Water Supply Outlook for Alberta

April 2007

Table 6a - Water Supply Forecast as of April 1, 2007 - Red Deer River Basin (Natural Flows)

Volume Forecast for March 1 to September 30, 2007
Locations Volume in dam3 Volume as a % of Average Probable Range as a % of Average Reasonable Minimum as % of Average Forecast Ranking (lowest to highest) Recorded March-September 2006 Volume as a % of Average
Red Deer River
at Dickson Dam
1,055,000 113 91-143 77 66/91 74
Red Deer River
at Red Deer
1,433,000 110 81-143 68 61/91 73
Note: Click on the site Location to see the Water Supply Forecast graphically


Average is calculated for the March 1 to September 30 period from 1912 to 2001

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.

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