Water Supply Outlook for Alberta

August 2015

Water Supply Forecast as of August 1, 2015 - North Saskatchewan River Basin (Natural Flows)

Volume Forecast for August 1 to September 30, 2015 Year to date
Locations Volume in dam3 Volume as a % of Average Probable Range as a % of Average Potential Minimum
as % of
Average 		Forecast Ranking (lowest to highest) Recorded March-July 2015 Volume as a % of Average Ranking (lowest to highest)
Lake Abraham Inflow 632,000* 87 78-95 70 25/100 106** 57/100
Brazeau Reservoir Inflow 344,000* 83 64-108 46 22/100 64** 10/100
North Saskatchewan River at Edmonton 1,352,000* 86 77-95 68 22/100 79** 17/100

*NOTE: The forecast shown is the March to September 2015 forecast minus the recorded volume to date

 
** Recorded 2015 natural flows are preliminary and subject to change

Average is calculated for the March 1 to September 30 period 1981 to 2010

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