Water Supply Outlook for Alberta

November 2011

Recorded March 1 to September 30, 2011 Natural Runoff Volumes - North Saskatchewan River Basin (Natural Flows)

2011 Recorded Volumes
March 1 to September 30 		2011 Forecast Volumes
Locations Volume in dam3 Volume as a
% of Average 		Ranking (lowest to highest) Average difference between Forecast and Recorded natural volumes
Lake Abraham Inflow 2,081,000** 97 13/30 0%
Brazeau Reservoir Inflow 1,712,000*** 119 32/41 10%
North Saskatchewan River
at Edmonton 		6,778,000* 116 72/91 10%

* - Recorded 2011 natural volumes are preliminary and subject to change
** Lake Abraham is compared to 30 years of data
*** Brazeau Reservoir is compared to 41 years of data

Average and rankings are based on the period 1912 to 2001

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