Water Supply Outlook for Alberta

October 2006

Table 3 - Recorded March 1 to September 30, 2006 Natural Runoff Volumes - Oldman River Basin (Natural Flows)

2006 Recorded Volumes
March 1 to September 30 		2006 Forecast Volumes
Locations Volume in dam3 Volume as a
% of Average 		Ranking (lowest to highest) Average difference between Forecast and Recorded natural volumes
St. Mary River 708,000** 95 39/91 2.3%
Belly River 230,000* 94 35/91 2.1%
Waterton River 565,000* 93 38/91 6.5%
Oldman River near Brocket 900,000* 83 30/91 11.3%
Oldman River at Lethbridge 2,669,000* 89 40/91 2.7%

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

* - Recorded 2006 natural volumes are preliminary and subject to change
** - This value is the natural volume and includes the U.S. share

Average and rankings are based on the period 1912 to 2001

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