Water Supply Outlook for Alberta

November 2017

Recorded March 1 to September 30, 2017 Natural Runoff Volumes - Bow River Basin (Natural Flows)

2017 Recorded Volumes
March 1 to September 30
2017 Forecast Volumes
Locations Volume in dam3 Volume as a
% of Average
Ranking (lowest to highest) Average difference between Forecast and Recorded natural volumes
Bow River at Banff 1,168,000* 116 74/99 10%
Lake Minnewanka Inflow 178,000* 101 44/99 8%
Spray River near Banff 330,000* 92 34/99 13%
Kananaskis River 362,000* 95 32/99 7%
Bow River at Calgary 2,393,000* 104 50/99 8%
Elbow River 170,000* 84 31/99 12%
Highwood River 454,000* 82 32/99 13%

* - Recorded 2017 natural volumes are preliminary and subject to change

Average and rankings are based on the period 1981 to 2009


For technical enquires about this web page please contact Alberta Environment - Environmental Management Water Management Operations Branch at AENV-WebWS@gov.ab.ca