Water Supply Outlook for Alberta

October 2003

Table 4 - Recorded March 1 to September 30, 2003 Natural Runoff Volumes - Bow River Basin (Natural Flows)

2003 Recorded Volumes
March 1 to September 30
2003 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 902,000* 84 13/85 4.8%
Lake Minnewanka Inflow 175,000* 93 36/85 15.4%
Spray River near Banff 308,000* 84 17/85 4.3%
Kananaskis River 330,000* 80 12/85 4.7%
Bow River at Calgary 1,987,000* 81 17/85 5.2%
Elbow River 163,000* 74 24/85 5.4%
Highwood River 458,000* 72 27/85 7.8%

Note: Click on the site Location to see the Water Supply Forecast graphically

* - Recorded 2003 natural volumes are preliminary and subject to change

Average and rankings are based on the period 1912 to 1995


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