Water Supply Outlook for Alberta

May 2017

Water Supply Forecast as of May 1, 2017 - Milk River Basin (Natural Flows)

Volume Forecast for May 1 to September 30, 2017 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-April 2017 Volume as a % of Median Ranking (lowest to highest)
Milk River at
Western Crossing
39,300 169 81-123 65 60/98 332* 91/98
Milk River
at Milk River
53,300 157 124-235 94 54/98 195* 65/98
Milk River at
Eastern Crossing
72,300 134 108-161 83 59/98 175* 45/98

* Recorded 2017 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