Water Supply Outlook for Alberta

August 2015

Water Supply Forecast as of August 1, 2015 - Milk River Basin (Natural Flows)

Volume Forecast for August 1 to September 30, 2015 Year to date
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-July 2015 Volume as a % of Median Ranking (lowest to highest)
Milk River at
Western Crossing
388* 27 0-139 0 22/98 80** 27/98
Milk River
at Milk River
951* 19 0-74 0 3/98 40** 11/98
Milk River at
Eastern Crossing
910* 13 0-62 0 1/98 33** 5/98

* NOTE: The forecast shown is the March to September 2015 forecast minus the recorded volume to date

** Recorded 2015 natural volumes are preliminary and subject to change

Median is calculated for period 1981 to 2008

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