,000* 101 90-125 79 56/99 121** 67/99
Highwood River 181,000* 104 78-141 55 60/99 174** 87/99

*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