Water Supply Outlook for Alberta

April 2013

Water Supply Forecast as of April 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
39,800 99 77-141 57 30/98 129
Milk River
at Milk River
58,000 85 66-122 50 28/98 122
Milk River at
Eastern Crossing
74,300 74 58-90 44 27/98 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