Water Supply Outlook for Alberta

May 2013

Water Supply Forecast as of May 1, 2013 - Milk River Basin (Natural Flows)

Volume Forecast for March 1 to September 30, 2013
Locations Volume
in dam3
Volume as a % of Median Probable Range as a % of Median Potential Minimum as % of Median Forecast Ranking (lowest to highest) Recorded March-September 2012
Volume as a
% of Median
Milk River at
Western Crossing
40,600 101 82-140 66 32/98 129
Milk River
at Milk River
58,200 85 68-123 53 28/98 122
Milk River at
Eastern Crossing
73,300 73 59-88 46 24/98 97


Median is calculated for the March 1 to September 30 period from 1981 to 2008

NOTE: There is: a 50% chance that the actual natural flow will fall within the probable range given and a 25% chance that the actual flow will be less than the lower bound of the probable range given. 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