Water Supply Outlook for Alberta

November 2016

Recorded March 1 to September 30, 2016 Natural Runoff Volumes - Oldman River Basin (Natural Flows)

2016 Recorded Volumes
March 1 to September 30 		2016 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 560,000** 84 21/99 2%
Belly River 205,000* 88 24/99 4%
Waterton River 491,000* 90 25/99 3%
Oldman River near Brocket 647,000* 66 12/99 15%
Oldman River at Lethbridge 1,855,000* 66 14/99 15%

* - Recorded 2016 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