Water Supply Outlook for Alberta

November 2014

Recorded March 1 to September 30, 2014 Natural Runoff Volumes - Oldman River Basin (Natural Flows)

2014 Recorded Volumes
March 1 to September 30 		2014 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 979,000** 146 86/99 28%
Belly River 299,000* 129 84/99 17%
Waterton River 751,000* 137 83/99 23%
Oldman River near Brocket 1,528,000* 155 86/99 33%
Oldman River at Lethbridge 4,149,000* 147 87/99 28%

* - Recorded 2014 natural volumes are preliminary and subject to change
** - This value is the natural volume and includes the U.S. share

Average is based on the period 1981 to 2009

Ranking is based on the period 1912 to 2009

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