Water Supply Outlook for Alberta

May 2007

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


Volume Forecast for May 1 to September 30, 2007 Year to date
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-April 2007 Volume as a % of Average Ranking (lowest to highest)
Red Deer River
at Dickson Dam
876,000* 105 82-135 75 61/91 216** 90/91
Red Deer River
at Red Deer
1,150,000* 105 78-136 70 60/91 184** 84/91

*NOTE: The forecast shown is the March to September 2007 forecast minus the recorded volume to date

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


** Recorded 2007 natural volumes are preliminary and subject to change

Average is calculated for the period 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.


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